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www-data permissions?
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...s postcode , first name , last name , town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way because Ruby on Rails migrations map String fields to VARCH...
How do I get logs/details of ansible-playbook module executions?
...fg in the current directory where you ran ansible-playbook
~/.ansible.cfg
/etc/ansible/ansible.cfg
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Change working directory in my current shell context when running Node script
...s not possible. The reason for this is that in a POSIX system (Linux, OSX, etc), a child process cannot modify the environment of a parent process. This includes modifying the parent process's working directory and environment variables.
When you are on the commandline and you go to execute your No...
How do you use the ellipsis slicing syntax in Python?
... a = arange(16).reshape(2,2,2,2)
Now, you have a 4-dimensional matrix of order 2x2x2x2. To select all first elements in the 4th dimension, you can use the ellipsis notation
>>> a[..., 0].flatten()
array([ 0, 2, 4, 6, 8, 10, 12, 14])
which is equivalent to
>>> a[:,:,:,0].f...
What is the most efficient way to deep clone an object in JavaScript?
...oning objects is not trivial (complex types, circular references, function etc.), most major libraries provide function to clone objects. Don't reinvent the wheel - if you're already using a library, check if it has an object cloning function. For example,
lodash - cloneDeep; can be imported separ...
Convert Python program to C/C++ code? [closed]
...Looks like it might be a good replacement for pyinstaller, py2exe, py2app, etc. The --recurse-*** flags are important to set properly though.
– ccpizza
Jul 24 '16 at 8:23
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How to enable cURL in PHP / XAMPP
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On Debian with Apache 2:
apt-get install php5-curl
/etc/init.d/apache2 restart
(php4-curl if it's php4)
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How do I prevent an Android device from going to sleep programmatically?
... need to be sure you have the WAKE_LOCK permission set in your manifest in order to use this method.
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In C# what is the difference between a destructor and a Finalize method in a class?
...nmanaged recources in the dispose
method like database connection, files etc. The class implementing
dispose method should implement IDisposable interface.A Dispose method
should call the GC.SuppressFinalize method for the object it is
disposing if the class has desturctor because it has alr...