大约有 2,500 项符合查询结果（耗时：0.0186秒） [XML]
Postgresql: Scripting psql execution with password
...s often available to all users, and therefore insecure. However, in Linux/Unix environments you can provide an environment variable for a single command like this:
PGPASSWORD=yourpass psql ...
share
|
...
Rearrange columns using cut
...); it's probably a bug that a workaround like $ should be necessary. See: unix join separator char.
join needs two filenames, even though there's just one file being worked on. Using the same name twice tricks join into performing the desired action.
For systems with low resources join offers a sm...
How can I connect to MySQL in Python 3 on Windows?
...protocol.
Example:
import pymysql
conn = pymysql.connect(host='127.0.0.1', unix_socket='/tmp/mysql.sock', user='root', passwd=None, db='mysql')
cur = conn.cursor()
cur.execute("SELECT Host,User FROM user")
for r in cur:
print(r)
cur.close()
conn.close()
...
glob exclude pattern
... rules for glob are not regular expressions. Instead, they follow standard Unix path expansion rules. There are only a few special characters: two different wild-cards, and character ranges are supported [from glob].
So you can exclude some files with patterns.
For example to exclude manifests fi...
Redirecting stdout to “nothing” in python
...
If you're in a Unix environment (Linux included), you can redirect output to /dev/null:
python myprogram.py > /dev/null
And for Windows:
python myprogram.py > nul
...
How to determine the Boost version on a system?
...y mentioned in path).
I guess the fastest way to determine version on any UNIX-like system will be to search for boost in /usr:
find /usr -name "boost"
share
|
improve this answer
|
...
Getting the last argument passed to a shell script
...
@mcoolive: it even works in the unix v7 bourne shell from 1979. you can't get more portable if it runs on both v7 sh and POSIX sh :)
– Dominik R
Nov 22 '19 at 10:41
...
How to Test Facebook Connect Locally
...
It's simple enough when you find out.
Open /etc/hosts (unix) or C:\WINDOWS\system32\drivers\etc\hosts.
If your domain is foo.com, then add this line:
127.0.0.1 local.foo.com
When you are testing, open local.foo.com in your browser and it should work.
...
How can I have Github on my own server?
...om/)
GitPrep is Github clone. you can install portable GitHub system into UNIX/Linux. You can create users and repositories without limitation. This is free software.
Kallithes (https://kallithea-scm.org/)
Kallithea, a member project of Software Freedom Conservancy, is a GPLv3'd, Free Software sou...
New line in text area
...
@Bakudan Oh! I thought macOS, being Unix-based, would still have that issue. But you’re for sure right, the difference is more general.
– SeizeTheDay
Sep 3 '19 at 14:34
...