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What does the brk() system call do?
...d load the "text" and "data" blocks into RAM starting at address zero (actually a little above address zero, so that the NULL pointer genuinely didn't point to anything) and set the break address to the end of the data segment. The first call to malloc would then use sbrk to move the break up and c...
Where are $_SESSION variables stored?
...ariable storage is determined by PHP's session.save_path configuration. Usually this is /tmp on a Linux/Unix system. Use the phpinfo() function to view your particular settings if not 100% sure by creating a file with this content in the DocumentRoot of your domain:
<?php
phpinfo();
?>
...
Why is JsonRequestBehavior needed?
... involving JSON requests to improve the liklihood that the implications of allowing HTTP GET exposure are considered in advance of allowing them to occur.
This is opposed to afterwards when it might be too late.
Note: If your action method does not return sensitive data, then it should be safe to...
How do I know if a generator is empty from the start?
..., there is no simple way. There are a whole lot of work-arounds.
There really shouldn't be a simple way, because of what generators are: a way to output a sequence of values without holding the sequence in memory. So there's no backward traversal.
You could write a has_next function or maybe eve...
CSS: How do I auto-resize an image to fit a 'div' container?
...is portrait, you must set width="100%" on the image.
If your image is an SVG, which is a variable-sized vector image format, you can have the expansion to fit the container happen automatically.
You just have to ensure that the SVG file has none of these properties set in the <svg> tag:
he...
git pull VS git fetch Vs git rebase
...
It should be pretty obvious from your question that you're actually just asking about the difference between git merge and git rebase.
So let's suppose you're in the common case - you've done some work on your master branch, and you pull from origin's, which also has done some work. Af...
Filter element based on .data() key/value
...ts with class .navlink , which, when clicked, use .data() to set a key called 'selected' , to a value of true :
5 Answ...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
...ew window. Then press Esc to open the console.
Both the window and the "small console" can be resized to meet your needs.
Horizontal split
If you prefer to have the console at the right instead of the bottom, customize the developer tools by editing path/to/profile/Default/User StyleSheets/Cust...
How can I format patch with what I stash away
...pplication. However, since patch files are plain text files themselves, usually what one would do is edit the patch in a text editor to clip out the relevant parts to apply with patch. Alternately, if you're applying the patch into another Git repository, you could apply it all and then selectively ...
Wrapping a C library in Python: C, Cython or ctypes?
I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices:
...