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How do I detect whether a Python variable is a function?
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25 Answers
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define() vs. const
...ession as name. This allows to do things like this:
for ($i = 0; $i < 32; ++$i) {
define('BIT_' . $i, 1 << $i);
}
consts are always case sensitive, whereas define() allows you to define case insensitive constants by passing true as the third argument (Note: defining case-insensitive c...
Convert PEM to PPK file format
...here a way to convert PEM files to PPK files? (you may guess that Amazon EC2 gives me a PEM file, and I need to use the PPK format for SSH connectivity).
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Update a submodule to the latest commit
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edited Oct 23 '19 at 5:51
answered Nov 19 '11 at 2:26
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1030 Got error 28 from storage engine
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Mysql error "28 from storage engine" - means "not enough disk space".
To show disc space use command below.
myServer# df -h
Results must be like this.
Filesystem Size Used Avail Capacity Mounted on
/dev/vdisk 13G 13G...
Xcode duplicate line
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Go to this folder which contains dark side of the force:
Xcode 4.2 or prior: /Developer/Library/PrivateFrameworks/IDEKit.framework/Resources
Xcode 4.3 or later: /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources.
Open IDETextKeyBindingSet.plist.
Add a new dictionary an...
When to use an object instance variable versus passing an argument to the method
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My answer would be adding this answer to H-Man2 answer (lifetime). It should be a member attribute if and only if it is a persistent state of the object. That is, the value makes sense by itself outside of the scope of the current method stack.
– Da...
How to escape JSON string?
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edited Apr 24 '17 at 9:25
David Walschots
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AngularJS-Twig conflict with double curly braces
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287
You can change the start and end interpolation tags using interpolateProvider service. One con...
How to make the tab character 4 spaces instead of 8 spaces in nano?
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256
If you use nano with a language like python (as in your example) it's also a good idea to conv...