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How do I use boolean variables in Perl?
...isn't perfect, merely the best I've found. It's meant to be practical, not all-encompassing. Do note that value returned by your bool does stringify to 0. Also, you are discouraged from creating inconsistent overloads, and the values you return could be considered such. (e.g. a && can be opt...
How to copy a directory using Ant
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@s1n This commands only copies all the contents of src_dir to ../new/dir and not the src_dir. How do we copy src_dir (directory) to another location?
– Pipalayan Nayak
Dec 3 '11 at 19:24
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Which letter of the English alphabet takes up most pixels?
...n 'Arial Black' on my MacBook in Chrome, lowercase m is the widest, by a small margin.
– Earl Jenkins
Feb 14 '12 at 22:25
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Intent - if activity is running, bring it to front, else start a new one (from notification)
...recent task and click it, it will onResume(); Cant I onResume() programatically.
– user9599745
Jan 29 at 20:58
@Javene...
Purge Kafka Topic
...--entity-name <topic name> --add-config retention.ms=1000 This also allows you to check the current retention period, e.g. kafka-configs --zookeeper <zkhost>:2181 --describe --entity-type topics --entity-name <topic name>
– RHE
Jun 2 '16 at ...
Getting an “ambiguous redirect” error
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Bash can be pretty obtuse sometimes.
The following commands all return different error messages for basically the same error:
$ echo hello >
bash: syntax error near unexpected token `newline`
$ echo hello > ${NONEXISTENT}
bash: ${NONEXISTENT}: ambiguous redirect
$ echo hello ...
PHP ORMs: Doctrine vs. Propel
...eing the default ORM for symfony it is better supported (even though officially the ORMs are considered equal).
Furthermore I better like the way you work with queries (DQL instead of Criteria):
<?php
// Propel
$c = new Criteria();
$c->add(ExamplePeer::ID, 20);
$items = ExamplePeer::doSelect...
How to check whether a string is a valid HTTP URL?
...You may want to add more conditions to the uriResult.Scheme == ... Specifically https. It depends on what you need this for, but this small change was all I needed for it to work perfectly for me.
– Fiarr
Jan 22 '14 at 19:04
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Server.UrlEncode vs. HttpUtility.UrlEncode
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HttpServerUtility.UrlEncode will use HttpUtility.UrlEncode internally. There is no specific difference. The reason for existence of Server.UrlEncode is compatibility with classic ASP.
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Selenium c# Webdriver: Wait Until Element is Present
...at can cause some unpredictable behavior leading to bad test results. Generally speaking, I would recommend using explicit waits over implicit waits.
– mrfreester
Dec 22 '16 at 19:26
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