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How to allocate aligned memory only using the standard library?
...impossibly badly aligned pointer: 0x800001. Adding the 16 gives 0x800011. Now I want to round down to the 16-byte boundary — so I want to reset the last 4 bits to 0. 0x0F has the last 4 bits set to one; therefore, ~0x0F has all bits set to one except the last four. Anding that with 0x800011 giv...
I keep getting “Uncaught SyntaxError: Unexpected token o”
...ve contains exact copy from this answer. Adding link from accepted answer now.
– Geoffrey Hale
Aug 5 '16 at 0:40
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Why is f(i = -1, i = -1) undefined behavior?
...Then this:
f(i=-1, i=-1)
might become:
clear i
clear i
decr i
decr i
Now i is -2.
It is probably a bogus example, but it is possible.
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SQLite DateTime comparison
...f today.
I arrived at the following.
WHERE dateTimeRecorded between date('now', 'start of day','-2 days')
and date('now', 'start of day', '+1 day')
Ok, technically I also pull in midnight on tomorrow like the original poster, if there was any data, but my data is all...
opengl: glFlush() vs. glFinish()
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I actually know what glFlush and glFinish do, and I can't tell what that image is saying. What's on the left side and the right? Also, was that image released in the Public Domain or under some license that allows you to post it on the I...
Get elements by attribute when querySelectorAll is not available without using libraries?
...ment.querySelectorAll('[someAttr]')
to find elements by attribute. It's now supported in all relevant browsers (even IE8): http://caniuse.com/#search=queryselector
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How to commit a change with both “message” and “description” from the command line? [duplicate]
...git and GitHub. I managed to set up everything locally on my Mac, so that now I can push commits to GitHub via git (on the command line, not the Mac app).
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Redirect all to index.php using htaccess
...updated Feb '18 and Jan '19)
It's not actually necessary (nor even common now) to set the path as a $_GET variable, many frameworks will rely on $_SERVER['REQUEST_URI'] to retrieve the same information - normally to determine which Controller to use - but the principle is exactly the same.
This do...
Running PostgreSQL in memory only
...a little easier with the advent of include_dir support in postgresql.conf; now you can just append one line, then write a generated config file for all the rest.
Faster testing with PostgreSQL
For more information about how to safely improve the performance of PostgreSQL for testing purposes, see ...
What does “1 line adds whitespace errors” mean when applying a patch?
...free to ignore the warning or turn it off with git config apply.whitespace nowarn.
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