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Error handling in C code
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Use setjmp.
http://en.wikipedia.org/wiki/Setjmp.h
http://aszt.inf.elte.hu/~gsd/halado_cpp/ch02s03.html
http://www.di.unipi.it/~nids/docs/longjump_try_trow_catch.html
#include <setjmp.h>
#include <stdio.h>
jmp_buf x;
void...
PHP - How to check if a string contains a specific text [duplicate]
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Use the strpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a,...
Android preferences onclick event
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android:action="android.intent.action.VIEW"
android:data="http://www.example.com"
/>
</PreferenceScreen>
to launch a specific activity:
<PreferenceScreen android:title="something">
<intent
android:action="android.intent.action.MAIN"
a...
Running a specific test case in Django when your app has a tests directory
The Django documentation ( http://docs.djangoproject.com/en/1.3/topics/testing/#running-tests ) says that you can run individual test cases by specifying them:
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Struct like objects in Java
...ct), then it's appropriate to make the class's instance variables public.
http://www.oracle.com/technetwork/java/javase/documentation/codeconventions-137265.html#177
http://en.wikipedia.org/wiki/Plain_old_data_structure
http://docs.oracle.com/javase/1.3/docs/guide/collections/designfaq.html#28
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Returning JSON from PHP to JavaScript?
...There is no obligation that the end result of that JSON will be emitted as HTTP response. The "add a header" information, while useful for one situation, is not going to help you if what you're doing with that JSON isn't simply "return it verbatim to the web page". The question didn't add clarificat...
Possible to make labels appear when hovering over a point in matplotlib?
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From http://matplotlib.sourceforge.net/examples/event_handling/pick_event_demo.html :
from matplotlib.pyplot import figure, show
import numpy as npy
from numpy.random import rand
if 1: # picking on a scatter plot (matplotlib.co...
A proper wrapper for console.log with correct line number?
...stands out and looks mostly the same in FF and Chrome.
Testing in fiddle: http://jsfiddle.net/drzaus/pWe6W/
_log = (function (undefined) {
var Log = Error; // does this do anything? proper inheritance...?
Log.prototype.write = function (args) {
/// <summary>
/// Paul...
Disable cross domain web security in Firefox
... and the security.fileuri.strict_origin_policy. Sometimes also the network.http.refere.XOriginPolicy.
For me, none of these seem to have any effect.
This comment implies there is no built-in way in Firefox to do this (as of 2/8/14).
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Why does google.load cause my page to go blank?
...d after the page loads, wipes out the html.
This explains more in-depth:
http://groups.google.com/group/google-ajax-search-api/browse_thread/thread/e07c2606498094e6
Using one of the ideas, you could use a callback for the load to force it use append rather than doc.write:
setTimeout(function(){g...