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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...serialize(this));
}
</script>
<script type="text/javascript" src="http://gmail.com/inbox/listMessage"></script>
What will happen now is that the Javascript code that comes from Google -- which the asker thought would be benign and immediately fall out of scope -- will actually be...
Debug vs Release in CMake
...make -DCMAKE_BUILD_TYPE=value). It takes values like Release, Debug, etc.
https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/Useful-Variables#compilers-and-tools
cmake uses the extension to choose the compiler, so just name your files .c.
You can override this with various settings:
For ...
Add custom messages in assert?
...
BOOST_ASSERT_MSG(expre, msg)
http://www.boost.org/doc/libs/1_51_0/libs/utility/assert.html
You could either use that directly or copy Boost's code. Also note Boost assert is header only, so you could just grab that single file if you didn't want to inst...
Logging uncaught exceptions in Python
...
The method sys.excepthook will be invoked if an exception is uncaught: http://docs.python.org/library/sys.html#sys.excepthook
When an exception is raised and uncaught, the interpreter calls sys.excepthook with three arguments, the exception class, exception instance, and a traceback object. ...
How to return an array from JNI to Java?
...NewStringUTF(message[i]));
}
return(ret);
}
from link:
http://www.coderanch.com/t/326467/java/java/Returning-String-array-program-Java
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How do you manage databases in development, test, and production?
...e ideas on how to manage the database. A short version is readable also at http://martinfowler.com/articles/evodb.html
In one PHP+MySQL project I've had the database revision number stored in the database, and when the program connects to the database, it will first check the revision. If the progr...
Google Maps v3 - limit viewable area and zoom level
...Fiddle Demo
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Google Maps JavaScript API v3 Example: Limit Panning and Zoom</title>
<script type="text/javascript"
src="http://maps...
How to prevent browser page caching in Rails
...
Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb
After Rails 5:
class ApplicationController < ActionController::Base
before_action :set_cache_headers...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...s. The most succinct example I could find was implemented in C macros at: http://www.di.unipi.it/~nids/docs/longjump_try_trow_catch.html
#include <stdio.h>
#include <setjmp.h>
#define TRY do{ jmp_buf ex_buf__; switch( setjmp(ex_buf__) ){ case 0: while(1){
#define CATCH(x) break; case ...
How to write iOS app purely in C
... arbitrary code before program startup,
// for more information read here: http://stackoverflow.com/questions/2053029
__attribute__((constructor))
static void initAppDel()
{
// This is objc-runtime gibberish at best. We are creating a class with the
// name "AppDelegate" that is a subclass ...