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List columns with indexes in PostgreSQL
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What is the difference between vmalloc and kmalloc?
... This was true of earlier kernels. On recent kernels (I tested this on 2.6.33.2), max size of a single kmalloc is up to 4 MB! (I wrote a fairly detailed post on this.) — kaiwan
For a system call you don't need to pass GFP_ATOMIC to kmalloc(), you can use GFP_KERNEL. You're not an interrupt handl...
How to remove all whitespace from a string?
So " xx yy 11 22 33 " will become "xxyy112233" . How can I achieve this?
9 Answers
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Difference between Covariance & Contra-variance
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edited Jan 10 '17 at 14:13
answered Feb 4 '10 at 18:58
Eri...
What does f+++++++++ mean in rsync logs?
...tter with a "+", (2) an identical item replaces the dots with spaces, and (3) an unknown attribute replaces each letter with a "?" (this can happen when talking to an older rsync).
The attribute that is associated with each letter is as follows:
A c means either that a regular file has a differen...
How to convert IEnumerable to ObservableCollection?
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answered Aug 24 '10 at 18:39
Scott ChamberlainScott Chamberlain
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converting a .net Func to a .net Expression
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Edward Brey
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answered Apr 20 '09 at 10:43
Mehrdad Af...
Get second child using jQuery
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356
grab the second child:
$(t).children().eq(1);
or, grab the second child <td>:
$(t).c...
How to change value of process.env.PORT in node.js?
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For just one run (from the unix shell prompt):
$ PORT=1234 node app.js
More permanently:
$ export PORT=1234
$ node app.js
In Windows:
set PORT=1234
In Windows PowerShell:
$env:PORT = 1234
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Why does casting int to invalid enum value NOT throw exception?
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edited May 23 '17 at 10:31
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answered Jun 20 '11 at 15:41
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