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Clear variable in python
...efined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane details, at least).
– Ben
Nov 23 '11 at 5:57
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node.js require all files in a folder?
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require is a synchronous function so there is no benefits from callback. I would use fs.readdirSync instead.
– Rafał Sobota
Jan 10 '12 at 22:35
4
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Replace one substring for another string in shell script
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This answer stopped me from using sed with the pwd command to avoid defining a new variable each time my custom $PS1 runs. Does Bash provide a more general way than magic variables to use the output of a command for string replacement? As for your ...
Parse date without timezone javascript
... for me - .toUTCString() was the ticket that gave me the correct time back from the original given string. i.e. new Date("2016-08-22T19:45:00.0000000").toUTCString()
– Michael Giovanni Pumo
Aug 18 '16 at 10:29
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What does the Reflect object do in JavaScript?
...t.html#sec-reflect-object and it sounds similar to the Proxy object apart from the realm and loader functionality.
2 Answ...
What is the most “pythonic” way to iterate over a list in chunks?
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Modified from the recipes section of Python's itertools docs:
from itertools import zip_longest
def grouper(iterable, n, fillvalue=None):
args = [iter(iterable)] * n
return zip_longest(*args, fillvalue=fillvalue)
Example
I...
Difference between Control Template and DataTemplate in WPF
...t;
</StackPanel>
</Window>
(Templates blatently stolen from
http://msdn.microsoft.com/en-us/library/system.windows.controls.controltemplate.aspx
and
http://msdn.microsoft.com/en-us/library/system.windows.controls.contentcontrol.contenttemplate%28VS.95%29.aspx
respectively...
Get program execution time in the shell
... you wouldn't happen to know what debian package that would come from? doesn't seem to be installed by default
– ʞɔıu
Dec 22 '08 at 2:42
1
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Node.js - use of module.exports as a constructor
....width, 2);
}
}
export default Square;
Using it in ES6
import Square from "./square";
// ...
When using a class, you must use the new keyword to instatiate it. Everything else stays the same.
share
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Method call if not null in C#
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From C# 6 onwards, you can just use:
MyEvent?.Invoke();
or:
obj?.SomeMethod();
The ?. is the null-propagating operator, and will cause the .Invoke() to be short-circuited when the operand is null. The operand is only ac...