大约有 17,000 项符合查询结果（耗时：0.0312秒） [XML]
Argparse optional positional arguments?
I have a script which is meant to be used like this:
usage: installer.py dir [-h] [-v]
3 Answers
...
How to move columns in a MySQL table?
...n the later stages of a product, on 10+ tables. So wrote this quick untidy script to generate the alter command for all 'relevant' tables.
SET @NeighboringColumn = '<YOUR COLUMN SHOULD COME AFTER THIS COLUMN>';
SELECT CONCAT("ALTER TABLE `",t.TABLE_NAME,"` CHANGE COLUMN `",COLUMN_NAME,"`
`"...
Postgres: “ERROR: cached plan must not change result type”
...nection and prepared a SELECT statement for execution.
Meanwhile, another script was modifying the database table, changing the data type of one of the columns being returned in the above SELECT statement.
I resolved this by restarting the application after the database table was modified. This re...
How to do a git diff on moved/renamed file?
...
This setting does not affect plumbing commands, hence well-written
scripts will not be affected.
The new tests for this feature are here.
share
|
improve this answer
|
...
How to check if a file is a valid image file?
...
Update
I also implemented the following solution in my Python script here on GitHub.
I also verified that damaged files (jpg) frequently are not 'broken' images i.e, a damaged picture file sometimes remains a legit picture file, the original image is lost or altered but you are still a...
Disabling Strict Standards in PHP 5.4
...led, you'll probably need to put this at the top of the PHP section of any script that gets loaded from a browser call:
error_reporting(E_ALL & ~E_STRICT & ~E_NOTICE);
One of those should help you be able to use the software. The notices and strict stuff are indicators of problems or pote...
How do I determine the target architecture of static library (.a) on Mac OS X?
...
This bash script will help you programmatically get a list of architectures into a variable.
list_archs.sh:
#! /bin/bash
lipo -info $1 | sed -En -e 's/^(Non-|Architectures in the )fat file: .+( is architecture| are): (.*)$/\3/p'
Us...
is node.js' console.log asynchronous?
...e console.log/debug/warn/error in node.js asynchrounous? I mean will javascript code execution halt till the stuff is printed on screen or will it print at a later stage?
...
Add a new element to an array without specifying the index in Bash
...
According to wiki.bash-hackers.org/scripting/bashchanges, this syntax first appeared in version 3.1-alpha1.
– David Yaw
Jan 3 '14 at 21:17
4...
How to unpack and pack pkg file?
...
Here is a bash script inspired by abarnert's answer which will unpack a package named MyPackage.pkg into a subfolder named MyPackage_pkg and then open the folder in Finder.
#!/usr/bin/env bash
filename="$*"
dirname="${filename/...