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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
Best/Most Comprehensive API for Stocks/Financial Data [closed]
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Link is now dead
– QHarr
Oct 13 '18 at 8:41
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Why is exception handling bad?
...hose statements just randomly doesn't run, you end up in a world of pain. Now take away locks and concurrency, and think about each method like that. Think of each method as a transaction of permutations on object state, if you will. At the start of your method call, the object should be clean st...
Indenting code in Sublime text 2?
...s-User contains exactly those lines and save that file. Also make sure ST knows which kind of filetype/syntax it should use (is your syntax highlighting correct?). If it still does not work try a different key (e.g. "f8" seems unused) then if that does not work either check whether user defined keyb...
How to reference style attributes from a drawable?
...possible to live without if you have multiple themes within an app. Right now I have to make three drawable XMLs for each of custom button types!
– Stephan Henningsen
Oct 27 '16 at 10:52
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A generic list of anonymous class
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okay cool, now we need an example of replacing the new {} lines with a select statement. var list = sourceList.Select( o => new { ...
Javascript swap array elements
...r belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the array [2,1,3,4]. This is destructuring assignment.
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Android 'Unable to add window — token null is not for an application' exception
... Yes, it's quite simple. And don't forget to add permission, I edited just now.
– codezjx
Jun 18 '15 at 13:10
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...ird value returns true - 128 == 128 is evaluated, and is of course, true.
Now, a fair bit happens to make that third result true:
An unboxing conversion occurs with respect to the equivalence operator you're using and the datatypes you have - namely, int and Integer. You're getting an Integer fr...
Hosting ASP.NET in IIS7 gives Access is denied?
... for me when I enabled windows authentication in IIS , working fine now. thanks
– Singaravelan
Jan 19 '18 at 11:15
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