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In Python, when to use a Dictionary, List or Set?
...hone numbers to a list: [number1, number2, ...]).
When you want a mapping from keys to values, use a dict. (For example, when you want a telephone book which maps names to phone numbers: {'John Smith' : '555-1212'}). Note the keys in a dict are unordered. (If you iterate through a dict (telephone b...
Get all unique values in a JavaScript array (remove duplicates)
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@JackFranzen Slower than what? The solution from Rafael? Rafaels solution do not work for mixed type arrays. For my example ['a', 1, 'a', 2, '1'] you would get ['a', 1, 2]. But this is not what I expected. BTW, much slower is very relative.
– TLin...
Are there any free Xml Diff/Merge tools available? [closed]
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I was thinking from this perspective: the way KDiff does a hierarchical diff of directories, a hierarchical diff of elements could also work. So if an element has changed, then I agree, the parent elements should also be flagged as having ...
How can I find the method that called the current method?
...(new System.Diagnostics.StackTrace()).GetFrame(1).GetMethod().Name
It is from Get Calling Method using Reflection [C#].
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Cast Int to enum in Java
...ic enum MyEnum {
EnumValue1,
EnumValue2;
public static MyEnum fromInteger(int x) {
switch(x) {
case 0:
return EnumValue1;
case 1:
return EnumValue2;
}
return null;
}
}
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Could you explain STA and MTA?
... at the same time; those that don't can potentially be called concurrently from different threads, so they have to protect their own data.
In addition, it's also necessary for the runtime to prevent a COM object call from blocking the user interface, if a call is made from a user interface thread.
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callback to handle completion of pipe
I am using the following node.js code to download documents from some url and save it in the disk.
I want to be informed about when the document is downloaded. i have not seen any callback with pipe.Or, Is there any 'end' event that can be captured on completion of download ?
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Difference between staticmethod and classmethod
...omething to be
a classmethod, it is probably because you intend to call it from the class rather than from a class instance. A.foo(1) would have raised a TypeError, but A.class_foo(1) works just fine:
A.class_foo(1)
# executing class_foo(<class '__main__.A'>,1)
One use people have found for...
Can git ignore a specific line?
...I ended up putting my sed-calls in a separate helper.sh file that I called from my gitconfig with sh ".git/helper.sh" making sure to pass through any parameters to sed with "$@" (I assume just the filepath is passed).
– ohaal
Jun 26 '18 at 14:57
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Java: How to convert List to Map
...ss just below. You are free to use whatever function to generate your keys from the values .
– Alexis C.
Feb 4 '17 at 17:40
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