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Embedding ads on Android app?

... I have personally used both Admob and Adsense. I was wary when I first implemented ads thinking that my users would be upset, but I have not received one complaint from over 500,000 active installations. The only permission that you nee...
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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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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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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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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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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 purpose of Flask's context stacks?

...backend". In other words, the Flask(...) application constructor has been called twice, creating two instances of a Flask application. Contexts When you are working with Flask, you often end up using global variables to access various functionality. For example, you probably have code that reads.....
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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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Putting git hooks into repository

... I generally agree with Scytale, with a couple additional suggestions, enough that it's worth a separate answer. First, you should write a script which creates the appropriate symlinks, especially if these hooks are about enforcing ...
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Quickly find whether a value is present in a C array?

...ned assembly language. I tend to take the path of least resistance - for small routines like this, I just write asm code and have a good idea how many cycles it will take to execute. You may be able to fiddle with the C code and get the compiler to generate good output, but you may end up wasting lo...