大约有 40,000 项符合查询结果(耗时:0.0588秒) [XML]
How to set an environment variable only for the duration of the script?
...at will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the present working directory, and then launching the app.
...
Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...
Worked like a charm, used within an init.sql script inside Docker container. Thanks!
– Micheal J. Roberts
May 3 '19 at 8:01
...
Convert SQLITE SQL dump file to POSTGRESQL
...it appears it worked quite well. I know if I had tried to run one of these scripts or do the stepwise conversion mentioned herein, I would have spent much more time.
To prove the concept I dumped this testdb and imported into a development environment on a production server and the data transferred ...
Batch equivalent of Bash backticks
...
You can get a similar functionality using cmd.exe scripts with the for /f command:
for /f "usebackq tokens=*" %%a in (`echo Test`) do my_command %%a
Yeah, it's kinda non-obvious (to say the least), but it's what's there.
See for /? for the gory details.
Sidenote: I thou...
Import SQL dump into PostgreSQL database
...
Just what I was looking for - a way to execute the script from inside the psql command line. Thanks!
– vatsug
Feb 10 '17 at 9:43
...
How can I reorder my divs using only CSS?
...Nice! Doesn't work for IE8 or lower though but you could use a conditional script for those browsers...
– Stuart Wakefield
Oct 11 '12 at 21:53
1
...
Inspect attached event handlers for any DOM element
...ler"> can be retrieved trivially from the element.onclick property from script or in-debugger.
Event handlers attached using DOM Level 2 Events addEventListener methods and IE's attachEvent cannot currently be retrieved from script at all. DOM Level 3 once proposed element.eventListenerList to g...
Binary Data in MySQL [closed]
...BLE binary_data (
id INT(4) NOT NULL AUTO_INCREMENT PRIMARY KEY,
description CHAR(50),
bin_data LONGBLOB,
filename CHAR(50),
filesize CHAR(50),
filetype CHAR(50)
);
Here is a PHP example:
<?php
// store.php3 - by Florian Dittmer <dittmer@gmx.net>
// Exampl...
Propagate all arguments in a bash shell script
I am writing a very simple script that calls another script, and I need to propagate the parameters from my current script to the script I am executing.
...
What is the difference between Python and IPython?
... @Roadowl: (a year later, but still...) How about any shell running a script in a non-interactive way ? Maybe a simple example: $ sh -c 'foobar=3.14159' ... or maybe I misunderstood yr comment.
– Cbhihe
Sep 2 '16 at 9:27
...