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Play audio file from the assets directory

...e file in the assets directory. The asset directory contents are not actually 'real files' on disk. All of them are put together one after another. So, if you do not specify where to start and how many bytes to read, the player will read up to the end (that is, will keep playing all the file...
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk

...ke Java SE, Go, Node.js, and maybe Ruby (it's not documented for Ruby, but all the other Nginx platforms seem to support this), Elasticbeanstalk has a built-in understanding of how to configure Nginx. To extend Elastic Beanstalk's default nginx configuration, add .conf configuration files to a f...
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Postgres unique constraint vs index

... is it actual info? especially about partial indexes – anatol Feb 20 '19 at 6:30 1 ...
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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?

I just started using Qt and noticed that all the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro? ...
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Do sealed classes really offer performance Benefits?

... The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further. There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but ...
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What is the most useful script you've written for everyday life? [closed]

...e so popular :p As for how - Microsoft exposes a nice little API feature called Hooks. Using that hook; I was able to write a "filter" that did what I needed it to do (hint: if you return 1 with your callback windows will not process the keystroke). The reason I know about this actually is not be...
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What are all the user accounts for IIS/ASP.NET and how do they differ?

Under Windows Server 2008 with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list: ...
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Why does the order of the loops affect performance when iterating over a 2D array?

... x[1][0] etc... Meaning that you're hitting them all in order. Now look at the 1st version. You're doing: x[0][0] x[1][0] x[2][0] x[0][1] ...
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How do you clear a stringstream variable?

... For all the standard library types the member function empty() is a query, not a command, i.e. it means "are you empty?" not "please throw away your contents". The clear() member function is inherited from ios and is used to cle...
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How can I sort arrays and data in PHP?

...ue is lower and a value higher than 0 if the first value is higher. That's all that's needed: function cmp(array $a, array $b) { if ($a['foo'] < $b['foo']) { return -1; } else if ($a['foo'] > $b['foo']) { return 1; } else { return 0; } } Often, you will...