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How to create function that returns nothing
I want to write a function with pl/pgsql .
I'm using PostgresEnterprise Manager v3 and using shell to make a function, but in the shell I must define return type. If I don't define the return type, I'm not able to create a function.
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What is the difference between Lisp-1 and Lisp-2?
I have tried to understand the difference between Lisp-1 and Lisp-2 and how this relates to Clojure but I still do not understand properly. Can anyone enlighten me?
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How do I create a SHA1 hash in ruby?
SHA Hash functions
4 Answers
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Error: Jump to case label
I wrote a program which involves use of switch statements... However on compilation it shows:
4 Answers
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Checking for a dirty index or untracked files with Git
How can I check if I have any uncommitted changes in my git repository:
14 Answers
14
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Is “ ” a replacement of “ ”?
In my ASP.NET application, I was trying to add few white spaces between two text boxes by typing space bar. The equivalent HTML source was   instead of   . So I just wanted to check: is this the new replacement for white space? If yes, any idea why they changed?
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Should I delete the cgi-bin folder in a subdomain I just created?
Using cpanel on my hosting account, I created a subdomain - e.g. www.clothing.mysite.com
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Removing a model in rails (reverse of “rails g model Title…”)
How can I completely remove this model? Thanks
5 Answers
5
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NSDefaultRunLoopMode vs NSRunLoopCommonModes
Whenever I try to download a big file behind UIScrollView , MPMapView or something, the downloading process gets halted as soon as I touch iPhone screen. Thankfully, an awesome blog post by Jörn suggests an alternative option, using NSRunLoopCommonModes for connection.
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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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