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Mutex example / tutorial? [closed]
...pt. Hope the example gives you a clear picture of the concept.]
With C++11 threading:
#include <iostream>
#include <thread>
#include <mutex>
std::mutex m;//you can use std::lock_guard if you want to be exception safe
int i = 0;
void makeACallFromPhoneBooth()
{
m.lock();/...
Make a div into a link
...ply the following CSS to the empty span:
{
position:absolute;
width:100%;
height:100%;
top:0;
left: 0;
z-index: 1;
/* fixes overlap error in IE7/8,
make sure you have an empty gif */
background-image: url('empty.gif');
}
It will now cover the panel, and as it's inside...
How to toggle a boolean?
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edited May 21 at 19:24
answered Jul 22 '12 at 22:11
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Objective-C formatting string for boolean?
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173
One way to do it is to convert to strings (since there are only two possibilities, it isn't ha...
How to remove item from list in C#?
... used if you know the index of the item. For example:
resultlist.RemoveAt(1);
Or you can use Remove(T item):
var itemToRemove = resultlist.Single(r => r.Id == 2);
resultList.Remove(itemToRemove);
When you are not sure the item really exists you can use SingleOrDefault. SingleOrDefault will ...
How to retrieve a user environment variable in CMake (Windows)
...cript
You can pass a variable on the line with the cmake invocation:
FOO=1 cmake
or by exporting a variable in BASH:
export FOO=1
Then you can pick it up in a cmake script using:
$ENV{FOO}
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Failed binder transaction when putting an bitmap dynamically in a widget
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91
This is caused because all the changes to the RemoteViews are serialised (e.g. setInt and setIma...
Executing periodic actions in Python [duplicate]
I am working on Windows. I want to execute a function foo() every 10 seconds.
9 Answers
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How do I integrate Ajax with Django applications?
...ender_to_response('index.html', {'variable': 'world'})
index.html:
<h1>Hello {{ variable }}, welcome to my awesome site</h1>
urls.py:
url(r'^hello/', 'myapp.views.hello'),
url(r'^home/', 'myapp.views.home'),
That's an example of the simplest of usages. Going to 127.0.0.1:8000/hel...