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Eclipse - no Java (JRE) / (JDK) … no virtual machine
...ession, you can want to register an older SDK (including a non-Sun one) in order to run/debug your programs with a JRE similar to the one which will actually be used in production.
June 2012, jmbertucci comments:
I'm running Windows 7 64-bit and I had the 32-bit JRE installed.
I downlo...
Exporting a function in shell
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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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Toggle Checkboxes on/off
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Orders of magnitude faster than triggering click with jQuery when you have a lot of checkboxes.
– Jeremy Cook
Feb 1 '17 at 15:32
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How to detect if a property exists on an ExpandoObject?
...ject will throw if you check for null on a property that doesn't exist. In order to get MVC ViewBag's gentler functionality out of your dynamic objects, you'll need to use an implementation of dynamic that doesn't throw.
You could simply use the exact implementation in MVC ViewBag:
. . .
public ov...
Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...cord, struct, dictionary, hash table, keyed list, or associative array.
An ordered list of values. In most languages, this is realized as an array, vector, list, or sequence.
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On Duplicate Key Update same as insert
...lue pairs by using SET instead of (a,b,c) VALUES(a,b,c).
An example with PHP:
$pairs = "a=$a,b=$b,c=$c";
$query = "INSERT INTO $table SET $pairs ON DUPLICATE KEY UPDATE $pairs";
Example table:
CREATE TABLE IF NOT EXISTS `tester` (
`a` int(11) NOT NULL,
`b` varchar(50) NOT NULL,
`c` text ...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...at's not been mentioned is that of locality.
A MAC address or time-based ordering (UUID1) can afford increased database performance, since it's less work to sort numbers closer-together than those distributed randomly (UUID4) (see here).
A second related issue, is that using UUID1 can be useful i...
Java - get pixel array from image
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People noticing a color difference and/or incorrect byte ordering: @Mota's code assumes a BGR ordering. You should check the incoming BufferedImage's type e.g. TYPE_INT_RGB or TYPE_3BYTE_BGR and handle appropriately. This is one of the things that getRGB() does for you, that makes ...
Hidden features of Scala
...the match groups into a Seq[String], the elements of which are assigned in order to the variables year, month, and day.
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edited Aug 17 '11 at 12:19
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overlay opaque div over youtube iframe
...ht="330" src="http://www.youtube.com/embed/NWHfY_lvKIQ?wmode=opaque" frameborder="0"></iframe>
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