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Const before or const after?
...hat situation would you prefer or need one over the other if any?
Essentially, the reason that the position of const within specifiers prior to an asterisk does not matter is that the C grammar was defined that way by Kernighan and Ritchie.
The reason they defined the grammar in this way was like...
What does LINQ return when the results are empty
I have a question about LINQ query. Normally a query returns a IEnumerable<T> type. If the return is empty, not sure if it is null or not. I am not sure if the following ToList() will throw an exception or just a empty List<string> if nothing found in IEnumerable result?
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...he CPU would have to wait on. The register renaming mechanism would essentially be defeated if it wasn't done that way.
This way you can write fast code using 32-bit values in 64-bit mode without having to explicitly break dependencies all the time. Without this behaviour, every single 32-bit instr...
How do you push a Git tag to a branch using a refspec?
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How does this actually solve the original poster's problem about overwriting a branch with a tag by force-pushing it? This just pushes all of your tags to a remote, it won't overwrite any branches.
– user456814
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Move assignment operator and `if (this != &rhs)`
In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
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Vim: How to change the highlight color for search hits and quickfix selection
...o need to :set hlsearch if your search results aren't being highlighted at all.
– Jeff Allen
Jan 23 '15 at 13:56
To do...
How do I set the rounded corner radius of a color drawable using xml?
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in this particular case all radii are the same, so you could have used android:radius="7dp"
– Will Kru
Mar 14 '12 at 23:16
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Turn off Chrome/Safari spell checking by HTML/css
...-grammar-checking
Update: This is now supported in the latest versions of all browsers.
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iPhone UIView Animation Best Practice
... means to use the block-based animations on UIView instead. They're essentially the same as beginAnimations and friends, but use block/closure features.
– Dan Rosenstark
Nov 18 '10 at 17:20
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What does int argc, char *argv[] mean?
... argv. This will (in practice) be 1 plus the number of arguments, as virtually all implementations will prepend the name of the program to the array.
The variables are named argc (argument count) and argv (argument vector) by convention, but they can be given any valid identifier: int main(int num...