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String concatenation: concat() vs “+” operator

...ing a = "abc"; public String b = "xyz"; public String c = "123"; } @org.openjdk.jmh.annotations.State(Scope.Thread) public static class State4 { public String a = "abc"; public String b = "xyz"; public String c = "123"; public String d = ...
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How to pass parameters in GET requests with jQuery

...ng to handle error } }); And you can get the data by (if you are using PHP) $_GET['ajaxid'] //gives 4 $_GET['UserID'] //gives you the sent userid In aspx, I believe it is (might be wrong) Request.QueryString["ajaxid"].ToString(); ...
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On delete cascade with doctrine2

..., you configure the @JoinColumn with the onDelete="CASCADE" option. <?php namespace Entities; use Doctrine\Common\Collections\ArrayCollection; /** * @Entity * @Table(name="contacts") */ class Contact { /** * @Id * @Column(type="integer", name="contact_id") * @Gener...
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How to check if a string starts with a specified string? [duplicate]

...-thread cache of compiled regular expressions (up to 4096). http://www.php.net/manual/en/intro.pcre.php share | improve this answer | follow | ...
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How does this site infecting script work?

...to. Someone, somehow, managed to inject the following rubbish into the key php scripts, but I mean not to talk about configuring Joomla. The site is not visited much (at times I fear I might be the only visitor to that site...) and I don't care much to have the site back up and running. I'll handle ...
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How do I use Django templates without the rest of Django?

...r Jinja2 because of {% set %} syntax and equality to Twig template engine (PHP). It's better to write cross platform code always, but the performance difference is not critical - for example, python will always work slower than PHP so if you need performance you better create site with PHP, Twig and...
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How to construct a REST API that takes an array of id's for the resources

...ry parameters will be combined into an array. With the above query string, PHP happens to tell you that id equals [1, 2, 3], but Ruby on Rails tells you it equals 3, and other frameworks may also act differently, e.g. saying id equals 1. URLs like …?id=1,2,3 avoid this potential for confusion. ...
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When is a language considered a scripting language? [closed]

...people say "when it gets interpreted instead of compiled". That would make PHP (for example) a scripting language. Is that the only criterion? Or are there other criteria? ...
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Does Javascript pass by reference? [duplicate]

...cript! Call-by-Value Primitive types are passed by-value: var num = 123, str = "foo"; function f(num, str) { num += 1; str += "bar"; console.log("inside of f:", num, str); } f(num, str); console.log("outside of f:", num, str); Reassignments inside a function scope are ...
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Renaming a virtualenv folder without breaking it

... using and so don't encounter the problem. – CoderGuy123 Nov 4 '16 at 18:06 Scratch that! Today I ran into a problem: ...