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Retrieve a single file from a repository
...data transferred and disk space used) to get the contents of a single file from a remote git repository?
21 Answers
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List comprehension: Returning two (or more) items for each item
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>>> from itertools import chain
>>> f = lambda x: x + 2
>>> g = lambda x: x ** 2
>>> list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f...
Determine distance from the top of a div to top of window with javascript
...elementOffset - scrollTop);
The distance variable now holds the distance from the top of the #my-element element and the top-fold.
Here is a demo: http://jsfiddle.net/Rxs2m/
Note that negative values mean that the element is above the top-fold.
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Deny all, allow only one IP through htaccess
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order deny,allow
deny from all
allow from <your ip>
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MySQL Delete all rows from table and reset ID to zero
I need to delete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
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What Git branching models work for you?
... remote repo you need
you can publish (push) to any (bare) repo you want
From that, you can respect a few rules to make your questions easier:
only rebase a branch if it hasn't been pushed (not pushed since the last rebase)
only push to a bare repo (mandatory since Git1.7)
follow Linus's advices...
Android buildscript repositories: jcenter VS mavencentral
...ses many additional repositories and artifacts.
In different scenarios and from different countries Bintray is faster than Maven Central (e.g. from Israel). In others it is very close. Since Maven Central and Bintray use different CDNs which adaptively favor regions, this might change to both ways.
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When should I use mmap for file access?
...great if you have multiple processes accessing data in a read only fashion from the same file, which is common in the kind of server systems I write. mmap allows all those processes to share the same physical memory pages, saving a lot of memory.
mmap also allows the operating system to optimize p...
Read a file line by line assigning the value to a variable
...an argument line by line:
while IFS= read -r line; do
echo "Text read from file: $line"
done < my_filename.txt
This is the standard form for reading lines from a file in a loop. Explanation:
IFS= (or IFS='') prevents leading/trailing whitespace from being trimmed.
-r prevents backslash e...
How do I remove a submodule?
... Currently using "git rm" on a submodule removes the submodule's work tree from that of the superproject and the gitlink from the index.
But the submodule's section in .gitmodules is left untouched, which is a leftover of the now removed submodule and might irritate users (as opposed to the settin...