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What is the difference between sed and awk? [closed]
...orks with streams of characters on a per-line basis. It has a primitive programming language that includes goto-style loops and simple conditionals (in addition to pattern matching and address matching). There are essentially only two "variables": pattern space and hold space. Readability of scripts...
What are the differences between Abstract Factory and Factory design patterns?
I know there are many posts out there about the differences between these two patterns, but there are a few things that I cannot find.
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How to include a quote in a raw Python string
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If you want to use double quotes in strings but not single quotes, you can just use single quotes as the delimiter instead:
r'what"ever'
If you need both kinds of quotes in your string, use a triple-quoted string:
r"""what"ev'er"""
If you want to include both ...
Retaining file permissions with Git
...web server as described in Version control for my web server , by creating a git repo out of my /var/www directory . My hope was that I would then be able to push web content from our dev server to github, pull it to our production server, and spend the rest of the day at the pool.
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Read first N lines of a file in python
We have a large raw data file that we would like to trim to a specified size.
I am experienced in .net c#, however would like to do this in python to simplify things and out of interest.
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How can I get a list of all classes within current module in Python?
I've seen plenty of examples of people extracting all of the classes from a module, usually something like:
11 Answers
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String comparison using '==' vs. 'strcmp()'
...to use it is because strcmp
returns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.
=== only returns true or false, it doesn't tell you which is the "greater" string.
sha...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
I created a Rails application, using Rails 4.1, from scratch and I am facing a strange problem that I am not able to solve.
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How to concatenate stdin and a string?
How to I concatenate stdin to a string, like this?
9 Answers
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What are the differences between git remote prune, git prune, git fetch --prune, etc
My situation is this... someone working on the same repo has deleted a branch from his local & remote repo...
4 Answers
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