大约有 1,072 项符合查询结果（耗时：0.0075秒） [XML]
What is the best way to uninstall gems from a rails3 project?
... you are using the RVM gemset. whenever you install a gem with gem install xxx inside a RVM gemset, there is where it stays, so doing a plain gem uninstall xxx on a RVM gemset will remove the gem installed on that gemset and not the system one.
– Esteban Feldman
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Android - Back button in the title bar
...per.onCreate(savedInstanceState);
setContentView(R.layout.activity_xxx);
getActionBar().setHomeButtonEnabled(true);
[...]
}
[...]
}
If your action extends AppCompatActivity
public class YourActivity extends AppCompatActivity {
@Override
protecte...
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 ```
– ...
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"
s...
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")
...
val rdds = Seq(r1, r2, ...)
val bigRdd = sc.union(rdds)
Then the bigRdd is the RDD with all files.
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