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NSLog the method name with Objective-C in iPhone
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print(__FUNCTION__) // Swift
NSLog(@"%@", NSStringFromSelector(_cmd)); // Objective-C
Swift 3 and above
print(#function)
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What is “overhead”?
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Overhead typically reffers to the amount of extra resources (memory, processor, time, etc.) that different programming algorithms take.
For example, the overhead of inserting into a balanced Binary Tree could be much larger than the same insert into a simple Linked Li...
Remove the last three characters from a string
I want to remove last three characters from a string:
14 Answers
14
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...lower! For now, I've split things up into two hosts entries (with the same IP address) and it seems to be going fine.
– Alex Ghiculescu
Apr 15 '13 at 6:46
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What to do with “Unexpected indent” in python?
... statement). All lines of code in a block must start with exactly the same string of whitespace. For instance:
>>> def a():
... print "foo"
... print "bar"
IndentationError: unexpected indent
This one is especially common when running python interactively: make sure you don't put a...
Keep only first n characters in a string?
Is there a way in JavaScript to remove the end of a string?
7 Answers
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How to bind inverse boolean properties in WPF?
... of effort to separate what they feel is "code" from those poor designers. Extra extra painful when I’m both the coder and the designer.
– Roman Starkov
Apr 14 '12 at 14:48
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Why does sizeof(x++) not increment x?
...efit to compile-time resolution of the sizeof() operator when working with strings. If you have a string that is initialized as a quoted string, instead of using strlen(), where the character array comprising the string has to be scanned for the null-terminator at run time, sizeof(quoted_string) is ...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...ds names - 1 per line
-q [ --query ] arg query filter, as a JSON string
--csv export to csv instead of json
-o [ --out ] arg output file; if not specified, stdout is used
--jsonArray output to a json array rather than one object per
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