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New Array from Index Range Swift
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Array functional way:
array.enumerated().filter { $0.offset < limit }.map { $0.element }
ranged:
array.enumerated().filter { $0.offset >= minLimit && $0.offset < maxLimit }.map { $0.element }
The advantage of this method is such implementation is safe.
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Check if something is (not) in a list in Python
...you want to count the occurrences.
The XY Problem: Have you considered sets?
Ask yourself these questions:
do you need to check whether an item is in a list more than once?
Is this check done inside a loop, or a function called repeatedly?
Are the items you're storing on your list hashable? I...
How can I manipulate the strip text of facet_grid plots?
...cing is the crowding of major x-values, I think. There should be a way to set the values of the major x-axis and y-axis tick marks manually, but I can't remember what it is :-(
– briandk
May 1 '10 at 19:50
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Difference between rake db:migrate db:reset and db:schema:load
The difference between rake db:migrate and rake db:reset is pretty clear in my head. The thing which I don't understand is how rake db:schema:load different from the former two.
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The written versions of the logical operators
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Unfortunately, in Visual Studio (as of VS2013), you must set a specific compiler option (/Za) in order to support the alternative keywords (see stackoverflow.com/a/555524/368896). That presumably also has other impacts. So, in Visual Studio, it's not necessarily safe to take this...
python's re: return True if string contains regex pattern
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Get and Set a Single Cookie with Node.js HTTP Server
I want to be able to set a single cookie, and read that single cookie with each request made to the nodejs server instance. Can it be done in a few lines of code, without the need to pull in a third party lib?
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C# catch a stack overflow exception
... studio to break when it's thrown.
To do that, you need to open Exception Settings from the 'Debug' menu. In older versions of Visual Studio, this is at 'Debug' - 'Exceptions'; in newer versions, it's at 'Debug' - 'Windows' - 'Exception Settings'.
Once you have the settings open, expand 'Common L...
Get first day of week in PHP?
Given a date MM-dd-yyyy format, can someone help me get the first day of the week?
38 Answers
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Where is the C auto keyword used?
...2<=b<=10. This routine uses the fact that
in the ASCII character set, the digits 0 to 9 have sequential
code values. */
printn(n, b) {
extrn putchar;
auto a;
if (a = n / b) /* assignment, not test for equality */
printn(a, b); /* recursi...