大约有 5,000 项符合查询结果（耗时：0.0344秒） [XML]
echo that outputs to stderr
...t, including arguments (-n) that echo would normally swallow:
echoerr() { cat <<< "$@" 1>&2; }
Glenn Jackman's solution also avoids the argument swallowing problem:
echoerr() { printf "%s\n" "$*" >&2; }
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Get Android .apk file VersionName or VersionCode WITHOUT installing apk
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how can I read apk content without installing the application? @PatrickCho
– talha06
Feb 22 '14 at 14:27
2
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...一个Key Value的数据结构，它很像Javascript中的Object，或是PHP中的数组，在别的语言里叫Dict或Map，Table长成这个样子：haoel = {name="ChenHao", age=37, handsome=True}复制代码
下面是table的CRUD操作：haoel.website="http://coolshell.cn/"
lo...
How to get a specific version of a file in Mercurial?
...ace to match a prior revision. If you want it not in place you can use hg cat -r revisionid filename (substituting revisionid and filename of course) which will output the file to stdout, suitable for redirecting anyplace you'd like.
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Exact difference between CharSequence and String in java [duplicate]
...kind of sharing is all right.
The + operator of String is compiled as invocations of various StringBuilder.append calls. So it is equivalent to
System.out.println(
(new StringBuilder())
.append("output is : ")
.append((Object)obj)
.append(" ")
.append(str)
.toString()
)
I must confes...
How to get the last character of a string in a shell?
...ying to print the last characters on a big file, this did the job for me: cat user/folder/file.json | tail -c 1 You can replace the 1 with the number of characters you want to print.
– Diego Serrano
Mar 31 at 20:18
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
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The StringBuilder class can be seen as a mutable String object which allocates more memory when its content is altered.
The original suggestion in the question can be written even more clearly and efficiently, by taking care of the redundant trailing comma:
StringBuilder result = new StringB...
Pipe to/from the clipboard in Bash script
...send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications.
If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy
If you're in Linux terminal mode (no X) then look into gpm or screen which has a clipboard. Try the screen command readreg.
Under Windows 10+ or...
How to get Erlang's release version number from a shell?
.../erl
$ cd /usr/bin
$ ls -l erl
../lib/erlang/bin/erl
$ cd ../lib/erlang/
$ cat releases/17/OTP_RELEASE
17.3
EDIT
# Some versions seem to have OTP_VERSION instead of OTP_RELEASE
$ cat releases/17/OTP_VERSION
17.4
share
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How to remove/change JQuery UI Autocomplete Helper text?
... a local variable containing a JSON object of url to word mapping [{ '/tag/cats': 'Cats', etc... }] So when the user types Ca Cats will show up in the dropdown and when selected or clicked it can populate a hidden field with the url for example.
– TK123
Mar 7 '...