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How can I generate an MD5 hash?
...etInstance("MD5") to get a MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes).
Feed the MessageDigest one byte[] chunk at a time by calling md.update(bytes). When you're d...
Using column alias in WHERE clause of MySQL query produces an error
... yet
be determined.
Copied from MySQL documentation
As pointed in the comments, using HAVING instead may do the work. Make sure to give a read at this WHERE vs HAVING though.
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How do I compare two DateTime objects in PHP 5.2.8?
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The following seems to confirm that there are comparison operators for the DateTime class:
dev:~# php
<?php
date_default_timezone_set('Europe/London');
$d1 = new DateTime('2008-08-03 14:52:10');
$d2 = new DateTime('2008-01-03 11:11:10');
var_dump($d1 == $d2);
var_du...
How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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A comment first. The question was about not using try/catch.
If you do not mind to use it, read the answer below.
Here we just check a JSON string using a regexp, and it will work in most cases, not all cases.
Have a look arou...
Convert timestamp in milliseconds to string formatted time in Java
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Comment: HH will print the hour at that date (0-23), not the total amount of hours elapsed since 1970. Just sayin'.
– JohnyTex
Aug 19 '14 at 11:41
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Changing every value in a hash in Ruby
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Bash history without line numbers
The bash history command is very cool. I understand why it shows the line numbers, but is there a way I can invoke the history command and suppress the line numbers?
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Determine which element the mouse pointer is on top of in JavaScript
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Find() vs. Where().FirstOrDefault()
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Just to complement: There is no need to call Where and First or FirstOrDefault: either First or FirstOrDefault allows you to specify a search predicate, making the Where call unnecessary
– Robson Rocha
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android: move a view on touch move (ACTION_MOVE)
... If my memory serves me, without these values, the view will be compressed when moving it right or down. You can try to change them and see what happen.
– Vyacheslav Shylkin
Jul 8 '12 at 18:44
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