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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT

Before KitKat (or before the new Gallery) the Intent.ACTION_GET_CONTENT returned a URI like this 19 Answers ...
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What exactly does an #if 0 … #endif block do?

...entire thing. And the #if 0s will nest with each other, like so: #if 0 pre_foo(); #if 0 foo(); bar(x, y); /* x must not be NULL */ baz(); #endif quux(); #endif Although of course this can get a bit confusing and become a maintenance headache if not commented properly. ...
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What Does 'Then' Really Mean in CasperJS

... then() basically adds a new navigation step in a stack. A step is a javascript function which can do two different things: waiting for the previous step - if any - being executed waiting for a requested url and related page to load ...
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Quickly reading very large tables as dataframes

... MonetDB.R gives you a data type that pretends to be a data frame but is really a MonetDB underneath, increasing performance. Import data with its monetdb.read.csv function. dplyr allows you to work directly with data stored in several types of database. Storing data in binary formats can also be...
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How to create module-wide variables in Python? [duplicate]

... Here is what is going on. First, the only global variables Python really has are module-scoped variables. You cannot make a variable that is truly global; all you can do is make a variable in a particular scope. (If you make a variable inside the Python interpreter, and then import other mo...
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Is it possible to use “/” in a filename?

...hould ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux? ...
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How to empty/destroy a session in rails?

.../ActionController/Base.html#M000668 Resets the session by clearing out all the objects stored within and initializing a new session object. Good luck! share | improve this answer ...
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c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...均提供实例参考。窗口应用程序使用Timer: #define TIMER_ID 1000 //定时器ID,可任意。触发后回调函数中用于区别不同的定时器以执行不同的任务 SetTimer(TIMER_ID, 1000 , NULL); //启动定时器,1秒后触发 KillTimer(TIMER_ID); //取消定时器 ...
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Android Get Current timestamp?

... From developers blog: System.currentTimeMillis() is the standard "wall" clock (time and date) expressing milliseconds since the epoch. The wall clock can be set by the user or the phone network (see setCurrentTimeMillis(long)), so the time may jump backwards or forwards unpredictably. This c...
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Node.js app can't run on port 80 even though there's no other process blocking the port

I'm running an instance of Debian on Amazon EC2 with Node.js installed. If I run the code below: 9 Answers ...