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Can constructors throw exceptions in Java?

...). It's possible for the "half-constructed" object to stick around though, if it's made itself visible earlier in the constructor (e.g. by assigning a static field, or adding itself to a collection). One thing to be careful of about throwing exceptions in the constructor: because the caller (usuall...
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jQuery.inArray(), how to use it right?

...ay returns the index of the element in the array, not a boolean indicating if the item exists in the array. If the element was not found, -1 will be returned. So, to check if an item is in the array, use: if(jQuery.inArray("test", myarray) !== -1) ...
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

...U. In practice, it is only the representations for signed values that may differ according to the implementation: one's complement, two's complement, sign-magnitude. For an unsigned type there is no reason for the standard to allow variation because there is only one obvious binary representation (t...
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What does $1 [QSA,L] mean in my .htaccess file?

... in short; RewriteCond basically means "execute the next RewriteRule only if this is true". The !-l path is the condition that the request is not for a link (! means not, -l means link) The RewriteRule basically means that if the request is done that matches ^(.+)$ (matches any URL except the serv...
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Visual Studio jump to next error shortcut?

... F8 (and Shift+F8 to go backwards). Or at least that's what it is in my keyboard profile - you can go to tools\options\environment\keyboard and check out Edit.GoToNextLocation. Note If you configured Visual Studio using VB keyboard se...
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jQuery - multiple $(document).ready …?

...emember seeing $(function() { // do stuff }); for the first time, and how difficult it was to Google the explanation? $(document).ready communicates so much more for so little... – Matt Montag Oct 15 '13 at 20:19 ...
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How to check if a String contains any of some strings

I want to check if a String s, contains "a" or "b" or "c", in C#. I am looking for a nicer solution than using 14 Answers ...
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How to check if a path is absolute path or relative path in cross platform way with Python?

...ts with alphabet 'C:' or '\'. Does python has a standard function to check if a path is absolute or relative? 7 Answers ...
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How can I check if a scrollbar is visible?

...(jQuery); use it like this, $('#my_div1').hasScrollBar(); // returns true if there's a `vertical` scrollbar, false otherwise.. tested working on Firefox, Chrome, IE6,7,8 but not working properly on body tag selector demo Edit I found out that when you have horizontal scrollbar that causes vertica...
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How to randomize (shuffle) a JavaScript array?

...nswer skips element 0, the condition should be i-- not --i. Also, the test if (i==0)... is superfluous since if i == 0 the while loop will never be entered. The call to Math.floor can be done faster using ...| 0. Either tempi or tempj can be removed and the value be directly assigned to myArray[i] o...