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MySQL: @variable vs. variable. What's the difference?
... declare the local variables:
DELIMITER //
CREATE PROCEDURE prc_test (var INT)
BEGIN
DECLARE var2 INT;
SET var2 = 1;
SELECT var2;
END;
//
DELIMITER ;
These variables are not prepended with any prefixes.
The difference between a procedure variable and a session-specific user-defined ...
How to check whether a given string is valid JSON in Java
...is solution not only validates, but parses (and stores) the whole json. It converts numbers to Integer/Long/Double etc. This is more than just syntax check, it stores whole json in the memory. This might be significant for intensive loads. If better solution for syntax check exists?
...
Is there a way to take a screenshot using Java and save it to some sort of image?
...ufferedImage = new BufferedImage(rec.width, rec.height, BufferedImage.TYPE_INT_ARGB);
argFrame.paint(bufferedImage.getGraphics());
try {
// Create temp file
File temp = File.createTempFile("screenshot", ".png");
// Use the ImageIO API to write the bufferedImage to a...
git rebase: “error: cannot stat 'file': Permission denied”
...everything I could think of before I remembered the WinLess LESS -> CSS converter hiding in the background.
– Michael Martin-Smucker
Jun 13 '12 at 15:20
6
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Get all directories within directory nodejs
...
@nicksweet Can you convert this to JS?
– mikemaccana
Feb 5 '15 at 13:09
1
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“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
...d a similar problem. Info.plist file was in the binary file format. Had to convert it
– Luca Torella
Oct 2 '15 at 8:14
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Javascript what is property in hasOwnProperty?
...lobal or function code). I tried it in a blank HTML page and get a "cannot convert null to object" error.
– James Allardice
Feb 22 '12 at 14:39
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Python Create unix timestamp five minutes in the future
...ndar.timegm(future.utctimetuple()). This ensures that a UTC time is passed into calendar.timegm.
– shadowmatter
Jan 31 '13 at 4:28
1
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How to run a method every X seconds
...want to run
Date when = new Date(System.currentTimeMillis());
try{
Intent someIntent = new Intent(someContext,MyReceiver.class); // intent to be launched
// note this could be getActivity if you want to launch an activity
PendingIntent pendingIntent = PendingIntent.getBroadcast(
...
Android get free size of internal/external memory
I want to get the size of free memory on internal/external storage of my device programmatically. I'm using this piece of code :
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