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Difference between two dates in MySQL
...ours, 60 min, 60 secs (since DATEDIFF returns diff in days). From 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
...
Convert char to int in C#
...ar
object. Use ToString to convert a Char
object to a String object.
http://msdn.microsoft.com/en-us/library/system.char.aspx
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How to remove all listeners in an element? [duplicate]
...; 1.7
$('#myEl').replaceWith($('#myEl').clone());
Here’s an example:
http://jsfiddle.net/LkfLezgd/3/
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How to checkout a specific Subversion revision from the command line?
...n
checkout a working copy in REV revision:
svn checkout --revision REV https://svn.example.com/svn/MyRepo/trunk/
svn checkout https://svn.example.com/svn/MyRepo/trunk/@REV
update your local working copy to REV revision:
svn update --revision REV
export (i.e. download) a file or a development ...
How to convert a List into a comma separated string without iterating List explicitly [dupli
...y/iterable into a single String containing the provided list of elements.
http://commons.apache.org/proper/commons-lang/javadocs/api-3.3.2/org/apache/commons/lang3/StringUtils.html
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Xcode 4: How do you view the console?
...u wouldn't normally have both on, but I can only link one image per post! http://i.stack.imgur.com/4gG4P.png
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#define macro for debug printing in C?
...l depend on the compiler and the flags you use.
TPOP was previously at http://plan9.bell-labs.com/cm/cs/tpop and http://cm.bell-labs.com/cm/cs/tpop but both are now (2015-08-10) broken.
Code in GitHub
If you're curious, you can look at this code in GitHub in my SOQ (Stack
Overflow Questions...
Extracting .jar file with command line
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EDIT: Here's another article, specifically focussed on extracting JARs: http://docs.oracle.com/javase/tutorial/deployment/jar/unpack.html
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LINQ - Full Outer Join
... 'highlevel' code, not bleeding-edge optimized, right now.
See it live on http://ideone.com/O36nWc
static void Main(string[] args)
{
var ax = new[] {
new { id = 1, name = "John" },
new { id = 2, name = "Sue" } };
var bx = new[] {
new { id = 1, surname = "Doe" },
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How to parse JSON in Python?
...mple if you are getting a json from a url like this:
j = urllib2.urlopen('http://site.com/data.json')
you will need to use json.load, not json.loads:
j_obj = json.load(j)
(it is easy to forget: the 's' is for 'string')
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