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How to drop multiple columns in postgresql
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Does not work for me. I get: ERROR: 42601: syntax error at or near ","
– Audrey
Nov 5 '14 at 12:12
9
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How to copy a directory structure but only include certain files (using windows batch files)
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I'm getting an error because the file path has spaces on it (SOURCE_DIR="C:\Origin Test", DEST_DIR="C:\Dest Test", error: Test"" was unexpected at this moment). I've tried to change %var% by !var! everywhere, but without success. Any clues ...
How can I check if an argument is defined when starting/calling a batch file?
... as Dave Costa points out, "%1"=="" will also work.
I also fixed a syntax error in the usage echo to escape the greater-than and less-than signs. In addition, the exit needs a /B argument otherwise CMD.exe will quit.
@echo off
if [%1]==[] goto usage
@echo This should not execute
@echo Done.
goto ...
Postgresql: password authentication failed for user “postgres”
...u postgres psql
If that fails with a database "postgres" does not exists error, then you are most likely not on a Ubuntu or Debian server :-) In this case simply add template1 to the command:
sudo -u postgres psql template1
If any of those commands fail with an error psql: FATAL: password auth...
Java - How to create new Entry (key, value)
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The above line returns compilation error for me (I am using java 5, BTW) - error message is: 'The type AbstractMap.SimpleEntry is not visible'
– Spiderman
Jun 24 '10 at 14:01
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Gridview height gets cut
...taset. But regardless, thanks for the code. I think there is an off-by-one error though - I had to use int rows = items / columns + 1;
– Andrew
Nov 27 '14 at 3:12
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UIImage: Resize, then Crop
... images, fails with: CGContextSetInterpolationQuality: invalid context 0x0 error"
// Resizes the image according to the given content mode, taking into account the image's orientation
- (UIImage *)resizedImageWithContentMode:(UIViewContentMode)contentMode imageToScale:(UIImage*)imageToScale bounds:...
Android YouTube app Play Video Intent
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I'm getting the following error. ERROR/AndroidRuntime(1519): Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.google.android.youtube/com.google.android.youtube.PlayerActivity}; have you declared th...
TransformXml task could not be loaded from Microsoft.Web.Publishing.Tasks.dll
Has anyone seen this error and know how to fix it?
10 Answers
10
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Creating the Singleton design pattern in PHP5
...nstance();
$fact == $fact2;
But:
$fact = new UserFactory()
Throws an error.
See http://php.net/manual/en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
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