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jQuery get mouse position within an element
...could click inside a div, then drag the mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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Why doesn't java.util.Set have get(int index)?
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Because sets have no ordering. Some implementations do (particularly those implementing the java.util.SortedSet interface), but that is not a general property of sets.
If you're trying to use sets this way, you should consider using a list inste...
Using LIMIT within GROUP BY to get N results per group?
...gregated function to get all years into a single column, grouped by id and ordered by rate:
SELECT id, GROUP_CONCAT(year ORDER BY rate DESC) grouped_year
FROM yourtable
GROUP BY id
Result:
-----------------------------------------------------------
| ID | GROUPED_YEAR ...
How to force garbage collection in Java?
...ES it is almost possible to forced you have to call to methods in the same order and at the same time this ones are:
System.gc ();
System.runFinalization ();
even if is just one object to clean the use of this two methods at the same time force the garbage collector to use the finalise() method o...
Difference between “include” and “require” in php
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to create an AVD for Android 4.0
...s named "ARM EABI v7a System Image".
This is what you need to download in order to create an Android 4.0 virtual device:
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Can we define implicit conversions of enums in c#?
...instance being null. It seems that the Mono runtime must have a different order of type initialization than the .NET one that allows this to work. Puzzling! I had to instead move that code into a static method and call it from the type initializer in the subclass.
– agentneg...
Animated loading image in picasso
... attention to weak references and declare a Callback object in this way in order to avoid garbage collection (otherwise onSuccess could never get called): final Callback loadedCallback = new Callback() { @Override public void onSuccess() { // your code ...
LINQ order by null column where order is ascending and nulls should be last
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Try putting both columns in the same orderby.
orderby p.LowestPrice.HasValue descending, p.LowestPrice
Otherwise each orderby is a separate operation on the collection re-ordering it each time.
This should order the ones with a value first, "then" the order...
Why are mutable structs “evil”?
...foo, which it can use modify the fields of foo any number of times, in any order, until it returns, but it can't persist that reference. Before Method2 returns, unless it uses unsafe code, any and all copies that might have been made of its 'foo' reference will have disappeared. Method3, unlike Me...