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Java Timer vs ExecutorService?
... difficult to think of a reason not to use the Java 5 executor framework. Calling:
ScheduledExecutorService ex = Executors.newSingleThreadScheduledExecutor();
will give you a ScheduledExecutorService with similar functionality to Timer (i.e. it will be single-threaded) but whose access may be sli...
HTML button to NOT submit form
... @SandipPingle There's no reason to use it, unless you need some really complex kind of styling. Also, IE6 and IE7 (fortunately being phased out) handle <button>s incorrectly in some cases. Additionally, <button> is not 100% cross-browser-compatible in that different browsers ma...
Configuration System Failed to Initialize
...n was corrupted during a power outage event - the config file which is normally XML was filled with NUL bytes
– mroselli
Dec 21 '16 at 18:45
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Upload failed You need to use a different version code for your APK because you already have one wit
...n the console before so i try re uploading it after resolving some issues
All i do is delete the previous APK from the Artifact Library
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How to get the current date and time
...e();
In the words of the Javadocs for the zero-argument constructor:
Allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond.
Make sure you're using java.util.Date and not java.sql.Date -- the latter doesn't hav...
What does “./” (dot slash) refer to in terms of an HTML file path location?
...e main part of the question then is: "Why to use it and is it necessary at all?". The only reason to prefer the syntax of "./file" instead of "file" I was able to find is that ./ means current folder and ONLY the current folder. So if there is some kind of tool/compiler/etc that searches for the fil...
How to Test Facebook Connect Locally
...which is ( http://localhost:xxxx/test.aspx )
So how I can test Facebook locally (i.e How I can change the callback url) ?
1...
Getting an object from an NSSet
...rate through (e.g. with enumerateObjectsUsingBlock or NSFastEnumeration), call containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about...
CSS @media print issues with background-color;
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Got it:
CSS:
box-shadow: inset 0 0 0 1000px gold;
Works for all boxes - including table cells !!!
(If the PDF-printer output file is to be believed..?)
Only tested in Chrome + Firefox on Ubuntu...
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Is Integer Immutable
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a is a "reference" to some Integer(3), your shorthand a+=b really means do this:
a = new Integer(3 + 3)
So no, Integers are not mutable, but the variables that point to them are*.
*It's possible to have immutable variables, these are denoted by the keyword final, which means that t...