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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...
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...
Is the practice of returning a C++ reference variable evil?
...
return i; // DON'T DO THIS.
}
That is all sorts of evil. The stack-allocated i will go away and you are referring to nothing. This is also evil:
int& getInt() {
int* i = new int;
return *i; // DON'T DO THIS.
}
Because now the client has to eventually do the strange:
int&...
Ruby function to remove all white spaces?
...ction to remove all white spaces? I'm looking for something kind of like PHP's trim() ?
23 Answers
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PHP array delete by value (not key)
I have a PHP array as follows:
18 Answers
18
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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:~...
Chrome says “Resource interpreted as script but transferred with MIME type text/plain.”, what gives?
...fficiently configured, misconfigured, or a server-side application (e. g., PHP) is generating the client-side script resource.
Proper MIME media types for ECMAScript implementations like JavaScript include:
text/javascript (registered as obsolete, not deprecated; but still valid, and supported be...
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...
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...
How to retrieve Request Payload
I'm using PHP , ExtJS and ajax store .
2 Answers
2
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