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Null check in an enhanced for loop
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You should better verify where you get that list from.
An empty list is all you need, because an empty list won't fail.
If you get this list from somewhere else and don't know if it is ok or not you could create a utility method and use it like this:
for( Object o : saf...
Why is System.Web.Mvc not listed in Add References?
...ion of the library is even better. The reason is, if you just install them from NuGet package manager, you might end up with version incompatibility (the manager will usually offer you the newest version).
– jahu
Feb 10 '15 at 10:54
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Can promises have multiple arguments to onFulfilled?
...andard promise specification theres no clause preventing an implementation from handling this case - however its not implemented in the following libraries:
RSVP.promise (#L516-544)
Q promise (#787)
I assume the reason for them omiting multi arg resolves is to make changing order more succinct (...
NSString property: copy or retain?
...ht work for your own strings, but you never know about strings you receive from frameworks.
– Nikolai Ruhe
May 27 '10 at 12:18
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Unix command to find lines common in two files
I'm sure I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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Difference between initLoader and restartLoader in LoaderManager
...will be considered invalid, and you will receive no further data
updates from them.
There are basically two cases:
The loader with the id doesn't exist: both methods will create a new loader so there's no difference there
The loader with the id already exists: initLoader will only replace the ...
What Regex would capture everything from ' mark to the end of a line?
...ants to do. It serves as a reminder later that it is expecting everything from ' to the end of the line
– gnarf
May 6 '09 at 18:03
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How to cherry pick from 1 branch to another
...t cherry-pick -x <sha>
then at least you'll get the commit message from the original commit appended to your new commit, along with the original SHA, which is very useful for tracking cherry-picks.
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How to Calculate Execution Time of a Code Snippet in C++
...Time;
uint64 ret = li.QuadPart;
ret -= 116444736000000000LL; /* Convert from file time to UNIX epoch time. */
ret /= 10000; /* From 100 nano seconds (10^-7) to 1 millisecond (10^-3) intervals */
return ret;
#else
/* Linux */
struct timeval tv;
gettimeofday(&tv, NULL);
uint64 ret = tv...