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# How to how to find eigenvalues in python (Python Programing Language)

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(ROUTING EQUIPMENT TENDER Risk Management, Quality Control, Quality Standards, Business Analysis) From: Austin/United States
1
`import numpy as np`
2
`import matplotlib.pyplot as plt`
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`import scipy.linalg as la`
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## More Questions

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`>>> about = r.html.find('#about', first=True)`
2
`​`

### How to fibonacci python (Python Programing Language)

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`# Implement the fibonacci sequence`
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`    # (0, 1, 1, 2, 3, 5, 8, 13, etc...)`
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`    def fib(n):`
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`        if n== 0 or n== 1:`
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`            return n`
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`        return fib (n- 1) + fib (n- 2) `

### How to closures in python (Python Programing Language)

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`#!/usr/bin/env python`
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`​`
3
`​`
4
`def make_summer():`
5
`​`
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`    data = []`
7
`​`
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`    def summer(val):`
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`​`
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`        data.append(val)`
11
`        _sum = sum(data)`
12
`​`
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`        return _sum`
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`​`
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`    return summer`
16
`​`
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`summer = make_summer()`
18
`​`
19
`s = summer(1)`
20
`print(s)`
21
`​`
22
`s = summer(2)`
23
`print(s)`
24
`​`
25
`s = summer(3)`
26
`print(s)`
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`​`
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`s = summer(4)`
29
`print(s)`
30
`​`

### How to dict .get none replace (Python Programing Language)

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`offers_from_extruct = data_from_extruct.get('offer') or {}`
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`price_from_extruct = offers_from_extruct.get('amount')`

### How to python split into rows (Python Programing Language)

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`Split in Python`

### How to get mouse postition python (Python Programing Language)

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`>>> import pyautogui`
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`>>> pyautogui.position()`

### How to how call module in the same directory (Python Programing Language)

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`from .posts_run import get_all_posts`
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`#    ^ here do relative import`
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`# or`
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`from core.posts_run import get_all_posts`
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`# because your package named 'core' and importing looks in root folder`
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`​`

### How to python: if null give a value if not null concatenate (Python Programing Language)

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`def concat_fields(field1, field2):`
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`    if field1.strip() == " or field2.strip() == ":`
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`        return "`
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`    else:`
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`        return field1 + field2`

### How to height of binary tree (Python Programing Language)

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`# define a Class Tree, to intiate the binary tree`
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`class TreeNode:`
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`    def __init__(self, val):`
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`        self.val = val`
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`        self.left = None`
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`        self.right = None`
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` `
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`def height(root):`
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` `
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`    # Check if the binary tree is empty`
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`    if root is None:`
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`        # If TRUE return 0`
13
`        return 0 `
14
`    # Recursively call height of each node`
15
`    leftAns = height(root.left)`
16
`    rightAns = height(root.right)`
17
` `
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`    # Return max(leftHeight, rightHeight) at each iteration`
19
`    return max(leftAns, rightAns) + 1`
20
` `
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`# Test the algorithm`
22
`root = TreeNode(1)`
23
`root.left = TreeNode(2)`
24
`root.right = TreeNode(3)`
25
`root.left.left = TreeNode(4)`
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` `
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`print("Height of the binary tree is: " + str(height(root)))`
28
`​`

### How to python replace space with underscore (Python Programing Language)

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`mystring.replace( , _)`

### How to python running standard deviation (Python Programing Language)

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`import panda as pd`
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`df = pd.DataFrame(data)`
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`window=5`
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`running_vol=df['x'].rolling(window).std()`

### How to get yesterday date python (Python Programing Language)

1
`>>> from datetime import datetime, timedelta`
2
`>>> datetime.strftime(datetime.now() - timedelta(1), '%Y-%m-%d')`
3
`'2015-05-26'`

### How to pandas count specific value in column (Python Programing Language)

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`(df[education]=='9th').sum()`

### How to django get form id from request (Python Programing Language)

1
`# html`
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`<input type="submit" value="Reply" name ="message_frm">`
3
`​`
4
`# views.py`
5
`if 'message_frm' in request.POST:`
6
`    #do somethings `

