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How to compare type of an object in Python?
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isinstance works:
if isinstance(obj, MyClass): do_foo(obj)
but, keep in mind: if it looks like a duck, and if it sounds like a duck, it is a duck.
EDIT: For the None type, you can simply do:
if obj is None: obj = MyClass()
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Can I run multiple programs in a Docker container?
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answered Nov 14 '13 at 13:12
vesakovesako
1,65211 gold badge1010 silver badges77 bronze badges
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Where is shared_ptr?
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edited Mar 9 '12 at 3:01
answered May 27 '10 at 3:09
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Compiling problems: cannot find crt1.o
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answered Jan 25 '12 at 14:08
Karel LencKarel Lenc
78655 silver badges1111 bronze badges
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Draw line in UIView
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122
The easiest way in your case (horizontal line) is to add a subview with black background color...
Javascript regex returning true.. then false.. then true.. etc [duplicate]
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/^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi;
You're using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and ...
Read text file into string array (and write)
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126
As of Go1.1 release, there is a bufio.Scanner API that can easily read lines from a file. Con...
How to install therubyracer gem on 10.10 Yosemite?
...exec rake clean build binary
gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified
then just bundle your project gems
this is the only way it worked for me on 10.10 (ruby 2.1.2)
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Python: fastest way to create a list of n lists
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The list comprehensions actually are implemented more efficiently than explicit looping (see th...