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vim command to restructure/force text to 80 columns
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Set textwidth to 80 (:set textwidth=80), move to the start of the file (can be done with Ctrl-Home or gg), and type gqG.
gqG formats the text starting from the current position and to the end of the file. It will automatically join consecutive lines when possible. You can plac...
How to Diff between local uncommitted changes and origin
Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
What is the minimum I have to do to create an RPM file?
... wiki.centos.org/HowTos/SetupRpmBuildEnvironment. But this guide is a good start for me in learning the inner workings of rpm
– icasimpan
Mar 10 '14 at 5:57
4
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Configure nginx with multiple locations with different root folders on subdomain
... Location directive system is
Like you want to forward all request which start /static and your data present in /var/www/static
So a simple method is separated last folder from full path , that means
Full path : /var/www/static
Last Path : /static and First path : /var/www
location <last...
How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...ally set the offset for the region you want it for. Then manually find the start and finish for the DST for the same region (if any). Then you want to check if the time for that region is inside the DST range or not, and then update the offset correspondingly with +1. This makes it possible to compa...
Are PHP short tags acceptable to use?
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Starting with PHP 5.4, the echo shortcut is a separate issue from short tags, as the echo shortcut will always be enabled. It's a fact now:
SVN Revision by Rasmus Lerdorf
Mailing list discussion
So the echo shortcut itsel...
Push existing project into Github
... here are some additional tips because I know how frustrating it is to get started with git.
Let's say that you have already started your project locally. How much you have does not matter. But let's pretend that you have a php project. Let's say that you have the index.php, contact.php and an asset...
.net implementation of bcrypt
...ing password = "PASSWORD";
const int workFactor = 13;
var start = DateTime.UtcNow;
var hashed = BCrypt.Net.BCrypt.HashPassword(password, workFactor);
var end = DateTime.UtcNow;
Console.WriteLine("hash length is {0} chars", hashed.Length);
Console.Wri...
What are file descriptors, explained in simple terms?
...cter device files. You can check this with: ls -l /dev/pts/6 and they will start with c, in my case crw--w----.
Just to recall most Linux like OS define seven types of files:
Regular files
Directories
Character device files
Block device files
Local domain sockets
Named pipes (FIFOs) and
Symb...
Difference between two dates in Python
...eed the following:
import datetime
end_date = datetime.datetime.utcnow()
start_date = end_date - datetime.timedelta(days=8)
difference_in_days = abs((end_date - start_date).days)
print difference_in_days
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