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how to get first three characters of an NSString?
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note: "Range or index out of bounds" error possible if you don't check the length to make sure it has 3 or more characters long
– Ryan Bavetta
Mar 29 '12 at 4:01
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How does the “this” keyword work?
...e word immediate..." no you didn't. Can you please revise this so that the error is fixed? It seems semantic to the answer and thus I can't continue reading until the error is fixed for fear of learning something incorrect.
– TylerH
Aug 4 '14 at 14:09
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How to increase font size in the Xcode editor?
...ects you have open in Xcode"? I don't know if it's expected behavior or my error, however in Xcode Version 5.1 (5B130a), I can't change fonts if there are any projects currently open.
– original_username
Mar 17 '14 at 9:07
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How to change MySQL data directory?
...e' and 'journalctl -xn' for details when trying to restart mysqld, and the error is that the disk is full. It's got 500GB of free space...
– Frank H.
Mar 13 '17 at 22:03
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How to format a JavaScript date
...use the current locale, passing null for the first parameter will cause an error. Use undefined instead.
For different languages:
"en-US": For English
"hi-IN": For Hindi
"ja-JP": For Japanese
You can use more language options.
For example
var options = { weekday: 'long', year: 'numeric',...
CSS selector with period in ID
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This may work in some browsers, but I have seen errors thrown for attribute selectors as well. You can still escape the ., as \. though.
– Chris Jaynes
Jan 20 '15 at 15:02
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
... a HashSet ) keyed on a custom protocol in Swift, but it is giving me the error in the title:
2 Answers
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String formatting: % vs. .format vs. string literal
...ere %s" % name
yet, if name happens to be (1, 2, 3), it will throw a TypeError. To guarantee that it always prints, you'd need to do
"hi there %s" % (name,) # supply the single argument as a single-item tuple
which is just ugly. .format doesn't have those issues. Also in the second example yo...
How to assign the output of a command to a Makefile variable
...to the Makefile, will you get this? Probably not. You will probably get an error like what is reported here:
makefile:4: *** missing separator. Stop
Why: Because although I personally used a genuine tab, Stack Overflow (attempting to be helpful) converts my tab into a number of spaces. You, frustr...
How to concatenate strings with padding in sqlite
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Query Error: no such function: printf Unable to execute statement select printf('%s.%s', id, url ) from mytable limit 7. My version is 3.8.2 2014-12-06. What version are you using?
– Berry Tsakala
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