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clang: how to list supported target architectures?
...t way to get the answer is reading the source code.
in llvm/ADT/Triple.h (http://llvm.org/doxygen/Triple_8h_source.html):
enum ArchType {
UnknownArch,
arm, // ARM: arm, armv.*, xscale
aarch64, // AArch64: aarch64
hexagon, // Hexagon: hexagon
mips, // MIPS: mips, mipsa...
Safari 3rd party cookie iframe trick no longer working?
...?php
// START SAFARI SESSION FIX
session_start();
$page_url = "http://www.facebook.com/pages/.../...?sk=app_...";
if (isset($_GET["start_session"]))
die(header("Location:" . $page_url));
if (!isset($_GET["sid"]))
die(header("Location:?sid=" . session_id()));
...
Is it safe to push_back an element from the same vector?
...
It looks like http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-closed.html#526 addressed this problem (or something very similar to it) as a potential defect in the standard:
1) Parameters taken by const reference can be changed during ...
PHP passing $_GET in linux command prompt
...pts = getopt('f:');
echo $opts['f']; // prints world
$_GET refers to the HTTP GET method parameters, which are unavailable in command line, since they require a web server to populate.
If you really want to populate $_GET anyway, you can do this:
// bash command:
// export QUERY_STRING="var=va...
How do I get Pyflakes to ignore a statement?
...rite your own that calls the pyflakes checker.
Here you can find an idea: http://djangosnippets.org/snippets/1762/
Note that the above snippet only for for comments places on the same line.
For ignoring a whole block you might want to add 'pyflakes:ignore' in the block docstring and filter based o...
Node.js get file extension
...d of split() & pop()
Have a look at the performance differences here: http://jsperf.com/remove-first-character-from-string
// returns: 'html'
var path = require('path');
path.extname('index.html').substr(1);
Update August 2019
As pointed out by @xentek in the comments; substr() is now cons...
what does the __file__ variable mean/do?
...are considered to be "special" by convention and serve a special purpose.
http://docs.python.org/reference/datamodel.html shows many of the special methods and attributes, if not all of them.
In this case __file__ is an attribute of a module (a module object). In Python a .py file is a module. S...
Node.js / Express.js - How does app.router work?
...ould serve the files in that folder. So a request to your Node server for http://server/file.html would serve /var/www/file.html.
router is code that runs your routes. When you do app.get('/user', function(req, res) { ... });, it is the router that actually invokes the callback function to process...
How to install Java SDK on CentOS?
...d it and directly install via rpm.
For all who are interested:
wget -q http://www.oracle.com/technetwork/java/javase/downloads/index.html -O ./index.html && grep -Eoi ']+>' index.html | grep -Eoi '/technetwork/java/javase/downloads/jdk8-downloads-[0-9]+.html' | (head -n 1) | awk '{pri...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...features and behaviours when writing new ECMAScript code....
Behaviour:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/escape
Special characters are encoded with the exception of: @*_+-./
The hexadecimal form for characters, whose code unit value is 0xFF or les...