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PHP mkdir: Permission denied problem
...sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R g+rw /path/to/webserver/www
The php mkdir() function should now wor...
Server is already running in Rails
When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
...
What does an exclamation mark mean in the Swift language?
...d optionals should not be used when there is a possibility of a variable becoming nil at a later point. Always use a normal optional type if you need to check for a nil value during the lifetime of a variable.
Update 2:
The article "Interesting Swift Features" by Mike Ash gives some motivation fo...
Xcode Simulator: how to remove older unneeded devices?
...s
please also delete the corresponding .dmg file in
~/Library/Caches/com.apple.dt.Xcode/Downloads
to prevent Xcode from re-installing the same package again.
for XCode >= 6 see @praveen-matanam 's answer
shar...
How to specify a port number in SQL Server connection string?
...y an instance name when specifying the port.
Lots more examples at http://www.connectionstrings.com/. It's saved me a few times.
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Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappi
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Common cause for this error is WebDAV. Make sure you uninstall it.
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Why can't the tag contain a tag inside it?
...r allowed containment relations is the HTML spec. See, for example, http://www.w3.org/TR/html4/sgml/dtd.html. It specifies which elements are block elements and which are inline. For those lists, search for the section marked "HTML content models".
For the P element, it specifies the following, whi...
Spring DAO vs Spring ORM vs Spring JDBC
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Could not reliably determine the server's fully qualified domain name
...t 172.20.30.40:80 <VirtualHost 172.20.30.40:80> ServerName www.example1.com DocumentRoot /home/user/Softwares/mysite/ </VirtualHost>** But still I am getting below error message.. **Starting httpd: Warning: DocumentRoot [/home/user/Softwares/mysite] does not exist ht...
How do you rename a table in SQLite 3.0?
...ded is a simple example of how that works. You can find that here: https://www.sqlitetutorial.net/sqlite-alter-table/
To be precise, in the most basic case it looks like this:
ALTER TABLE existing_table
RENAME TO new_table;
I am not sure if the dot notation works, but I assume that the followin...