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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...urces. Often setting up the connection can be expensive but maintaining an idle connection it is almost free. The first limitation that is usually encountered is the maximum number of file descriptors (sockets consume file descriptors) that can be open simultaneously. This often defaults to 1024 but...
PHP foreach change original array values
... foreach should be controversial? It's not like it's a function call with hidden side effects or anything.
– UncaAlby
Mar 22 '17 at 20:43
1
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How to send commands when opening a tmux session inside another tmux session?
...ets screen display continue
A situation happens here, and @Paschalis provides a solution:
if it happens to be twice unlucky (a remote tmux session with C-q as prefix): Type Cltr-q, then :, and enter in tmux: send-keys C-q
Below it is the answer:
To make it simple, add the below line in yo...
What does “xmlns” in XML mean?
...efines an XML Namespace.
In your example, the Namespace Prefix is "android" and the Namespace URI is "http://schemas.android.com/apk/res/android"
In the document, you see elements like: <android:foo />
Think of the namespace prefix as a variable with a short name alias for the full namesp...
gitignore does not ignore folder
In the root of my project I have a foo folder. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore :
...
Grasping the Node JS alternative to multithreading
...manipulating the proper meanings of the terminology is only a nice try to hide the problem, instead solving it.
– peterh - Reinstate Monica
Apr 13 '17 at 21:55
1
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
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Consider these filenames:
C:\temp\file.txt - This is a path, an absolute path, and a canonical path.
.\file.txt - This is a path. It's neither an absolute path nor a canonical path.
C:\temp\myapp\bin\..\\..\file.txt - This is ...
Why should I not wrap every block in “try”-“catch”?
...an exception that you do not plan on handling in some way. You should consider how the application is going to systematically handle exceptions when you are designing it. This usually leads to having layers of error handling based on the abstractions - for example, you handle all SQL-related error...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
...inked CRT explicitly." Recently I ran into this issue. I was building a wxWidgets app, I found I needed to rebuild the wxWidgets libs with the same code generation modification
– Bill Forster
Nov 12 '08 at 2:55
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How do you make lettered lists using markdown?
...Markdown itself cannot do that, but since you can put HTML in it, this provides a pretty simple way to do it:
<ol type="a">
<li>Coffee</li>
<li>Tea</li>
<li>Milk</li>
</ol>
Some derivations on some platforms might interpret only a very strict ...