### How to sklearn (Python Programing Language)

1
`from sklearn import linear_model`
2
`regr = linear_model.LinearRegression()`
3
`train_x = np.asanyarray(train[['ENGINESIZE']])`
4
`train_y = np.asanyarray(train[['CO2EMISSIONS']])`
5
`regr.fit (train_x, train_y)`
6
`# The coefficients`
7
`print ('Coefficients: ', regr.coef_)`
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`print ('Intercept: ',regr.intercept_)`

### How to pyarmor obfuscate myscript.py (Python Programing Language)

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`pyarmor obfuscate myscript.py`

### How to python bit (Python Programing Language)

1
`# Two's Complement binary for Positive Integers:`
2
`​`
3
`print(int('00100001', 2))`
4
`​`
5
`'''--------------------------------------------------------------------`
6
`​`
7
`The Operators:`
8
`x << y`
9
`Returns x with the bits shifted to the left by y places (and new bits `
10
`on the right-hand-side are zeros). This is the same as multiplying x by `
11
`2**y.`
12
`​`
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`x >> y`
14
`Returns x with the bits shifted to the right by y places. `
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`This is the same as //'ing x by 2**y.`
16
`​`
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`x & y`
18
`Does a "bitwise and". Each bit of the output is 1 if the corresponding `
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`bit of x AND of y is 1, otherwise it's 0.`
20
`​`
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`x | y`
22
`Does a "bitwise or". Each bit of the output is 0 if the corresponding `
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`bit of x AND of y is 0, otherwise it's 1.`
24
`​`
25
`~ x`
26
`Returns the complement of x - the number you get by switching each 1 `
27
`for a 0 and each 0 for a 1. This is the same as -x - 1.`
28
`​`
29
`x ^ y`
30
`Does a "bitwise exclusive or". Each bit of the output is the same as `
31
`the corresponding bit in x if that bit in y is 0, and it's the `
32
`complement of the bit in x if that bit in y is 1.'''`

### How to Deploy Python Application on AWS Lambda (Python Programing Language)

1
`# serverless.ymlservice: serverless-flask# These are the plugins you have installed to support WSGI and pip # requirementsplugins:  - serverless-python-requirements  - serverless-wsgicustom:  wsgi:    # This is the file name and the app name of the application     # Where file name is app.py and Flask app name is app    # ie. app = Flask(__name__)     app: app.app    packRequirements: false  pythonRequirements:    dockerizePip: non-linuxprovider:  name: aws  runtime: python3.6  stage: dev  region: us-east-1functions:  app:    handler: wsgi.handler    events:      - http: ANY /      - http: 'ANY {proxy+}'`

### How to python ssl module is not available (Python Programing Language)

1
`#Reinstall openssl by:`
2
`brew uninstall openssl`
3
`brew install openssl`
4
`​`
5
`#Do the following:`
6
`​`
7
`echo 'export PATH="/usr/local/opt/openssl/bin:\$PATH"' >> ~/.bash_profile`
8
`export LDFLAGS="-L/usr/local/opt/openssl/lib"`
9
`export CPPFLAGS="-I/usr/local/opt/openssl/include"`
10
`​`

### How to make a tuple of any object in python (Python Programing Language)

1
`# tuple repitition works like this `
2
`print(('Hi!',) * 4) # output: ('Hi!', 'Hi!', 'Hi!', 'Hi!')`

### How to rorate array (Python Programing Language)

1
`function rotateArray(A, K) {`
2
`    if (!A.length) return A;`
3
`    let index = -1;`
4
`    while (++index < K) {`
5
`        A.unshift(A.pop());`
6
`    }`
7
`    return A;`
8
`}`
9
`[`
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`    rotateArray([3, 8, 9, 7, 6], 3),`
11
`    rotateArray([0, 0, 0], 1),`
12
`    rotateArray([1, 2, 3, 4], 4),`
13
`    rotateArray([], 4),`
14
`].join(' | ');`

### How to linked list python module (Python Programing Language)

1
`pip install llist`

### How to ignore cache pip (Python Programing Language)

1
`# Add --no-cache-dir before install`
2
`pip --no-cache-dir install scipy`
3
`​`

