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Is it necessary to explicitly remove event handlers in C#
...ansferService.Transfer(source, destination);
// We now have to unsusbcribe from the event
transferService.BandwidthChanged -= ui.HandleBandwidthChange;
(You'd actually want to use a finally block to make sure you don't leak the event handler.) If we didn't unsubscribe, then the BandwidthUI would l...
Is there a Java equivalent to C#'s 'yield' keyword?
...e two options I know of is Aviad Ben Dov's infomancers-collections library from 2007 and Jim Blackler's YieldAdapter library from 2008 (which is also mentioned in the other answer).
Both will allow you to write code with yield return-like construct in Java, so both will satisfy your request. The no...
Is there a way to check if a file is in use?
...
You can suffer from a thread race condition on this which there are documented examples of this being used as a security vulnerability. If you check that the file is available, but then try and use it you could throw at that point, which a...
Why are my JavaScript function names clashing?
...Generally, it's more subtle - see stackoverflow.com/questions/336859/… . From the compiler perspective, they're different - but from the programmer perspective - we're close enough to it to claim that. That's why I added that long "while incorrect in terms of parsing order, the code you have is se...
When do we need to set ProcessStartInfo.UseShellExecute to True?
...utput by doing process.Arguments= "cmd /c dir >c:\\crp\\a.a". Likewise from a run dialog box you can do cmd /c dir>c:\crp\a.a
– barlop
Apr 24 '16 at 22:51
...
Logger slf4j advantages of formatting with {} instead of string concatenation
... if it is needed or not (the traditional "is debugging enabled" test known from log4j), and should be avoided if possible, as the {} allows delaying the toString() call and string construction to after it has been decided if the event needs capturing or not. By having the logger format a single stri...
How to go about formatting 1200 to 1.2k in java
...param n the number to format
* @param iteration in fact this is the class from the array c
* @return a String representing the number n formatted in a cool looking way.
*/
private static String coolFormat(double n, int iteration) {
double d = ((long) n / 100) / 10.0;
boolean isRound = (d ...
Is there any async equivalent of Process.Start?
...rt a new question with some code so we can see what you tried and continue from there.
– Ohad Schneider
Jul 6 '16 at 8:12
4
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When should I use Lazy?
...ssure on the GC in high load scenarios. Therefore, making them a Singleton from within the class itself is fine. Most (if not all) modern DI containers can handle it either way you choose.
– Lee Grissom
Jun 29 '17 at 20:17
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How to detect iPhone 5 (widescreen devices)?
..., when comparing floating points, as pointed in the comments by H2CO3.
So from now on you can use it in standard if/else statements:
if( IS_IPHONE_5 )
{}
else
{}
Edit - Better detection
As stated by some people, this does only detect a widescreen, not an actual iPhone 5.
Next versions of the i...