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Is it a good idea to index datetime field in mysql?
... elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), IN...
How to sort List of objects by some property
...son = compare(x.timeStarted, y.timeStarted);
return startComparison != 0 ? startComparison
: compare(x.timeEnded, y.timeEnded);
}
// I don't know why this isn't in Long...
private static int compare(long a, long b) {
return a < b ? -1
: a &g...
Adding a user to a group in django
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edited Dec 4 '17 at 9:04
answered Jun 9 '11 at 6:24
jua...
How to list commits since certain commit?
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answered Oct 7 '11 at 22:04
manojldsmanojlds
248k5454 gold badges425425 silver badges395395 bronze badges
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Remove the first character of a string
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edited Jul 8 '18 at 19:00
Bjamse
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answered Feb 9 '11 at 13:34
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Is there a way to iterate over a dictionary?
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Yes, NSDictionary supports fast enumeration. With Objective-C 2.0, you can do this:
// To print out all key-value pairs in the NSDictionary myDict
for(id key in myDict)
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
The alternate method (which you have to use if you're ...
How to replace list item in best way
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109
Use Lambda to find the index in the List and use this index to replace the list item.
List<...
Adding console.log to every function automatically
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answered Feb 17 '11 at 21:06
WayneWayne
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What is an MvcHtmlString and when should I use it?
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answered Feb 19 '10 at 2:16
LeviLevi
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Make the first letter uppercase inside a django template
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208
Using Django built-in template filter called title
{{ "myname"|title }}
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