### How to check if dataframe contains infinity (Python Programing Language)

1
`df.replace([np.inf, -np.inf], np.nan).dropna(subset=[col1, col2], how=all)`

### How to how to take first digit of number python (Python Programing Language)

1
`import math`
2
`def first_n_digits(num, n):`
3
`    return num // 10 ** (int(math.log(num, 10)) - n + 1)`

### How to how to make a list in python (Python Programing Language)

1
`# empty list`
2
`my_list = []`
3
`​`
4
`# list of integers`
5
`my_list = [1, 2, 3]`
6
`​`
7
`# list with mixed data types`
8
`my_list = [1, "Hello", 3.4]`

### How to pandas.duplicated (Python Programing Language)

1
`>>> df.duplicated(subset=['brand'])`
2
`0    False`
3
`1     True`
4
`2    False`
5
`3     True`
6
`4     True`
7
`dtype: bool`

### How to zbarge / s3gui (Python Programing Language)

1
`import s3gui`
2
`s3gui.main()`

### How to python print float format (Python Programing Language)

1
`3.141593`

### How to internet speed test. (Python Programing Language)

1
`print('Internet Works')`

### How to neural networks classification python (Python Programing Language)

1
`# first neural network with keras tutorial`
2
`from numpy import loadtxt`
3
`from keras.models import Sequential`
4
`from keras.layers import Dense`
5
`# load the dataset`
6
`dataset = loadtxt('pima-indians-diabetes.csv', delimiter=',')`
7
`# split into input (X) and output (y) variables`
8
`X = dataset[:,0:8]`
9
`y = dataset[:,8]`
10
`# define the keras model`
11
`model = Sequential()`
12
`model.add(Dense(12, input_dim=8, activation='relu'))`
13
`model.add(Dense(8, activation='relu'))`
14
`model.add(Dense(1, activation='sigmoid'))`
15
`# compile the keras model`
16
`model.compile(loss='binary_crossentropy', optimizer='adam', metrics=['accuracy'])`
17
`# fit the keras model on the dataset`
18
`model.fit(X, y, epochs=150, batch_size=10)`
19
`# evaluate the keras model`
20
`_, accuracy = model.evaluate(X, y)`
21
`print('Accuracy: %.2f' % (accuracy*100))`
22
`​`

### How to pandas get value not equal to (Python Programing Language)

1
`df[~df['column_name'].isin(['value_1', 'value_2'])] `

### How to get() python (Python Programing Language)

1
`# The get() method on dicts`
2
`# and its "default" argument`
3
`​`
4
`name_for_userid = {`
5
`    382: "Alice",`
6
`    590: "Bob",`
7
`    951: "Dilbert",`
8
`}`
9
`​`
10
`def greeting(userid):`
11
`    return "Hi %s!" % name_for_userid.get(userid, "there")`
12
`​`
13
`>>> greeting(382)`
14
`"Hi Alice!"`
15
`​`
16
`>>> greeting(333333)`
17
`"Hi there!"`
18
`​`
19
`'''When "get()" is called it checks if the given key exists in the dict.`
20
`​`
21
`If it does exist, the value for that key is returned.`
22
`​`
23
`If it does not exist then the value of the default argument is returned instead.`
24
`'''`
25
`# transferred by @ebdeuslave`
26
`# From Dan Bader - realpython.com`

### How to java vs python (Python Programing Language)

1
`// Both languages are great for beginners. However, they have their`
2
`// differences. Java is an object-oriented programming language,`
3
`// whereas Python is often considered to be a scripting language.`

### How to traversing a tree in python (Python Programing Language)

1
`"Inorder Traversing"`
2
`def inorder_traversing(self, root):`
3
`  res = []`
4
`  if root:`
5
`    res = self.inorder_traversing(root.left)`
6
`    res.append(root.data)`
7
`    res = res + inorder_traversing(root.right)`
8
`   return res`

### How to how to compare the two key from constant value to list of string in python (Python Programing Language)

1
`['h', 'e', 'l', 'l', 'o']`

### How to How to play music without pygame (Python Programing Language)

1
`from playsound import playsound`
2
`playsound('audio.mp3')`
3
`#Hope it helps :)`

