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When to use Task.Delay, when to use Thread.Sleep?
...en and gracefully kill it. Thats one reason I would choose Task.Delay. see http://social.technet.microsoft.com/wiki/contents/articles/21177.visual-c-thread-sleep-vs-task-delay.aspx
I also agree efficiency is not paramount in this case.
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MySQL: selecting rows where a column is null
...nything,
including itself (ie: NULL = NULL is always false).
See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules
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How can I test https connections with Django as easily as I can non-https connections using 'runserv
...tunnel.cert > stunnel.pem
Create a config file for stunnel called dev_https with the following contents:
pid=
cert = stunnel/stunnel.pem
sslVersion = SSLv3
foreground = yes
output = stunnel.log
[https]
accept=8443
connect=8001
TIMEOUTclose=1
This file tells stunnel what it needs to know. ...
String replacement in java, similar to a velocity template
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Use StringSubstitutor from Apache Commons Text.
https://commons.apache.org/proper/commons-text/
It will do it for you (and its open source...)
Map<String, String> valuesMap = new HashMap<String, String>();
valuesMap.put("animal", "quick brown...
Parse query string into an array
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Use http://us1.php.net/parse_str
Attention, it's usage is:
parse_str($str, &$array);
not
$array = parse_str($str);
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Difference between map and collect in Ruby?
...ame.
Actually they are documented in the same place under ruby-doc.org:
http://www.ruby-doc.org/core/classes/Array.html#M000249
ary.collect {|item| block } → new_ary
ary.map {|item| block } → new_ary
ary.collect → an_enumerator
ary.map → an_enumerator
Invokes block on...
How to generate random SHA1 hash to use as ID in node.js?
...c(myPlaintextPassword, saltRounds);
For more examples you can check here: https://www.npmjs.com/package/bcrypt
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The definitive guide to form-based website authentication [closed]
...und practical auth, and how to avoid the most common security pitfalls.
To HTTPS or not to HTTPS?
Unless the connection is already secure (that is, tunneled through HTTPS using SSL/TLS), your login form values will be sent in cleartext, which allows anyone eavesdropping on the line between browser a...
Java String remove all non numeric characters
...Matcher.inRange('0', '9').or(CharMatcher.is('.')).retainFrom(input);
see http://code.google.com/p/guava-libraries/wiki/StringsExplained
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Creating java date object from year,month,day
...y when working with dates, timestamps and durations. Use HalDateTime from
http://sourceforge.net/projects/haldatetime/?source=directory
For example you can just use it to parse your input like this:
HalDateTime mydate = HalDateTime.valueOf( "25.12.1988" );
System.out.println( mydate ); // will ...