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extract part of a string using bash/cut/split
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To extract joebloggs fro<em>mem> this string in bash using para<em>mem>eter expansion without any extra processes...
<em>Mem>YVAR="/var/cpanel/users/joebloggs:DNS9=do<em>mem>ain.co<em>mem>"
NA<em>Mem>E=${<em>Mem>YVAR%:*} # retain the part before the colon
NA<em>Mem>E=${NA<em>Mem>E##*/} # retain the part af...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
Right-clicking the Exit icon yields an e<em>mem>pty window. Can't Ctrl-drag a connection to any IB ele<em>mem>ents or corresponding source files. Docs give no love. Doesn't appear in nib files, only storyboards. <em>Mem>y assu<em>mem>ption is that it's a corollary to segues, but I don't see any new <em>mem>ethods to back it up. Anyon...
Difference between HEAD and <em>mem>aster
What is the difference between the HEAD and <em>mem>aster in Git?
3 Answers
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What is the difference between Caching and <em>Mem>e<em>mem>oization?
I would like to know what the actual difference between caching and <em>mem>e<em>mem>oization is.
As I see it, both involve avoiding repeated function calls to get data by storing it .
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How can I extract a good quality JPEG i<em>mem>age fro<em>mem> a video file with ff<em>mem>peg?
Currently I a<em>mem> using this co<em>mem><em>mem>and to extract the i<em>mem>ages:
2 Answers
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What are the differences between the BLOB and TEXT datatypes in <em>Mem>ySQL?
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TEXT and CHAR will convert to/fro<em>mem> the character set they have associated with ti<em>mem>e. BLOB and BINARY si<em>mem>ply store bytes.
BLOB is used for storing binary data while Text is used to store large string.
BLOB values are treated as binary strings (byte strings)...
Is there a ti<em>mem>eout for idle PostgreSQL connections?
I see a lot of the<em>mem>. We are trying to fix our connection leak. But <em>mem>eanwhile, we want to set a ti<em>mem>eout for these idle connections, <em>mem>aybe <em>mem>ax to 5 <em>mem>inute.
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Android onCreate or onStartCo<em>mem><em>mem>and for starting service
Usually when I create an Android service I i<em>mem>ple<em>mem>ent the onCreate <em>mem>ethod, but in <em>mem>y last project this does not work. I tried i<em>mem>ple<em>mem>enting onStartCo<em>mem><em>mem>and , and this see<em>mem>s to work.
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Apply a function to every row of a <em>mem>atrix or a data fra<em>mem>e
Suppose I have a n by 2 <em>mem>atrix and a function that takes a 2-vector as one of its argu<em>mem>ents. I would like to apply the function to each row of the <em>mem>atrix and get a n-vector. How to do this in R?
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Prevent wrapping of span or div
I'd like to put a group of div ele<em>mem>ents of fixed width into a container and have the horizontal scroll bar appeared. The div / span ele<em>mem>ents should appear in a line, left to right in the order they appear in the HT<em>Mem>L (essentially unwrapped).
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