### How to pygame tick time (Python Programing Language)

1
`clock = pygame.time.Clock()`
2
`clock.tick(40)`
3
`# no more than 40 frames per second`

### How to change a decimal to time in datetime python (Python Programing Language)

1
`time = 72.345`
2
`hours = int(time)`
3
`minutes = (time*60) % 60`
4
`seconds = (time*3600) % 60`
5
`print(%d:%02d.%02d % (hours, minutes, seconds))`
6
`>> 72:20:42`

### How to créer un dict python avec une liste (Python Programing Language)

1
`print(hello wordl)`

### How to pip in vscode linux (Python Programing Language)

1
`# Don't use with Anaconda distributions because they include matplotlib already.`
2
`​`
3
`# macOS`
4
`python3 -m pip install matplotlib`
5
`​`
6
`# Windows (may require elevation)`
7
`python -m pip install matplotlib`
8
`​`
9
`# Linux (Debian)`
10
`apt-get install python3-tk`
11
`python3 -m pip install matplotlib`

### How to wxpython custom dialog (Python Programing Language)

1
`#!/usr/bin/env python`
2
`​`
3
`'''`
4
`ZetCode wxPython tutorial`
5
`​`
6
`In this code example, we create a`
7
`custom dialog.`
8
`​`
9
`author: Jan Bodnar`
10
`website: www.zetcode.com`
11
`last modified: July 2020`
12
`'''`
13
`​`
14
`import wx`
15
`​`
16
`class ChangeDepthDialog(wx.Dialog):`
17
`​`
18
`    def __init__(self, *args, **kw):`
19
`        super(ChangeDepthDialog, self).__init__(*args, **kw)`
20
`​`
21
`        self.InitUI()`
22
`        self.SetSize((250, 200))`
23
`        self.SetTitle("Change Color Depth")`
24
`​`
25
`​`
26
`    def InitUI(self):`
27
`​`
28
`        pnl = wx.Panel(self)`
29
`        vbox = wx.BoxSizer(wx.VERTICAL)`
30
`​`
31
`        sb = wx.StaticBox(pnl, label='Colors')`
32
`        sbs = wx.StaticBoxSizer(sb, orient=wx.VERTICAL)`
33
`        sbs.Add(wx.RadioButton(pnl, label='256 Colors',`
34
`            style=wx.RB_GROUP))`
35
`        sbs.Add(wx.RadioButton(pnl, label='16 Colors'))`
36
`        sbs.Add(wx.RadioButton(pnl, label='2 Colors'))`
37
`​`
38
`        hbox1 = wx.BoxSizer(wx.HORIZONTAL)`
39
`        hbox1.Add(wx.RadioButton(pnl, label='Custom'))`
40
`        hbox1.Add(wx.TextCtrl(pnl), flag=wx.LEFT, border=5)`
41
`        sbs.Add(hbox1)`
42
`​`
43
`        pnl.SetSizer(sbs)`
44
`​`
45
`        hbox2 = wx.BoxSizer(wx.HORIZONTAL)`
46
`        okButton = wx.Button(self, label='Ok')`
47
`        closeButton = wx.Button(self, label='Close')`
48
`        hbox2.Add(okButton)`
49
`        hbox2.Add(closeButton, flag=wx.LEFT, border=5)`
50
`​`
51
`        vbox.Add(pnl, proportion=1,`
52
`            flag=wx.ALL|wx.EXPAND, border=5)`
53
`        vbox.Add(hbox2, flag=wx.ALIGN_CENTER|wx.TOP|wx.BOTTOM, border=10)`
54
`​`
55
`        self.SetSizer(vbox)`
56
`​`
57
`        okButton.Bind(wx.EVT_BUTTON, self.OnClose)`
58
`        closeButton.Bind(wx.EVT_BUTTON, self.OnClose)`
59
`​`
60
`​`
61
`    def OnClose(self, e):`
62
`​`
63
`        self.Destroy()`
64
`​`
65
`​`
66
`class Example(wx.Frame):`
67
`​`
68
`    def __init__(self, *args, **kw):`
69
`        super(Example, self).__init__(*args, **kw)`
70
`​`
71
`        self.InitUI()`
72
`​`
73
`​`
74
`    def InitUI(self):`
75
`​`
76
`        tb = self.CreateToolBar()`
77
`        tb.AddTool(toolId=wx.ID_ANY, label='', bitmap=wx.Bitmap('color.png'))`
78
`​`
79
`        tb.Realize()`
80
`​`
81
`        tb.Bind(wx.EVT_TOOL, self.OnChangeDepth)`
82
`​`
83
`        self.SetSize((350, 250))`
84
`        self.SetTitle('Custom dialog')`
85
`        self.Centre()`
86
`​`
87
`    def OnChangeDepth(self, e):`
88
`​`
89
`        cdDialog = ChangeDepthDialog(None,`
90
`            title='Change Color Depth')`
91
`        cdDialog.ShowModal()`
92
`        cdDialog.Destroy()`
93
`​`
94
`​`
95
`def main():`
96
`​`
97
`    app = wx.App()`
98
`    ex = Example(None)`
99
`    ex.Show()`
100
`    app.MainLoop()`
101
`​`
102
`​`
103
`if __name__ == '__main__':`
104
`    main()`
105
`​`

