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How to retrieve a single file from a specific revision in Git?
...in the "source" (-s) commit SHA1 or branch somebranch.
To restore also the index:
git restore -s <SHA1> -SW -- afile
(-SW: short for --staged --worktree)
Using low-level git plumbing commands
Before git1.5.x, this was done with some plumbing:
git ls-tree <rev>
show a list of one or more...
Select random lines from a file
... @MonaJalal nope just faster, since it doesn't have to compare lines at all.
– rogerdpack
May 15 '17 at 17:20
Does ...
JavaScript OOP in NodeJS: how?
...onstructor.apply( this, arguments );
}
//Pointless override to show super calls
//note that for performance (e.g. inlining the below is impossible)
//you should do
//method.$getAge = _super.getAge;
//and then use this.$getAge() instead of super()
method.getAge = function() {
return _super.getAge...
How to generate a Dockerfile from an image?
... /etc/apt/apt.conf.d/docker-no-languages
&& echo 'Acquire::GzipIndexes "true"; Acquire::CompressionTypes::Order:: "gz";' > /etc/apt/apt.conf.d/docker-gzip-indexes
&& echo 'Apt::AutoRemove::SuggestsImportant "false";' > /etc/apt/apt.conf.d/docker-autoremove-suggests
RUN ...
How to convert a Binary String to a base 10 integer in Java
...
Did anyone test this before? here number.length minus the index plus 1 is been multiply by 2, if i am not mistaken in bynary you start with 1 and multiply that value by 2 then grab the result and multiply that one by 2 that will be your 3 place and so on
– Chr...
How to round a number to significant figures in Python
...
round_sig = lambda f,p: float(('%.' + str(p) + 'e') % f) allows you to adjust the number of significant digits!
– denizb
Aug 6 '17 at 22:43
...
What is the LD_PRELOAD trick?
...ibrary (including the C runtime, libc.so). So to run ls with your special malloc() implementation, do this:
$ LD_PRELOAD=/path/to/my/malloc.so /bin/ls
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...uld be noticeable impact.
Enumerable.Empty does not create an object per call thus putting less load on GC.
If the code is in low-throughput location, then it boils down to aesthetic considerations though.
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Check if Key Exists in NameValueCollection
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You need to know index of the key to call the method. Don't you?
– abatishchev
Mar 26 '12 at 8:33
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Can Selenium Webdriver open browser windows silently in background?
...um RC?
You can 'supposedly', pass in some parameters into Chrome, specifically: --no-startup-window
Note that for some browsers, especially IE, it will hurt your tests to not have it run in focus.
You can also hack about a bit with AutoIT, to hide the window once it's opened.
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