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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...ation: the code is just as fast as the 32-bit version!
This is obviously a hack, as the size of the variable isn't really 64 bit, as other parts of the program still use the 32-bit version, but as long as the inner popcount-loop dominates performance, this is a good start.
I then copied the inner lo...
What does the * * CSS selector do?
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@swapnesh it looks like a browser hack. There's a * { font-size: XXX } rule and a * * { font-size: YYY } rule. One of them applies to most browsers, and the other one applies to browsers with a certain bug, although I don't have patience to figure out the det...
How to install packages offline?
...to be able to run your app with all the necessary dependencies while still hacking on it, you'll do something like this:
$ cd ~/src/myapp
$ python setup.py develop --always-unzip --allow-hosts=None --find-links=/pypi
This way your app will be executed straight from your source directory. You can...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
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This is the hacky way that I am getting around this, at least it works in all current browsers (on Windows, I don't own a Mac):
if (navigator.geolocation) {
var location_timeout = setTimeout("geolocFail()", 10000);
navigator.ge...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
...g. jossef.com)
replace <JAVA HOME> with your java home directory
3) Hack it
Even though iv'e installed my certificate in Java's default certificate stores, Tomcat ignores that (seems like it's not configured to use Java's default certificate stores).
To hack this, add the following somewhere ...
Git: How to reuse/retain commit messages after 'git reset'?
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Why reset if you can hack, fix, hack and then just run git commit --amend --no-edit; thus, retaining your original commit message.
To make it work for multiple commits, just create a temporary commit with your newest changes and then use an inte...
Does Swift support reflection?
... real reflection. For one thing, it's readonly. It seems to me it's just a hack to enable debugging in Xcode. Protocol Mirror actually quotes the word IDE several times.
– Sulthan
Jun 6 '14 at 7:50
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JavaScript for detecting browser language preference [duplicate]
...that will return you the HTTP request headers via JSONP.
(Note: this is a hack only to be used if you do not have a back end available that can do this for you. In general you should not be making calls to third party hosted javascript files in your pages unless you have a very high level of trust...
Targeting .NET Framework 4.5 via Visual Studio 2010
...e and you have Windows 7+ and VS 2010 you may be able to use the following hack I put together which seems to work (but I haven't fully deployed an application using this method yet).
Backup your project file!!!
Download and install the Windows 8 SDK which includes the .NET 4.5 SDK.
Open your proj...
Dynamically load a JavaScript file
...Javascript safety settings, and using eval is opening the door to bugs and hacks.
2 - Add a script tag with the script URL in the HTML.
Definitely the best way to go. You can load the script even from a foreign server, and it's clean as you use the browser parser to evaluate the code. You can put ...