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What is the dual table in Oracle?
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e.g. select sysdate from dual;
See http://www.adp-gmbh.ch/ora/misc/dual.html
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Force re-download of release dependency using Maven
...ven.apache.org/plugins/maven-dependency-plugin/purge-local-repository-mojo.html
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Get current time in milliseconds in Python?
...es -1, math.floor(-1.5) gives -2 See: docs.python.org/2/library/stdtypes.html
– Skip Huffman
Jul 30 '15 at 14:24
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PHP Get name of current directory
... the name of the directory where script executed:
//Path to script: /data/html/cars/index.php
echo basename(dirname(__FILE__)); //"cars"
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How to list out all the subviews in a uiviewcontroller in iOS?
...ption, per http://developer.apple.com/library/ios/#technotes/tn2239/_index.html
It outputs a more complete view hierarchy which you might find useful:
> po [_myToolbar recursiveDescription]
<UIToolbarButton: 0xd866040; frame = (152 0; 15 44); opaque = NO; layer = <CALayer: 0xd864230>&...
Setting mime type for excel document
...at answer, then the link in that document, gets us to here: tools.ietf.org/html/rfc6266#section-4.3. As far as I can tell, the security concern is just involving filenames provided by users--if they contain non-latin characters, or characters that are invalid on some OS. All the major browsers have ...
Ruby: How to get the first character of a string
...nd 2.1.
"Smith".chr #=> "S"
http://ruby-doc.org/core-1.9.3/String.html#method-i-chr
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Difference between two dates in MySQL
...rom MySQL:
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html
for example:
mysql> SELECT DATEDIFF('2007-12-31 23:59:59','2007-12-30 00:00:00') * 24*60*60
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How to check with javascript if connection is local host?
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if launching static html in browser, eg from location like file:///C:/Documents and Settings/Administrator/Desktop/ detecting "localhost" will not work. location.hostname will return empty string. so
if (location.hostname === "localhost" || loc...
Changing element style attribute dynamically using JavaScript
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Assuming you have HTML like this:
<div id='thediv'></div>
If you want to modify the style attribute of this div, you'd use
document.getElementById('thediv').style.[ATTRIBUTE] = '[VALUE]'
Replace [ATTRIBUTE] with the style at...