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Extract elements of list at odd positions
So I want to create a list which is a sublist of some existing list.
5 Answers
5
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Unable to copy ~/.ssh/id_rsa.pub
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DISPLAY=:0 xclip -sel clip < ~/.ssh/id_rsa.pub didn't work for me (ubuntu 14.04), but you can use :
cat ~/.ssh/id_rsa.pub
to get your public key
share
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How to play with Control.Monad.Writer in haskell?
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The package Control.Monad.Writer does not export the data constructor Writer. I guess this was different when LYAH was written.
Using the MonadWriter typeclass in ghci
Instead, you create writers using the writer function. For example, in a ghci session I can do
gh...
Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]
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Expanding on someone else's answer:
<script>
var myvar = <?php echo json_encode($myVarValue); ?>;
</script>
Using json_encode() requires:
PHP 5.2.0 or greater
$myVarValue encoded as UTF-8 (or US-ASCII,...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...qlclient to install the libraries required to use MySQLdb as it currently exists. The following SO question was a helpful clue: Python 3 ImportError: No module named 'ConfigParser' . Installing mysqlclient will install mysqlclient, mysql-connector, and llvmdev (at least, it installed these 3 librari...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...*
*/
#ifndef _TLSF_H_
#define _TLSF_H_
#include <sys/types.h>
extern size_t init_memory_pool(size_t, void *);
extern size_t get_used_size(void *);
extern size_t get_max_size(void *);
extern void destroy_memory_pool(void *);
extern size_t add_new_area(void *, size_t, void *);
extern ...
Convert a character digit to the corresponding integer in C
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As per other replies, this is fine:
char c = '5';
int x = c - '0';
Also, for error checking, you may wish to check isdigit(c) is true first. Note that you cannot completely portably do the same for letters, for example:
char c = 'b';
int x = c - 'a'; // x is now not necessari...
Split comma-separated strings in a column into separate rows
...lez Inarritu,Benicio Del Toro", "Alejandro González Iñárritu",
"Alex Proyas", "Alexander Hall", "Alfonso Cuaron", "Alfred Hitchcock",
"Anatole Litvak", "Andrew Adamson,Marilyn Fox", "Andrew Dominik",
"Andrew Stanton", "Andrew Stanton,Lee Unkrich", "Angelina Jolie,John Stevenson",
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Generate random numbers with a given (numerical) distribution
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it does exactly the same w.r.t. to the original question. E.g.: numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
– Eugene Pakhomov
Jun 20 '16 at 12:17
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How to create index in Entity Framework 6.2 with code first
Is there a way to create an index on a property/column using code-first, instead of using the new IndexAttribute ?
10 Ans...