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Learning Regular Expressions [closed]
...gramming language you're using. Languages such as Perl remove most of this complication, but you'll have to keep in mind other considerations if you're using regular expressions in a C program.
If you think of regular expressions as building blocks that you can mix and match as you please, it helps...
Scatterplot with too many points
... N=700K. The problem is that there is too much overlap, so that the plot becomes mostly a solid block of black. Is there any way of having a grayscale "cloud" where the darkness of the plot is a function of the number of points in an region? In other words, instead of showing individual points, I wa...
Regular expression to match non-ASCII characters?
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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
...ne form or other of the document that used to be at ftp://info.cern.ch/pub/www/doc/http-spec.txt starting in 1991, should anyone have an archive copy.
– Jon Hanna
Aug 27 '12 at 23:45
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Find rows that have the same value on a column in MySQL
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@jpaugh, might not want to use count(1) stackoverflow.com/questions/2710621/…
– Storm
Jun 6 '17 at 7:39
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The model used to open the store is incompatible with the one used to create the store
...ES, NSInferMappingModelAutomaticallyOption:@YES} (actually provided in the commented code in that method)
Here you go, have fun!
P.S. This only applies for lightweight migration. For your migration to qualify as a lightweight migration, your changes must be confined
to this narrow band:
Add or r...
How to remove all namespaces from XML with C#?
...""1.0"" encoding=""utf-16""?>
<ArrayOfInserts xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"">
<insert>
<offer xmlns=""http://schema.peters.com/doc_353/1/Types"">0174587</offer>
<type2 xmln...
How can I split a comma delimited string into an array in PHP?
I need to split my string input into an array at the commas.
10 Answers
10
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How do you round a floating point number in Perl?
... # 3
In 5.000 to 5.003 perls, trigonometry was done in the Math::Complex
module. With 5.004, the Math::Trig module (part of the standard Perl
distribution) implements the trigonometric functions. Internally it
uses the Math::Complex module and some functions can break out from the
real ax...
How to use shared memory with Linux in C
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try this code sample, I tested it, source: http://www.makelinux.net/alp/035
#include <stdio.h>
#include <sys/shm.h>
#include <sys/stat.h>
int main ()
{
int segment_id;
char* shared_memory;
struct shmid_ds shmbuffer;
int segment_size;
con...