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What is the difference/usage of homebrew, macports or other package installation tools? [closed]

... a problem with it, and my entire Unix ecosystem relay on it. If you are a PHP developer you can install the last version of Apache (Mac OS X uses 2.2), PHP and all the extensions you need, then upgrade all with one command. Forget to do the same with Homebrew. MacPorts support groups. foo@macpro:~...
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What are the differences between “=” and “

...d about so far. The second meaning isn’t an operator but rather a syntax token that signals named argument passing in a function call. Unlike the = operator it performs no action at runtime, it merely changes the way an expression is parsed. Let’s see. In any piece of code of the general form...
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PHP DOMDocument loadHTML not encoding UTF-8 correctly

...loadHTML('<?xml encoding="utf-8" ?>' . $content); fixed it for me in PHP7 (so it is still an issue) - this is a really annoying problem, because I defined utf8 in the HTML document (with <meta charset="UTF-8" />) but that has no effect, it seems to need the <?xml part, which is totall...
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How to encrypt/decrypt data in php?

I'm currently a student and I'm studying PHP, I'm trying to make a simple encrypt/decrypt of data in PHP. I made some online research and some of them were quite confusing(at least for me). ...
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What is the difference between char array and char pointer in C?

...nal length of the array, if known, for example, if the array is statically allocated), the details can be found in the standard. And at the level of runtime no difference between them (in assembler, well, almost, see below). Also, there is a related question in the C FAQ: Q: What is the differe...
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Java: how to initialize String[]?

.../ <--initialized statement You need to initialize the array so it can allocate the correct memory storage for the String elements before you can start setting the index. If you only declare the array (as you did) there is no memory allocated for the String elements, but only a reference handle...
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Check if $_POST exists

...ugustus Francis's answer, empty() is not correct for choice #1, because in php, the string '0' is equivalent to false - and empty() returns true for all values equivalent to false. So using empty, the code would skip printing if the value was '0'. If you want to exclude the empty string, see Augustu...
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What GRANT USAGE ON SCHEMA exactly do?

... The access are allocated according to a hierarchical model : BD --> SCHEMA --> TABLES . With GRANT USAGE ON SCHEMA , the admin user can't create table but he can do it with ALL GRANT ALL ON SCHEMA .... – bilel...
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std::function vs template

...pe-erasure magic for the storage. Generally, this implies a dynamic memory allocation (by default through a call to new). It's well known that this is a quite costly operation. The standard (20.8.11.2.1/5) encorages implementations to avoid the dynamic memory allocation for small objects which, tha...
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PHP array delete by value (not key)

I have a PHP array as follows: 18 Answers 18 ...