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How to remove illegal characters from path and filenames?
I need a robust and simple way to remove illegal path and file characters from a simple string. I've used the below code but it doesn't seem to do anything, what am I missing?
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Does return stop a loop?
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@o-o Sort of true. return still returns from the current iteration of the function callback, in its own scope, but would not be expected to break from the entire calling method forEach(). So it isn't returning from the loop itself, but it is returning from the call...
NSRange to Range
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@Zaph: since the range comes from the UITextField, which is written in Obj-C against NSString, I suspect that only valid ranges based on the unicode characters in the string would be provided by the delegate callback, and so this is safe to use, but I ha...
Scala downwards or decreasing for loop?
... until that you can use in place of to to exclude the right-hand end-point from the range. The left-hand endpoint is always included.
– Randall Schulz
Apr 13 '10 at 14:26
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Configuring Log4j Loggers Programmatically
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Logger.getLogger("com.fizz").addAppender(newAppender)
then logging from fizz will be handled by alle the appenders from the root logger and the newAppender.
You don't create Loggers with the configuration, you just provide handlers for all possible categories in your system.
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Django, creating a custom 500/404 error page
...s there anything I should be checking for that would prevent a custom page from showing up?
14 Answers
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Is key-value observation (KVO) available in Swift?
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Since this wasn't clear to me from @fabb's comment: use the dynamic keyword for any properties inside of a class you'd like to be KVO compliant (not the dynamic keyword on the class itself). This worked for me!
– Tim Arnold
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Do Git tags only apply to the current branch?
...anches - they only ever identify a commit.
That commit can be pointed to from any number of branches - i.e., it can be part of the history of any number of branches - including none.
Therefore, running git show <tag> to see a tag's details contains no reference to any branches, only the ID ...
Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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Merging 2 branches together in GIT
...B
# hack hack
$ git commit -am "commit on branch B"
# create new branch C from A
$ git checkout -b C A
# hack hack
$ git commit -am "commit on branch C"
# go back to branch A
$ git checkout A
# hack hack
$ git commit -am "commit on branch A"
so now there are three separate branches (namely A B a...