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Best practice for Python assert
...wn Exception classes.
For example, if you're writing a function to read from a configuration file into a dict, improper formatting in the file should raise a ConfigurationSyntaxError, while you can assert that you're not about to return None.
In your example, if x is a value set via a user int...
Swift - class method which must be overridden by subclass
...
Case 2: Mind the fact, that if you call super.someFunc() from the overridden method, you get the error despite the fact that you overridden it. You know that you are not suppose to call it, but someone else doesn't have to know that and just follow the standard practice.
...
How do I close a single buffer (out of many) in Vim?
...of caution: "the w in bw does not stand for write but for wipeout!"
More from manuals:
:bd
Unload buffer [N] (default: current
buffer) and delete it from
the buffer list. If the buffer was changed, this fails,
unless when [!] is specified, in which case ...
Secondary axis with twinx(): how to add to legend?
...o something like this:
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rc
rc('mathtext', default='regular')
time = np.arange(10)
temp = np.random.random(10)*30
Swdown = np.random.random(10)*100-10
Rn = np.random.random(10)*100-10
fig = plt.figure()
ax = fig.add_subplot(1...
Check if string ends with one of the strings from a list
...
Take an extension from the file and see if it is in the set of extensions:
>>> import os
>>> extensions = set(['.mp3','.avi'])
>>> file_name = 'test.mp3'
>>> extension = os.path.splitext(file_name)[1]
>&...
What is a message pump?
...tchMessage(&msg);
}
The GetMessage() Win32 API retrieves a message from Windows. Your program typically spends 99.9% of its time there, waiting for Windows to tell it something interesting happened. TranslateMessage() is a helper function that translates keyboard messages. DispatchMessage...
Re-sign IPA (iPhone)
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@ValerioSantinelli You'll need to carry over entitlements from the previous code signing. FWIW push notifications will not work without entitlements. After unzipping: /usr/bin/codesign -d --entitlements :entitlements.plist /Payload/appname.app Then during the resigning add --entitle...
How to initialize a dict with keys from a list and empty value in Python?
I'd like to get from this:
6 Answers
6
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How to split a string in shell and get the last field
...ng operators:
$ foo=1:2:3:4:5
$ echo ${foo##*:}
5
This trims everything from the front until a ':', greedily.
${foo <-- from variable foo
## <-- greedy front trim
* <-- matches anything
: <-- until the last ':'
}
...
Revert changes to a file in a commit
...n commit. I did 'git add filename ; git commit --amend' to remove the file from commit.
– ViFI
Oct 18 '16 at 18:20
3
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