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What is the difference between i++ and ++i?

... Neither statement is correct. Consider your first statement. i++ actually means "save the value, increment it, store it in i, then tell me the original saved value". That is, the telling happens after the incrementing, not before as you have stated it. Consider the second statement. i++ actual...
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What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]

...ike that very much. Bazaar is reasonably fast (very fast for trees with shallow history, but presently scales poorly with history length), and is easy-to-learn to those familiar with the command-line interfaces of traditional SCMs (CVS, SVN, etc). Win32 is considered a first-class target by its dev...
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Create a custom View by inflating a layout?

...reate a Compound Control. You'll create a subclass of RelativeLayout, add all our your components in code (TextView, etc), and in your constructor you can read the attributes passed in from the XML. You can then pass that attribute to your title TextView. http://developer.android.com/guide/topics...
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Entity Framework and Connection Pooling

...tion Pooling (ADO.NET)) Never ever use global context. ObjectContext internally implements several patterns including Identity Map and Unit of Work. Impact of using global context is different per application type. For web applications use single context per request. For web services use single con...
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Using emit vs calling a signal as if it's a regular function in Qt

...e this: #ifndef QT_NO_EMIT # define emit #endif (The define guard is to allow you to use Qt with other frameworks that have colliding names via the no_keywords QMake config option.) share | impro...
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How to retrieve form values from HTTPPOST, dictionary or?

...ld reflect the form input names and the default model binder will automatically create this object for you: [HttpPost] public ActionResult SubmitAction(SomeModel model) { var value1 = model.SimpleProp1; var value2 = model.SimpleProp2; var value3 = model.ComplexProp1.SimpleProp1; ......
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FixedThreadPool vs CachedThreadPool: the lesser of two evils

...program that spawns threads (~5-150) which perform a bunch of tasks. Originally, I used a FixedThreadPool because this similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the threads (sev...
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MySQL stored procedure vs function, which would I use when?

...s: A procedure does not return a value. Instead, it is invoked with a CALL statement to perform an operation such as modifying a table or processing retrieved records. A function is invoked within an expression and returns a single value directly to the caller to be used in the expression. You c...
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?

...d have worked as well as these two numbers? Not every number would be equally "good". So, no. Seeding Strategies There are differences in the default-seeding schema between different versions and implementation of the JRE. public Random() { this(System.currentTimeMillis()); } public Ra...
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How do I change Bootstrap 3 column order on mobile layout?

... You cannot change the order of columns in smaller screens but you can do that in large screens. So change the order of your columns. <!--Main Content--> <div class="col-lg-9 col-lg-push-3"> </div> <!--Sidebar--> <div class="col-lg-3 col-lg...