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What is tail call optimization?
... space as (fact 3). This is not the case with the non-tail-recursive fact, and as such large values may cause a stack overflow.
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What is the benefit of using $() instead of backticks in shell scripts?
There are two ways to capture the output of command line in bash :
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Apache Prefork vs Worker MPM
Looking at the Apache config file, I see Prefork and Worker MPM defined. What is the difference and which one is Apache using?
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C++ compiling on Windows and Linux: ifdef switch [duplicate]
I want to run some c++ code on Linux and Windows. There are some pieces of code that I want to include only for one operating system and not the other. Is there a standard #ifdef that once can use?
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How to detect if a stored procedure already exists
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If you DROP and CREATE the procedure, you will loose the security settings. This might annoy your DBA or break your application altogether.
What I do is create a trivial stored procedure if it doesn't exist yet. After that, you can AL...
How to change the text on the action bar
Currently it just displays the name of the application and I want it to display something custom and be different for each screen in my app.
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Merge, update, and pull Git branches without using checkouts
I work on a project that has 2 branches, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
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Where do “pure virtual function call” crashes come from?
...e general case can't catch it since the flow from the ctor can go anywhere and anywhere can call the pure virtual function. This is Halting problem 101.
– shoosh
Sep 19 '08 at 4:20
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How can I keep Bootstrap popovers alive while being hovered?
I am using a Bootstrap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this?
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Calling a Java method with no name
I'm looking at the code below and found something a bit strange:
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