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When to use StringBuilder in Java [duplicate]
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As a general rule, always use the more readable code and only refactor if performance is an issue. In this specific case, most recent JDK's will actually optimize the code into the StringBuilder version in any case.
You usually only really need to do it manually...
In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
...http://www.freeimagehosting.net/uploads/a824304b18.png
It was the hint of reading the "Problems" tab :-) that turned me into the right direction, so I'm selecting that answer as the accepted answer because this is what I needed:
Snapshot from Problems tab http://www.freeimagehosting.net/uploads/de...
How to check if a string starts with one of several prefixes?
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Besides the solutions presented already, you could use the Apache Commons Lang library:
if(StringUtils.startsWithAny(newStr4, new String[] {"Mon","Tues",...})) {
//whatever
}
Update: the introduction of varargs at some point makes the call simpler now:
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IBOutlet and IBAction
...let UILabel *nameLabel; - if IBOutlet resolved to id, then that code would read id UIlabel *namelabel; which produces a compiler error. As I originally stated, IBOutlet resolves to nothing.
– Jasarien
Aug 20 '12 at 11:25
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sprintf like functionality in Python
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@Duncan; thanks, I didn't know that. I read somewhere it deprecated and never tried again :).
– utdemir
Mar 16 '11 at 13:38
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How to wait 5 seconds with jQuery?
...en the page has finished loading, so put that code inside your $(document).ready(...); script.
UPDATE 2: jquery 1.4.0 introduced the .delay method. Check it out. Note that .delay only works with the jQuery effects queues.
s...
How to work offline with TFS
...se of TFS 2012, looks like there is no need for 'Go offline' extensions. I read something about a new feature called local workspace for the similar purpose.
Alternatively I had good success with Git-TF. All the goodness of git and when you are ready, you can push it to TFS.
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How to get the last char of a string in PHP?
... interested in C# benchmarks for doing the same thing, this page is a good read. Directly accessing the last character won out.
– user4023224
Jun 7 '17 at 1:28
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Occurrences of substring in a string
...ntending to write an answer, check first whether or not someone else has already written the exact same answer. There's really no benefit in having the same answer appear twice, regardless of whether your answer was copied, or written independently.
– Dawood ibn Kareem
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How to convert a double to long without casting?
...aster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding other than "always towards zero" you'll need slightly more complicated code.
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