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Pipe output and capture exit status in Bash
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There is an internal Bash variable called $PIPESTATUS; it’s an array that holds the exit status of each command in your last foreground pipeline of commands.
<command> | tee out.txt ; test ${PIPESTATUS[0]} -eq 0
Or another alternative which also wor...
Any implementation of Ordered Set in Java?
If anybody is familiar with Objective-C there is a collection called NSOrderedSet that acts as Set and its items can be accessed as an Array 's ones.
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How to auto-indent code in the Atom editor?
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Interesting. I'm not sure I'd want it to automatically auto indent everything though. The built-in allows for indenting the selection. You could argue, that proper indentation is always something, that should be had.
– Zelphir Kaltstahl
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PDOException “could not find driver”
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You need to have a module called pdo_mysql. Looking for following in phpinfo(),
pdo_mysql
PDO Driver for MySQL, client library version => 5.1.44
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How do I compare two hashes?
...hes but the diff speed doesn't seem to scale well. Worth benchmarking your calls to it if you expect it may get fed two large hashes and making sure that the diff time is within your tolerance.
– David Bodow
Jul 18 '18 at 23:04
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Recursive search and replace in text files on Mac and Linux
...eans that find will append all results as arguments to one instance of the called command, instead of re-running it for each result. (One exception is when the maximal number of command-line arguments allowed by the OS is breached; in that case find will run more than one instance.)
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How to terminate the script in JavaScript?
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JavaScript equivalent for PHP's die. BTW it just calls exit() (thanks splattne):
function exit( status ) {
// http://kevin.vanzonneveld.net
// + original by: Brett Zamir (http://brettz9.blogspot.com)
// + input by: Paul
// + bugfixed by: Hyam Singe...
Live-stream video from one android phone to another over WiFi
...play with mediaplayer from file, or (b) make a tiny http proxy that runs locally and can accept mediaplayer's GET request, reply with HTTP headers, and then copy data from the remote server to it. For (a) you would create the mediaplayer with a file path or file url, for (b) give it a http url poin...
What's the difference between Sender, From and Return-Path?
...erent from the actual data of the message.
The Sender header is used to identify in the message who submitted it. This is usually the same as the From header, which is who the message is from. However, it can differ in some cases where a mail agent is sending messages on behalf of someone else....
What, why or when it is better to choose cshtml vs aspx?
...other people have answered, .cshtml (or .vbhtml if that's your flavor) provides a handler-mapping to load the MVC engine. The .aspx extension simply loads the aspnet_isapi.dll that performs the compile and serves up web forms. The difference in the handler mapping is simply a method of allowing the ...