大约有 9,000 项符合查询结果（耗时：0.0143秒） [XML]
Check if passed argument is file or directory in Bash
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That should work. I am not sure why it's failing. You're quoting your variables properly. What happens if you use this script with double [[ ]]?
if [[ -d $PASSED ]]; then
echo "$PASSED is a directory"
elif [[ -f $PASSED ]]; then
echo "$PASSED is a file"
else
echo "$PAS...
“Remote System Explorer Operation” causing freeze for couple of seconds
...usable for 1 to 10 seconds. In some projects (of about the same size) it's quicker, in some it's slower.
13 Answers
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Is there a wikipedia API just for retrieve content summary?
...ional explaintext param, you can get the intro section text in plain text.
Query
Getting Stack Overflow's intro in plain text:
Using page title:
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow
o...
git add only modified changes and ignore untracked files
...ng is nice when testing the expression. Then I can print the match inside square brackets to see that I am right.
– user877329
Jul 25 '15 at 8:30
1
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fastest MD5 Implementation in JavaScript
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I've heard Joseph's Myers implementation is quite fast. Additionally, he has a lengthy article on Javascript optimization describing what he learned while writing his implementation. It's a good read for anyone interested in performant javascript.
http://www.webrefere...
How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
...l Studio, and some others: Alt + drag.
vim: Ctrl + v or (bizarrely enough) Quad-click-drag. In windows: Ctrl + Q (since Ctrl + V is the standard for paste)
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URL encoding in Android
... entire URL, only parts of it that come from "unreliable sources".
String query = URLEncoder.encode("apples oranges", "utf-8");
String url = "http://stackoverflow.com/search?q=" + query;
Alternatively, you can use Strings.urlEncode(String str) of DroidParts that doesn't throw checked exceptions.
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What's the best way to use R scripts on the command line (terminal)?
...properly, but this seems to work:
axa@artemis:~$ cat r.test
#!/usr/bin/R -q -f
error
axa@artemis:~$ ./r.test
> #!/usr/bin/R -q -f
> error
Error: object "error" not found
Execution halted
axa@artemis:~$
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Why is the time complexity of both DFS and BFS O( V + E )
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But every vertex must be extracted from queue, and this is log(|Q|) What about this part?
– Yola
Jan 24 '16 at 10:56
3
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How to get duplicate items from a list using LINQ? [duplicate]
...duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
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