大约有 36,020 项符合查询结果（耗时：0.0214秒） [XML]
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...子吧：#! bin shcd ~mkdir shell_tutcd shell_tutfor ((i=0; i<10; i++)); do touch test_$i.txt...
什么是Shell脚本
示例
看个例子吧：
#!/bin/sh
cd ~
mkdir shell_tut
cd shell_tut
for ((i=0; i<10; i++)); do
touch test_$i.txt
done
示例解释
第1行：指定脚本...
How to implement the --verbose or -v option into a script?
... rather than putting the if in the function, which you might be tempted to do, do it like this:
if verbose:
def verboseprint(*args):
# Print each argument separately so caller doesn't need to
# stuff everything to be printed into a single string
for arg in args:
...
Retaining file permissions with Git
... major distraction for me. It put me off the answer entirely, actually. (I don't have difficulty pulling repo from server.) @omid-ariyan's answer below with pre/post commit hooks was much more understandable. Later I realized that those hook scripts are doing exact same work as git-cache-meta. Go...
How do I pass a class as a parameter in Java?
...
and how do i fire default constructor or some methods in that class ?
– user562350
Feb 2 '11 at 10:04
...
Truncating all tables in a Postgres database
...ete all the data from my PostgreSQL database before a rebuild. How would I do this directly in SQL?
11 Answers
...
How do you make a deep copy of an object?
...sures everything is a brand new reference.
Here's an article about how to do this efficiently.
Caveats: It's possible for classes to override serialization such that new instances are not created, e.g. for singletons. Also this of course doesn't work if your classes aren't Serializable.
...
How to make a variadic macro (variable number of arguments)
...
I don't think C99 requires the ## before VA_ARGS. That might just be VC++.
– Chris Lutz
Mar 25 '09 at 2:18
...
Flags to enable thorough and verbose g++ warnings
... of warning. I then removed from that list the set of warnings that I feel do not actually indicate something bad is happening, or else have too many false positives to be used in a real build. I commented as to why each of the ones I excluded were excluded. This is my final set of suggested warning...
How do I make an HTML button not reload the page
...re called on page load, this causes these elements to be hidden again. How do I make the button do nothing, so I can still add some action that occurs when the button is clicked but not reload the page.
...
Can I export a variable to the environment from a bash script without sourcing it?
...can be quite useful, though it's inconvenient for interactive use since it doesn't give you the settings in your current shell (with all the other settings and history you've built up).
share
|
impr...