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Hidden Features of MySQL
...SET=latin1 AUTO_INCREMENT=1
TIMESTAMPS:
Values for TIMESTAMP columns are converted from the current time zone to UTC for storage,
and from UTC to the current time zone for retrieval.
http://dev.mysql.com/doc/refman/5.1/en/timestamp.html
For one TIMESTAMP column in a table, you can assign the cur...
How to get a list of user accounts using the command line in MySQL?
...| root | demohost |
| root | 127.0.0.1 |
| debian-sys-maint | localhost |
| | % |
+------------------+-----------+
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How to split a string, but also keep the delimiters?
...haracters.
Can you use zero-width matching regex in String split?
How do I convert CamelCase into human-readable names in Java?
Backreferences in lookbehind
See also
regular-expressions.info/Lookarounds
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Why does Java switch on contiguous ints appear to run faster with added cases?
...t legs. The value on which the switch is being performed is manipulated to convert it into an index in to the jump table. In this implementation , the time taken in the switch statement is much less than the time taken in an equivalent if-else-if statement cascade. Also the time taken in the switch...
Download file from an ASP.NET Web API method using AngularJS
..., FireFox and Safari.
It uses an arraybuffer response type, which is then converted into a JavaScript blob, which is then either presented to save using the saveBlob method - though this is only currently present in Internet Explorer - or turned into a blob data URL which is opened by the browser, ...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
... vectors.
The most effective you can be is to use the a combination of mb_convert_encoding and htmlentities as follows.
$str = mb_convert_encoding($str, 'UTF-8', 'UTF-8');
$str = htmlentities($str, ENT_QUOTES, 'UTF-8');
Even this leaves IE6 vulnerable, because of the way it handles UTF. However,...
“rm -rf” equivalent for Windows?
...lder /c /G "ADMINNAME":F /T
rmdir /s folder
Works for anything including sys files
EDIT: I actually found the best way which also solves file path too long problem as well:
mkdir \empty
robocopy /mir \empty folder
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Regular expression to match DNS hostname or IP Address?
...
@UserControl: Non-latin (Punycoded) hostnames must be converted to ASCII form first (éxämplè.com = xn--xmpl-loa1ab.com) and then validated.
– Alix Axel
Jul 21 '13 at 8:36
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How ListView's recycling mechanism works
...
Initially, I was also unaware of listview recycling and the convertview usage mechanism, but after a whole days research I pretty much understand the mechanisms of the list view by referring to an image from android.amberfog
Whenever your listview is filled by an adapter it basically...
Why are side-effects modeled as monads in Haskell?
...re functions together
We defined a function impurify :: a -> IO a which converts a pure value to impure.
Now we make the identification (>>=) = (~~~) and return = impurify, and see? We've got a monad.
Technical note
To ensure it's really a monad, there's still a few axioms which need to b...