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What does void* mean and how to use it?
...elements of the array. It gets called like so:
int iArr[10];
double dArr[30];
long lArr[50];
...
qsort(iArr, sizeof iArr/sizeof iArr[0], sizeof iArr[0], compareInt);
qsort(dArr, sizeof dArr/sizeof dArr[0], sizeof dArr[0], compareDouble);
qsort(lArr, sizeof lArr/sizeof lArr[0], sizeof lArr[0], comp...
Guid is all 0's (zeros)?
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436
Use the static method Guid.NewGuid() instead of calling the default constructor.
var responseO...
Remove unused references (!= “using”)
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Răzvan Flavius Panda
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answered Sep 5 '09 at 8:19
jlojlo
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Name node is in safe mode. Not able to leave
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213
In order to forcefully let the namenode leave safemode, following command should be executed:
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How can I merge two commits into one if I already started rebase?
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$ git rebase --abort
Say your history is
$ git log --pretty=oneline
a931ac7c808e2471b22b5bd20f0cad046b1c5d0d c
b76d157d507e819d7511132bdb5a80dd421d854f b
df239176e1a2ffac927d8b496ea00d5488481db5 a
That is, a was the first commit, then b, and finally c. After committing c we decide to squash b...
Which letter of the English alphabet takes up most pixels?
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13 Answers
13
Active
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PostgreSQL: How to pass parameters from command line?
...You can use the -v construct e.g
psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'"
and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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Java ByteBuffer to String
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answered Jun 28 '13 at 0:06
Andy ThomasAndy Thomas
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What is the Swift equivalent of respondsToSelector?
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ErikErik
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How to add a button dynamically in Android?
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Taryn♦
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answered Dec 5 '09 at 10:36
niconico
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