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How can I remove a commit on GitHub? [duplicate]
... like me, you can go back with a "git reflog" and then a "git reset --hard xxx" where xxx is the last commit you've made before the accidental reset...
– Fjallbacka
Jul 8 '18 at 20:01
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Formatting Decimal places in R
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Here format="f" gives floating numbers in the usual decimal places say, xxx.xxx, and digits specifies the number of digits. By contrast, if you wanted to get an integer to display you would use format="d" (much like sprintf).
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How can I extract a predetermined range of lines from a text file on Unix?
...east a few minutes. Also the fastest variation on GNU seems to be tail -n +XXX filename | head XXX.
– Antonis Christofides
Feb 5 '16 at 11:21
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scp or sftp copy multiple files with single command
...ere this should work. ``` (venv) ➜ git:(master) ✗ scp root@172.29..xxx.yyy:"/usr/local/bin/kubectl /root/.kube/config" /tmp/ root@172.29..xxx.yyy's password: protocol error: filename does not match request ```
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Are single quotes allowed in HTML?
...uoting. One strange example is that in Hotmail if you use <img src='cid:xxx' ... /> to show a inline image it will not appear at all because the content id was ignored. You have to use `<img src="cid:xxx" ... /> instead.
– Earth Engine
Feb 12 '13 at...
How to split a file into equal parts, without breaking individual lines? [duplicate]
...> parts[0], parts => parts[1]);
or
enter code here
line="to=xxx@gmail.com=yyy@yahoo.co.in";
string[] tokens = line.Split(new char[] { '=' }, 2, 0);
ans:
tokens[0]=to
token[1]=xxx@gmail.com=yyy@yahoo.co.in"
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Difference between id and name attributes in HTML
...s the skinny:
id= is for use as a target like this: <some-element id="XXX"></some-element> for links like this: <a href="#XXX".
name= is also used to label the fields in the message send to a server with an HTTP (HyperText Transfer Protocol) GET or POST when you hit submit in a form...
How to read multiple text files into a single RDD?
...se union as follows:
val sc = new SparkContext(...)
val r1 = sc.textFile("xxx1")
val r2 = sc.textFile("xxx2")
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val rdds = Seq(r1, r2, ...)
val bigRdd = sc.union(rdds)
Then the bigRdd is the RDD with all files.
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Setting an environment variable before a command in Bash is not working for the second command in a
... In zsh I don't seem to need the export for this version: (FOO=XXX ; echo FOO=$FOO) ; echo FOO=$FOO yields FOO=XXX\nFOO=\n.
– rampion
Apr 16 '13 at 19:45
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PostgreSQL - how to quickly drop a user with existing privileges
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Also note, if you have explicitly granted:
CONNECT ON DATABASE xxx TO GROUP ,
you will need to revoke this separately from DROP OWNED BY, using:
REVOKE CONNECT ON DATABASE xxx FROM GROUP
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