大约有 40,000 项符合查询结果（耗时：0.0770秒） [XML]
Script parameters in Bash
...iables $1 and $2 and $3 where the number refers to the argument. $0 is the command itself.
The arguments are seperated by spaces, so if you would provide the -from and -to in the command, they will end up in these variables too, so for this:
./ocrscript.sh -from /home/kristoffer/test.png -to /home...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
...you can not authenticate. An user with USAGE privilege can run certain SQL commands like 'select 1+1' and 'show processlist'.
– Mircea Vutcovici
Feb 26 '15 at 16:10
add a comm...
How can I see the raw SQL queries Django is running?
...her link the current version of Django's documentation: docs.djangoproject.com/en/dev/faq/models/…
– Andre Miller
Jul 2 '09 at 13:31
5
...
What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv
...h you are looking for this info, and go to this site: http://www.hanselman.com/smallestdotnet/
That's all it takes.
The site has a script that looks your browser's "UserAgent" and figures out what version (if any) of the .NET Framework you have (or don't have) installed, and displays it automatica...
How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answer...
What happens to my apps after my developer account membership expires? [closed]
...
|
show 3 more comments
68
...
How do I add 24 hours to a unix timestamp in php?
...
add a comment
|
87
...
Using usort in php with a class private function
ok using usort with a function is not so complicated
5 Answers
5
...
Why does direction of index matter in MongoDB?
...
MongoDB concatenates the compound key in some way and uses it as the key in a BTree.
When finding single items - The order of the nodes in the tree is irrelevant.
If you are returning a range of nodes - The elements close to each other will be dow...