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Get the IP address of the machine
...rivially to work on any o/s. All of the solutions above give me compiler errors depending on the phase of the moon. The moment there's a good POSIX way to do it... don't use this (at the time this was written, that wasn't the case).
// ifconfig | perl -ne 'print "$1\n" if /inet addr:([\d.]+)/'
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What does `kill -0 $pid` in a shell script do?
...pages:
kill(1)
$ man 1 kill
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If sig is 0, then no signal is sent, but error checking is still performed.
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kill(2)
$ man 2 kill
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If sig is 0, then no signal is sent, but error checking is still performed; this
can be used to check for the existence of a process ID or process group ID.
...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
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Distribution Fitting with Sum of Square Error (SSE)
This is an update and modification to Saullo's answer, that uses the full list of the current scipy.stats distributions and returns the distribution with the least SSE between the distribution's histogram and the...
How to convert a char array back to a string?
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Ruby on Rails - Import Data from a CSV file
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I have this error, do you know why?: ActiveModel::UnknownAttributeError: unknown attribute 'siren;nom_ent;adresse;complement_adresse;cp_ville;pays;region;departement;activite;date;nb_salaries;nom;prenom;civilite;adr_mail;libele_acti;cate...
Constant pointer vs Pointer to constant [duplicate]
...pointer
constant_pointer.c: In function ‘main’:
constant_pointer.c:13: error: increment of read-only variable ‘ptr’
Hence we see very clearly above that compiler complains that we cannot changes the address held by a constant pointer.
Pointer to Constants
#include<stdio.h>
int mai...
How to elegantly ignore some return values of a MATLAB function?
...e , isn't optional. Just typing [~ ~ var] will not work, and will throw an error.
See the release notes for details.
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
...80
When you press "Start" the application can still say that you have an error like "Port 80 in use by "Unable to open process" with PID..." but it will still work.
If the error includes "Port 443 in use by "Unable to open process" with PID..." you need to change both httpd.conf and httpd-ssl.con...
specify project file of a solution using msbuild
...ains any of the characters %, $, @, ;, ., (, ), or ', replace them with an _ in the specified target name.
You can also build multiple projects at once:
msbuild test.sln /t:project;project2 /p:Configuration="Release" /p:Platform="x86" /p:BuildProjectReferences=false
To rebuild or clean, change ...
What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
...he exception in your global exception handler:
protected void Application_Error(object sender, EventArgs e)
{
Exception ex = Server.GetLastError();
//TODO
}
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