### How to python interpreter pip (Python Programing Language)

1
`# context=ssl._create_unverified_context()`
2
`conn = http.client.HTTPSConnection("api/hostname.ca", context=ssl._create_unverified_context())`
3
`httplib.HTTPSConnection(hostname, timeout=5, context=ssl._create_unverified_context())`
4
`​`

### How to networkx remove nodes with degree (Python Programing Language)

1
`import networkx`
2
`G1 = networkx.Graph()`
3
`G1.add_edges_from([('a','b'),('b','c'),('c','e'),('c','d'),('c','f'),('c','g')])`
4
`to_be_removed = [x for  x in G1.nodes() if G1.degree(x) <= 1]`
5
`for x in to_be_removed:`
6
`    G1.remove_node(x)`
7
`print(G1.edges())`

### How to python convert string to integer in base (Python Programing Language)

1
`int(x, base=10)`
2
`>>> int('s',base=29)`
3
`28`

### How to inicair venv python (Python Programing Language)

1
`python3 -m venv venv`
2
`source venv/bin/activate`
3
`pip freeze > requirements.txt`

### How to python sort isdigit (Python Programing Language)

1
`>>> ''.join(filter(str.isdigit, 'image101.jpg'))`
2
`'101'`
3
`>>> int(''.join(filter(str.isdigit, 'image101.jpg')))`
4
`101`

### How to how to create enter pressed for qlineedit in pyqt5 (Python Programing Language)

1
`self.field.returnPressed.connect(self.onClick)`

### How to cross_val_score (Python Programing Language)

1
`from sklearn import datasets, linear_model`
2
`from sklearn.model_selection import cross_val_score`
3
`diabetes = datasets.load_diabetes()`
4
`X = diabetes.data[:150]`
5
`y = diabetes.target[:150]`
6
`lasso = linear_model.Lasso()`
7
`print(cross_val_score(lasso, X, y, cv=3))`

### How to reversed python (Python Programing Language)

1
`#Reverse any python itterable!`
2
`​`
3
`# for string`
4
`seq_string = 'Python'`
5
`print(list(reversed(seq_string)))`
6
`​`
7
`# for tuple`
8
`seq_tuple = ('P', 'y', 't', 'h', 'o', 'n')`
9
`print(list(reversed(seq_tuple)))`
10
`​`
11
`# for range`
12
`seq_range = range(5, 9)`
13
`print(list(reversed(seq_range)))`
14
`​`
15
`# for list`
16
`seq_list = [1, 2, 4, 3, 5]`
17
`print(list(reversed(seq_list)))`

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Degree is required for VBD Technical Supervisor job position at National Health Mission Recruitment (November 12, 2021).

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There are 7 for Fitter job position at Tehri Hydro Development Corporation Limited Recruitment (November 14, 2021).

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