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What is a good pattern for using a Global Mutex in C#?
...se it's so hard to get right:
using System.Runtime.InteropServices; //GuidAttribute
using System.Reflection; //Assembly
using System.Threading; //Mutex
using System.Security.AccessControl; //MutexAccessRule
using System.Security.Principal; //SecurityIdenti...
Calculate a Running Total in SQL Server
...ks in SQL server 2017. Thank you, very elegant!
– DaniDev
Sep 24 '19 at 17:36
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What do commas and spaces in multiple classes mean in CSS?
...
.container_12 .grid_6,
.container_16 .grid_8 {
width: 460px;
}
That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<div class...
How to template If-Else structures in data-bound views?
I constantly find myself using this idiom in KO-based HTML templates:
4 Answers
4
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How do I change Bootstrap 3 column order on mobile layout?
...layout with a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this
...
Sending a notification from a service in Android
...fo(this, /* your content */, pendingIntent);
notificationManager.notify(/* id */, notification);
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JavaScript file upload size validation
...is browser yet.");
return;
}
input = document.getElementById('fileinput');
if (!input) {
bodyAppend("p", "Um, couldn't find the fileinput element.");
}
else if (!input.files) {
bodyAppend("p", "This browser doesn't seem to support the `files` property of ...
What is the order of precedence for CSS?
I'm trying to figure out why one of my css classes seems to override the other (and not the other way around)
8 Answers
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What happens to a detached thread when main() exits?
...Unless you've unwound your stack at this point, it's hard to see how to avoid undefined behaviour.
The answer to the second question "can detached threads ever be joined again" is:
Yes, with the *_at_thread_exit family of functions (notify_all_at_thread_exit(), std::promise::set_value_at_thread_ex...
MongoDB/NoSQL: Keeping Document Change History
...ew version on each change
I came across the Versioning module of the Mongoid driver for Ruby. I haven't used it myself, but from what I could find, it adds a version number to each document. Older versions are embedded in the document itself. The major drawback is that the entire document is duplic...