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Using NSPredicate to filter an NSArray based on NSDictionary keys
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It should work - as long as the data variable is actually an array containing a dictionary with the key SPORT
NSArray *data = [NSArray arrayWithObject:[NSMutableDictionary dictionaryWithObject:@"foo" forKey:@"BAR"]];
NSArray *filtered = [data filteredArrayUsingPredicate:[N...
Reload .profile in bash shell script (in unix)?
I'm new to bash shell scripting, and have come across a challenge. I know I can reload my ".profile" file by just doing:
5 ...
How to get root access on Android emulator?
I have All Android SDK versions(from 1.5 to 2.3.3), and I tried many methods for getting root in Android emulator. I don't use any Android device and test everything on emulator(AVD).
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
...'t know how to rephrase it in order to make it easier to understand. Especially in these small comment-boxes. I recommend you read this: regular-expressions.info/lookaround.html and if you still have question, simply post a question of your own. Good luck!
– Bart Kiers
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How to generate gcc debug symbol outside the build target?
...R=Joe Developer joe.developer@somewhere.com
VCS: COMMIT_DATE=2013-12-19
All that is left is to check-out the original code, re-compile without optimizations, and start debugging.
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im...
Is the “struct hack” technically undefined behavior?
...rictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might issue warnings.)
The rationale behind the 'strictly conforming' bit is in the spec, section J.2 Undefined behavior, which includes in the list o...
Close and Dispose - which to call?
...and Dispose in the case of SqlConnectionObject is:
An application can call Close more
than one time. No exception is
generated.
If you called Dispose method
SqlConnection object state will be
reset. If you try to call any
method on disposed SqlConnection
object, you will receive...
How to compare if two structs, slices or maps are equal?
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@GeneralLeeSpeaking that's not true. From the cmp documentation: "Pointers are equal if the underlying values they point to are also equal"
– Ilia Choly
Dec 29 '18 at 18:11
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return statement vs exit() in main()
Should I use exit() or just return statements in main() ? Personally I favor the return statements because I feel it's like reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return...
UPDATE multiple tables in MySQL using LEFT JOIN
I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN.
5 Answers
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