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Git and Mercurial - Compare and Contrast
...ry
A symbolic ref name, e.g. 'master' (referring to 'master' branch), or 'v1.5.0' (referring to tag), or 'origin/next' (referring to remote-tracking branch)
A suffix ^ to revision parameter means the first parent of a commit object, ^n means n-th parent of a merge commit. A suffix ~n to revision p...
How to create a release signed apk file using Gradle?
...ASE_KEY_PASSWORD
// Optional, specify signing versions used
v1SigningEnabled true
v2SigningEnabled true
}
}
buildTypes {
release {
signingConfig signingConfigs.release
}
}
....
Then you can run gradle assembleRelease
Also see the reference f...
show all tags in git log
... "git cat-file -p <tag>", where <tag> is heavyweight tag, e.g. v1.6.3 in git.git repository),
and also is default name of tag reference (reference in "refs/tags/*" namespace) pointing to a tag object.
Note that the tag reference (appropriate reference in the "refs/tags/*" namespace)...
Are custom elements valid HTML5?
... excellent walk through article on Google Developers about Custom Elements v1:
The name of a custom element must contain a dash (-). So <x-tags>, <my-element>, and <my-awesome-app> are all valid names, while <tabs> and <foo_bar> are not. This requirement is so the HTML...
LISTAGG in Oracle to return distinct values
... as col2
from sometable
where rn = 1
group by col1;
V1 - some test cases - FYI
regexp_replace('2,2,2.1,3,3,4,4','([^,]+)(,\1)+', '\1')
-> 2.1,3,4 Fail
regexp_replace('2 ,2 ,2.1,3 ,3 ,4 ,4 ','([^,]+)(,\1)+', '\1')
-> 2 ,2.1,3,4 Success - fixed length items
V2 -items c...
Algorithm to return all combinations of k elements from n
...der which version of c# has this constructs/methods ? (I have only used c# v1.0 and not that much).
– LBarret
Jun 4 '12 at 7:00
...
What are the git concepts of HEAD, master, origin?
...ttGreer: If you check out something older (such as a tag like git checkout v1.1) then your HEAD changes to the commit of that tag. It may not be the latest commit.
– Greg Hewgill
Nov 19 '11 at 19:26
...
How to sort a dataframe by multiple column(s)
... a lot of improvements and also a new function setorder() since then. From v1.9.5+, setorder() also works with data.frames.
First, we'll create a dataset big enough and benchmark the different methods mentioned from o
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...practically working with UTC then.
(Python 3.8.2 x64 on Windows 10, pandas v1.0.5.)
Fastest way to replace NAs in a large data.table
...perator, building on Andrie and Ramnath's answers.
require(data.table) # v1.6.6
require(gdata) # v2.8.2
set.seed(1)
dt1 = create_dt(2e5, 200, 0.1)
dim(dt1)
[1] 200000 200 # more columns than Ramnath's answer which had 5 not 200
f_andrie = function(dt) remove_na(dt)
f_gdata = functio...