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java.util.regex - importance of Pattern.compile()?

...r object that is only ever used by one thread at a time in order to reduce allocations. – AndrewF Jul 3 '19 at 20:40  |  show 1 more comment ...
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call a static method inside a class?

...that a static method call is taking place. $this::staticMethod(); Since PHP 5.3 you can use $var::method() to mean <class-of-$var>::; this is quite convenient, though the above use-case is still quite unconventional. So that brings us to the most common way of calling a static method: self...
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What is the difference between indexOf() and search()?

...nt - try "hello.".search(".") - it returns 0, not 5 because . is the regex token for "any character" – user993683 Jun 22 '17 at 3:05 add a comment  |  ...
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How to dismiss keyboard iOS programmatically when pressing return

...dLoad]; //Keyboard stuff tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)]; tapRecognizer.cancelsTouchesInView = NO; [self.view addGestureRecognizer:tapRecognizer]; } Also, add this function in the .m file: - (void)handleSingl...
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PDO get the last ID inserted

... That's because that's an SQL function, not PHP. You can use PDO::lastInsertId(). Like: $stmt = $db->prepare("..."); $stmt->execute(); $id = $db->lastInsertId(); If you want to do it with SQL instead of the PDO API, you would do it like a normal select qu...
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String literals: Where do they go?

I am interested in where string literals get allocated/stored. 8 Answers 8 ...
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PhpStorm text size

Is it possible to define a shortcut to increase/decrease size of code in PhpStorm, like what you can do in Notepad++ with CTRL + Mouse Wheel ? ...
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Automatically capture output of last command into a variable using Bash?

...opened at once as long as they don't include spaces or other shell parsing tokens. share | improve this answer | follow | ...
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Array versus List: When to use which?

... an array assures the client it cannot add/remove items. If it does, it re-allocates the array and is assured it will not affect original. Returning a list, no such assurances are made and original could be affected (depends on implementation). Changing items within the collection (whether array or...
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Can enums be subclassed to add new elements?

...e_StatusGroup.START), SUCCESS (State_StatusGroup.FINISH), FAIL_TOKEN_TIMEOUT (State_StatusGroup.FAIL, State_StatusGroup.FINISH), FAIL_NOT_COMPLETE (State_StatusGroup.FAIL, State_StatusGroup.STEP), FAIL_UNKNOWN (State_StatusGr...