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How to set radio button checked as default in radiogroup?
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you should check the radiobutton in the radiogroup like this:
radiogroup.check(IdOfYourButton)
Of course you first have to set an Id to your radiobuttons
EDIT: i forgot, radioButton.getId() works as well, thx Ramesh
EDIT2:
android:che...
Difference of keywords 'typename' and 'class' in templates?
...ainer, typename Type >
When specifying a template template, the class keyword MUST be used as above -- it is not interchangeable with typename in this case (note: since C++17 both keywords are allowed in this case).
You also must use class when explicitly instantiating a template:
template cl...
Build a simple HTTP server in C [closed]
I need to build a simple HTTP server in C. Any guidance? Links? Samples?
12 Answers
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Contains case insensitive
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Rob WRob W
304k6868 gold badges730730 silver badges629629 bronze badges
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Omitting the second expression when using the if-else shorthand
...true. This is called Short-circuiting.
It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach:
if(x==2) dosomething();
You should write readable code at all times; if you are worried about file size, just create a minified vers...
Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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A free tool to check C/C++ source code against a set of coding standards? [closed]
It looks quite easy to find such a tool for Java ( Checkstyle , JCSC ), but I can't seem to find one for C/C++. I am not looking for a lint-like static code analyzer, I only would like to check against coding standards like variable naming, capitalization, spacing, identation, bracket placement, an...
Do I have to Close() a SQLConnection before it gets disposed?
... Disposable objects , should we call Close() before the end of a using block?
8 Answers
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How to create a string with format?
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I think this could help you:
let timeNow = time(nil)
let aStr = String(format: "%@%x", "timeNow in hex: ", timeNow)
print(aStr)
Example result:
timeNow in hex: 5cdc9c8d
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Why is try {…} finally {…} good; try {…} catch{} bad?
...urred. try..finally will run your cleanup code and then the exception will keep going, to be handled by something that knows what to do with it.
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