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How do I test if a string is empty in Objective-C?
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You can check if [string length] == 0. This will check if it's a valid but empty string (@"") as well as if it's nil, since calling length on nil will also return 0.
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What's the point of 'const' in the Haskell Prelude?
Looking through the Haskell Prelude, I see a function const :
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How can I indent multiple lines in Xcode?
... select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;)
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Getting only Month and Year from SQL DATE
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Wayne Werner
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answered Nov 23 '09 at 14:24
MatBailieMatBa...
How can I find the method that called the current method?
..., how can I learn the name of the method that called the current method? I know all about System.Reflection.MethodBase.GetCurrentMethod() , but I want to go one step beneath this in the stack trace. I've considered parsing the stack trace, but I am hoping to find a cleaner more explicit way, someth...
How can I clear scrollback buffer in Tmux?
...he best I've come up with. Put this into your .tmux.conf file:
bind -n C-k clear-history
This binds ctrl-k to the tmux clear-history command. The -n after bind makes it so you don't have to issue the tmux command prefix (ctrl-b by default). I use bash, so ctrl-l already does the equivalent of ...
Get list of databases from SQL Server
...he list of available databases on a SQL Server instance? I'm planning to make a list of them in a combo box in VB.NET.
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How to find a text inside SQL Server procedures / triggers?
I have a linkedserver that will change. Some procedures call the linked server like this: [10.10.100.50].dbo.SPROCEDURE_EXAMPLE . We have triggers also doing this kind of work. We need to find all places that uses [10.10.100.50] to change it.
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Behaviour of final static method
...orphism, the call ts() in A will never be redirected to the one in B.
The keyword final will disable the method from being hidden. So they cannot be hidden and an attempt to do so will result in a compiler error.
Hope this helps.
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How can I grep hidden files?
I am searching through a Git repository and would like to include the .git folder.
10 Answers
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