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When should I use Arrow functions in ECMAScript 6?
... for much else.
Where an object constructor is needed one should consider converting the function to a class as shown above. The syntax works with anonymous functions/classes as well.
Readability of arrow functions
The probably best argument for sticking to regular functions - scope safety be da...
How do I change selected value of select2 dropdown with JqGrid?
... @AdamKDean: One can test additionally whether <select> where converted to select2 control by testing existense of the class select2-offscreen on the <select>. All elements of searching toolbar have id which start with gs_ prefix and have the name like in colModel. You can use get...
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...
What is the string length of a GUID?
...ystem.Guid.NewGuid();
byte[] guidbytes = guid.ToByteArray();
string uuid = Convert.ToBase64String(guidbytes).Trim('=');
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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 :
...
How to get week number in Python?
... This approach is better in cases where you don't want to split or convert a date which comes as a string... just pass the string in strptime in string format as it is and specify the format in second argument. Good solution. Remember: %W if week starts on Mondays.
– Th...
How to get the build/version number of your Android application?
...fo.versionName;
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
And you can get the version code by using this
int verCode = pInfo.versionCode;
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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 ...