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How to create the most compact mapping n → isprime(n) up to a limit N?
Naturally, for bool isprime(number) there would be a data structure I could query.
I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could rep...
Mechanisms for tracking DB schema changes [closed]
...gher than VERSION, execute them in order
If one of the files produced an error: roll back to the backup
Otherwise, update the version in the bookkeeping table to the highest .sql file executed.
Everything goes into source control, and every installation has a script to update to the latest ...
Check if $_POST exists
...sts and if it does, print it inside another string, if not, don't print at all.
14 Answers
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How to invoke the super constructor in Python?
In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work.
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How to get the size of a JavaScript object?
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The 'bytes+= recurse( value[i] )' line, throws an error in my FF 14.01: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIDOMHTMLInputElement.selectionStart]. On one of my Object, if I try a different one, it doesn't, maybe a browser bug, o...
java SSL and cert keystore
...et javax.xml.ws.WebServiceException: org.apache.axis2.AxisFault: Transport error: 403 Error: Forbidden error when I call the client code through the SOAP generated stubs. Any ideas?
– james2611nov
Mar 10 '15 at 21:25
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How to concatenate stdin and a string?
... This works for me in bash, but in zsh I get "cat: -: Input/output error". Any idea what could cause this?
– jaymmer - Reinstate Monica
Oct 17 '16 at 8:09
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How do getters and setters work?
... Void is actually necessary here. If you don't have it you get: error: invalid method declaration; return type required
– Dan
Aug 18 '14 at 8:21
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Subscripts in plots in R
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answered Apr 14 '12 at 19:05
smusmu
7,04722 gold badges1616 silver badges1414 bronze badges
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How to unstage large number of files without deleting the content
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I got the following error. I never committed these items before. $ git reset HEAD fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree. Use '--' to separate paths from revisions
– sarat
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