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Why are Objective-C delegates usually given the property assign instead of retain?
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How to run the sftp command with a password from Bash script?
...hpass -e sftp -oBatchMode=no -b - sftp-user@remote-host << !
cd incoming
put your-log-file.log
bye
!
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WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]
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WebRTC is designed for high-performance, high quality communication of video, audio and arbitrary data. In other words, for apps exactly like what you describe.
WebRTC apps need a service via which they can exchange network and media metadata, a process known as signaling. How...
How do I force a DIV block to extend to the bottom of a page even if it has no content?
.../test/html_body_11b.html
http://www.brunildo.org/test/index.html
I also recommend going to http://quirksmode.org/
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Debugging WebSocket in Google Chrome
... show you how to debug/inspect WebSocket traffic with Fiddler. codeproject.com/Articles/718660/…
– engineforce
Jan 31 '14 at 21:20
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How to throw a C++ exception
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Simple:
#include <stdexcept>
int compare( int a, int b ) {
if ( a < 0 || b < 0 ) {
throw std::invalid_argument( "received negative value" );
}
}
The Standard Library comes with a nice collection of built-in exception objects you can t...
Is there a constraint that restricts my generic method to numeric types?
...re in an interview with Bruce Eckel:
And it's not clear that the added complexity is worth the small yield that you get. If something you want to do is not directly supported in the constraint system, you can do it with a factory pattern. You could have a Matrix<T>, for example, and in tha...
How to un-submodule a Git submodule?
...u have backup!!
git add submodule_path # will add files instead of commit reference
git commit -m "remove submodule"
If you also want to preserve the history of the submodule, you can do a small trick: "merge" the submodule into the main repository so that the result will be the same as it...
All falsey values in JavaScript
...f (document.all) used to be a popular way to detect IE, before conditional comments. See Why is document.all falsy? for details
"Falsey" simply means that JavaScript's internal ToBoolean function returns false. ToBoolean underlies !value, value ? ... : ...; and if (value). Here's its official spe...
How to stop a PowerShell script on the first error?
I want my PowerShell script to stop when any of the commands I run fail (like set -e in bash). I'm using both Powershell commands ( New-Object System.Net.WebClient ) and programs ( .\setup.exe ).
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