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C# generic type constraint for everything nullable
...re you do the check in the static constructor, otherwise you'll be slowing down the construction of every instance of your generic class (unnecessarily)
– Eamon Nerbonne
Apr 5 '14 at 9:24
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@class vs. #import
... (usually) remove the need to #import files, it just moves the requirement down closer to where the information is useful.
For Example
If you say @class MyCoolClass, the compiler knows that it may see something like:
MyCoolClass *myObject;
It doesn't have to worry about anything other than My...
How to combine class and ID in CSS selector?
... want to change in multiple places anytime you need to adjust.
That boils down to this:
.sectionA{some general rules here}
#content{specific rules, and overrides for things in .sectionA}
Make sense?
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How to checkout in Git by date?
... You can always switch back
and forth between branches.
Edit: The link is down, so here's the command:
git checkout `git rev-list -n 1 --before="2009-07-27 13:37" master`
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Is Ruby pass by reference or by value?
...ect, but a friend asked me to explain this to him and what it really boils down to is how Ruby handles variables, so I thought I would share some simple pictures / explanations I wrote for him (apologies for the length and probably some oversimplification):
Q1: What happens when you assign a new ...
“Go To Definition” in Visual Studio only brings up the Metadata
...e are the simple steps:
Open your solution in Windows Explorer and close down Visual Studio
In the explorer menu, select View and ensure that the "Hidden items" checkbox is marked
Navigate to the subfolder .vs\[your solution name]\v15
Delete the .suo file
Restart VS and build your solution
That ...
Remove carriage return in Unix
...
Link is now down, please visit http://dos2unix.sourceforge.net/ instead
– RyanQuey
May 15 at 7:52
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What are POD types in C++?
... compatibility with C struct layout for that compiler, and pointer up- and down-casting. PODs "act like C types", non-PODs aren't guaranteed to do so. So if you want your type to portably act like a C struct, you must ensure that it is POD, so you need to know the difference.
–...
Is there any simple way to find out unused strings in Android project?
...a completely random id and then running Lint. I could not vote reply above down, because I don't have enough reputation :(.
– Frank Harper
Jul 31 '12 at 3:10
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Check whether number is even or odd
...n my opinion. I think the reason others don't prefer it over modulus comes down to a lack of understanding of binary.
– crush
Feb 13 '14 at 21:47
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