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Upgrading PHP in XAMPP for Windows?

I would like to know how you upgrade PHP in Xampp for Windows? I tried to download the latest PHP version from the main PHP site but when I check (phpinfo) I still get that the previous version is still in use. ...
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Embedding ads on Android app?

I would like to make a free version of the Android app I have, but would like to embed ad on it. I am not sure where I should start? Is there a well known mobile ad company out there that is specialized in mobile advertising? ...
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How to JSON serialize sets?

I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection. ...
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?

Some SQL servers have a feature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE . ...
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Is errno thread-safe?

In errno.h , this variable is declared as extern int errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ? ...
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Postgres unique constraint vs index

As I can understand documentation the following definitions are equivalent: 8 Answers ...
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How to check if an element is in an array

In Swift, how can I check if an element exists in an array? Xcode does not have any suggestions for contain , include , or has , and a quick search through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there ...
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Storing C++ template function definitions in a .CPP file

I have some template code that I would prefer to have stored in a CPP file instead of inline in the header. I know this can be done as long as you know which template types will be used. For example: ...
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What is the most useful script you've written for everyday life? [closed]

Just wondering what little scripts/programs people here have written that helps one with his or her everyday life (aka not work related). ...
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What is the difference between `after_create` and `after_save` and when to use which?

Are after_create and after_save the same as per functionality? 3 Answers 3 ...