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What is `git diff --patience` for?
How does the patience algorithm differ from the default git diff algorithm, and when would I want to use it?
3 Answers
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Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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What are Flask Blueprints, exactly?
...have read the official Flask documentation on Blueprints and even one or two blog posts on using them.
4 Answers
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Writing a list to a file with Python
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You can use a loop:
with open('your_file.txt', 'w') as f:
for item in my_list:
f.write("%s\n" % item)
In Python 2, you can also use
with open('your_file.txt', 'w') as f:
for item in my_list:
print >> f, item
If you're keen on a single function call, at ...
Should a RESTful 'PUT' operation return something
...that are applicable. Here is my interpretation:
HTTP status code 200 OK for a successful PUT of an update to an
existing resource. No response body needed. (Per Section 9.6, 204 No Content is even more appropriate.)
HTTP status code 201 Created for a successful PUT of a new
resource, with the most...
How do I install an old version of Django on virtualenv?
...You can see all the releases in the tags section of the Django code repository.
However to answer your question, don't use easy_install, use pip. (If it's not already installed, do easy_install pip, then never touch easy_install again). Now you can do:
pip install Django==1.0.4
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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What happens if you don't commit a transaction to a database (say, SQL Server)?
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As long as you don't COMMIT or ROLLBACK a transaction, it's still "running" and potentially holding locks.
If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back...
Traverse a list in reverse order in Python
...reversed() function:
>>> a = ["foo", "bar", "baz"]
>>> for i in reversed(a):
... print(i)
...
baz
bar
foo
To also access the original index, use enumerate() on your list before passing it to reversed():
>>> for i, e in reversed(list(enumerate(a))):
... print(i...
How to change a DIV padding without affecting the width/height ?
I have a div that I want to specify a FIXED width and height for, and also a padding which can be changed without decreasing the original DIV width/height or increasing it, is there a CSS trick for that, or an alternative using padding?
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