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Move all files except one
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If you use bash and have the extglob shell option set (which is usually the case):
mv ~/Linux/Old/!(Tux.png) ~/Linux/New/
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What is the “owning side” in an ORM mapping?
...-directional relations.
The mapping would create not only tables PERSONS and ID_DOCUMENTS, but would also create a third association table PERSONS_ID_DOCUMENTS:
CREATE TABLE PERSONS_ID_DOCUMENTS
(
persons_id bigint NOT NULL,
id_documents_id bigint NOT NULL,
CONSTRAINT fk_persons FOREIGN KEY...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...ins a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
6 ...
Paging UICollectionView by cells, not screen
I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the entire screen. I need the scrolling to stop at the begining of a cell. With paging enabled, the collection view scrolls the whole page, which is 2 cells at once, and then it stops.
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How do I use PHP to get the current year?
... out-of-date. How would I make the year update automatically with PHP 4 and PHP 5 ?
25 Answers
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2
...plot 's nice features like mapping additional factors to color, shape etc. and adding smoother?
3 Answers
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Undo working copy modifications of one file in Git?
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what's the difference between HEAD and HEAD^?
– hasen
Mar 28 '09 at 22:06
63
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GetType() can lie?
Based on the following question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type .
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Split list into smaller lists (split in half)
...mber of parts you want, not just split 'in half'):
EDIT: updated post to handle odd list lengths
EDIT2: update post again based on Brians informative comments
def split_list(alist, wanted_parts=1):
length = len(alist)
return [ alist[i*length // wanted_parts: (i+1)*length // wanted_parts]...
Removing X-Powered-By
...re is no direct security risk, but as David C notes, exposing an outdated (and possibly vulnerable) version of PHP may be an invitation for people to try and attack it.
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