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Using python “with” statement with try-except block
....7, 3.1), you can also combine multiple expressions in one with statement. For example:
with open("input", "r") as inp, open("output", "w") as out:
out.write(inp.read())
Besides that, I personally regard it as bad habit to catch any exception as early as possible. This is not the purpose of e...
Select 50 items from list at random to write to file
...use xrange as an argument.
This is especially fast and space efficient for sampling from a
large population: sample(xrange(10000000), 60)
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LINQ where vs takewhile
...intList = new int[] { 1, 2, 3, 4, 5, -1, -2 };
Console.WriteLine("Where");
foreach (var i in intList.Where(x => x <= 3))
Console.WriteLine(i);
Console.WriteLine("TakeWhile");
foreach (var i in intList.TakeWhile(x => x <= 3))
Console.WriteLine(i);
Gives
Where
1
2
3
-1
-2
TakeWhil...
How to fight tons of unresolved variables warning in Webstorm?
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For variables use this syntax /** * @type {Object} * @property {string} sortval - value to sort by */ var a;
– Ferenc Takacs
Oct 1 '15 at 12:56
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How to add multi line comments in makefiles
...suggested, you can make a multi-line comment by using line continuations. For example:
# This is the first line of a comment \
and this is still part of the comment \
as is this, since I keep ending each line \
with a backslash character
However, I imagine that you are probably looking to tempor...
Splitting on first occurrence
...
Note: if more splits can be performed after reaching the maxsplit count, the last element in the list will contain the remainder of the string (inclusive of any sep chars/strings).
– BuvinJ
Sep 10 '19 at 13:01
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Correct way to use get_or_create?
I'm trying to use get_or_create for some fields in my forms, but I'm getting a 500 error when I try to do so.
5 Answers
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Unable to forward search Bash history similarly as with CTRL-r
I am trying to search my bash history similarly as with CTRL - r , but to forward direction.
4 Answers
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Remote debugging a Java application
...and pasting the invocation here. The answer I originally gave was relevant for the OP only. Here's a more modern invocation style (including using the more conventional port of 8000):
java -agentlib:jdwp=transport=dt_socket,server=y,address=8000,suspend=n <other arguments>
Original answer f...
What is the minimum length of a valid international phone number?
...o E.164 , the maximum length is 15 digits, but I was unable to find any information about the minimum. I consider digits only, no plus sign or separators.
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