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Generating a UUID in Postgres for Insert statement?
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uuid-ossp is a contrib module, so it isn't loaded into the server by default. You must load it into your database to use it.
For modern PostgreSQL versions (9.1 and newer) that's easy:
CREATE EXTENSION IF NOT EXISTS "uuid-ossp"...
Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
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Looking at this question from another side:
how does a developer choose one technology over another?
integrates better in their already built system
is easier to use
is faster
has more capabilities or better suits their needs
cost
more platfrom-independant
So I'll discuss the differences ...
Why is volatile needed in C?
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volatile in C actually came into existence for the purpose of not caching the values of the variable automatically. It will tell the compiler not to cache the value of this variable. So it will generate code to take the value of the given volatile variable from the main memory ev...
How do I enter RGB values into Interface Builder?
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Click on the color slider icon, and then choose "RGB Sliders" from the drop-down list.
You can also use the magnifying-glass as a color picker to pick up an exact color from anywhere on the screen; also see @ken's excellent comment below clarifying how colorspaces wor...
How can I delete the current line in Emacs?
...e the current line. Tried CTRL + k but it only deletes from current position.
5 Answers
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Inspect element that only appear when other element is mouse overed/entered
...ecords a portion of the screen directly in a super-optimized GIF. Windows, OS X and Linux.
– fregante
Jul 17 '14 at 7:26
2
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Where do “pure virtual function call” crashes come from?
...swered Sep 19 '08 at 4:12
Adam RosenfieldAdam Rosenfield
347k9090 gold badges477477 silver badges564564 bronze badges
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Why are dashes preferred for CSS selectors / HTML attributes?
...id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me.
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How can I restart a Java application?
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Of course it is possible to restart a Java application.
The following method shows a way to restart a Java application:
public void restartApplication()
{
final String javaBin = System.getProperty("java.home") + File.separator + "bin" + F...
Suppress command line output
...lue of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful because there are subtle differences between the shell syntax and CMD.EXE.
Update: I know the OP understands the special nature of the "file" named NUL I'm...