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How to validate an Email in PHP?
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See the notes at http://www.php.net/manual/en/function.ereg.php:
Note:
As of PHP 5.3.0, the regex extension is deprecated in favor of
the PCRE extension. Calling this
function will issue an E_DEPRECATED
notice. See the list of differen...
How can I take more control in ASP.NET?
... Stack Overflow'rs if I ever get it done. I'm hosting it on my C# in Depth site, which is vanilla ASP.NET 3.5 (i.e. not MVC).
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Quit and restart a clean R session from within R?
...\"")); q("no") }, .GlobalEnv)
On windows you need to modify the Rprofile.site file. It is under R's etc directory. Also watch out for the last part of the path the bin/x64 can change according to your system configuration. I hope this will help others too.
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How to do a recursive find/replace of a string with awk or sed?
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find /home/www \( -type d -name .git -prune \) -o -type f -print0 | xargs -0 sed -i 's/subdomainA\.example\.com/subdomainB.example.com/g'
-print0 tells find to print each of the results separated by a null character, rather than a new...
In Intellij, how do I toggle between camel case and underscore spaced?
...bove" so please avoid using "above" or "below" to describe content on this site, instead give the author's name, thanks
– Eric Aya
Feb 13 '19 at 16:52
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How to programmatically cause a core dump in C/C++
...ng: check out glibc backtrace() and backtrace_symbols() functions:
http://www.gnu.org/s/libc/manual/html_node/Backtraces.html
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...operlyConfigured: Error loading MySQLdb module: dlopen(/Library/Python/2.7/site-packages/MySQL_python-1.2.4b4-py2.7-macosx-10.8-intel.egg/_mysql.so, 2): Library not loaded: libmysqlclient.18.dylib
Referenced from: /Library/Python/2.7/site-packages/MySQL_python-1.2.4b4-py2.7-macosx-10.8-intel.egg/_my...
What is the effect of encoding an image in base64?
...843
Or using an image:
$ cat my.png|base64|wc -c
Base64-images and websites
This question is much more difficult to answer. Generally speaking, as larger the image as less sense using base64. But consider the following points:
A lot of embedded images in an HTML-File or CSS-File can have sim...
IIS7 Overrides customErrors when setting Response.StatusCode?
... my case, I'm using a custom 404 to send users to different sections of my site, so I don't want a 404 status code returned unless it actually is a dead page.
Anyway, that's how I did it. Hope that helps someone.
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How to display unique records from a has_many through relationship?
...erfectly:
has_many :regions, -> { order(:name).distinct }, through: :sites
I couldn't get any of the other answers to work.
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