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append multiple values for one key in a dictionary [duplicate]
I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key.
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Finding the source code for built-in Python functions?
Is there a way to see how built in functions work in python? I don't mean just how to use them, but also how were they built, what is the code behind sorted or enumerate etc...?
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Create a string of variable length, filled with a repeated character
So, my question has been asked by someone else in it's Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution?
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Can I find out the return value before returning while debugging in Visual Studio?
...s been added to VS2013.
You can see the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be seen directly after returning from the function, thus the easiest way to access it is by putting a breakpoint on the function call and step over (F10) ...
Get int value from enum in C#
...ast the enum, e.g.
int something = (int) Question.Role;
The above will work for the vast majority of enums you see in the wild, as the default underlying type for an enum is int.
However, as cecilphillip points out, enums can have different underlying types.
If an enum is declared as a uint, lon...
Why use non-member begin and end functions in C++11?
Every standard container has a begin and end method for returning iterators for that container. However, C++11 has apparently introduced free functions called std::begin and std::end which call the begin and end member functions. So, instead of writing
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Can you target with css?
...tent, there are only few styles that make sense to apply on it, like clear or position. You can set BR's border but you won't see it as it has no visual dimension.
If you like to visually separate two sentences, then you probably want to use the horizontal ruler which is intended for this goal. Sin...
Why is Github asking for username/password when following the instructions on screen and pushing a n
I'm the owner of an organization on github and just created a repo and tried pushing but I'm running into an issue where it's asking me for my username even though I can SSH just fine:
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How to create “No Activate” form in Firemonkey
...sible using NSPanel with NSNonactivatingPanelMask flag. The NSView of fmx form should become child of NSPanel. I have written a helper class which works for both Windows and Mac platforms (Works on XE4):
unit NoActivateForm;
interface
uses Fmx.Forms, Fmx.Types
{$IFDEF POSIX}
, Macapi.AppKit
{...
continue processing php after sending http response
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Yes. You can do this:
ignore_user_abort(true);
set_time_limit(0);
ob_start();
// do initial processing here
echo $response; // send the response
header('Connection: close');
header('Content-Length: '.ob_get_length());
ob_end_flush();
ob_flush();
flu...