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What does && mean in void *p = &&abc;
...ad -pedantic by default. Then people would learn C instead of irrelevant information about gnus.
– Lundin
May 24 '11 at 6:40
4
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What does `:_*` (colon underscore star) do in Scala?
...we're rather working with a varargs, than a sequence). Particularly useful for the methods that can accept only varargs.
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Why are `private val` and `private final val` different?
...ight-hand side get inlined into bytecode as constants. That engenders a performance benefit sure, but it causes binary compatibility of the definition to break if the "constant" ever changed. When defining a final static variable whose value might need to change, Java programmers have to resort to h...
Debug vs Release in CMake
...:
mkdir Release
cd Release
cmake -DCMAKE_BUILD_TYPE=Release ..
make
And for Debug (again from the root of your project):
mkdir Debug
cd Debug
cmake -DCMAKE_BUILD_TYPE=Debug ..
make
Release / Debug will add the appropriate flags for your compiler. There are also RelWithDebInfo and MinSizeRel bu...
Remove a folder from git tracking
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I came across this question while Googling for "git remove folder from tracking". The OP's question lead me to the answer. I am summarizing it here for future generations.
Question
How do I remove a folder from my git repository without deleting it from my local mac...
How to vertically align into the center of the content of a div with defined width/height?
...ave had with this version is that it seems you will have to create the css for every specific implementation. The reason for this is the content div needs to have the set height that your text will fill and the margin-top will be figured off of that. This issue can be seen in the demo. You can get i...
What is the advantage of using async with MVC5?
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The async actions are useful only when you are performing I/O bound operations such as remote server calls. The benefit of the async call is that during the I/O operation, no ASP.NET worker thread is being used. So here's how the first example works:
When a request hits th...
RSpec: describe, context, feature, scenario?
...
The context is an alias for describe, so they are functionally equivalent. You can use them interchangeably, the only difference is how your spec file reads. There is no difference in test output for example. The RSpec book says:
"We tend to use...
Class type check in TypeScript
...ipt but it shouldn't be used there anymore:
The is operator, which is new for ActionScript 3.0, allows you to test whether a variable or expression is a member of a given data type. In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 th...
Getting the count of unique values in a column in bash
...t to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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