大约有 7,000 项符合查询结果（耗时：0.0184秒） [XML]
Which version of Python do I have installed?
...inding out what versions are installed:
updatedb # Be in root for this
locate site.py # All installations I've ever seen have this
The output for a single Python installation should look something like this:
/usr/lib64/python2.7/site.py
/usr/lib64/python2.7/site.pyc
/...
Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...tgres:
http://www.postgresql.org/download/linux/debian/ (Wheezy 7.x)
as root …
root@www0:~# echo "deb http://apt.postgresql.org/pub/repos/apt/ wheezy-pgdg main" >> /etc/apt/sources.list
root@www0:~# wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key a...
What is the smallest possible valid PDF?
...00010 00000 n
0000000053 00000 n
0000000102 00000 n
trailer<</Size 4/Root 1 0 R>>
startxref
149
%EOF
which is 291 bytes of PDF joy. Acrobat opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec.
However, Acrobat X doesn'...
How to only find files in a given directory, and ignore subdirectories using bash
...directory below the one I'm working in on.
find /dev -maxdepth 1 -name "*.root" -type 'f' -size +100k -ls
Return nothing with '.' instead I get list of all 'big' files in my directory as well as the rootfiles/ directory where I store old ones.
Continuing. This works.
find ./ -maxdepth 1 -name "...
How do I change the number of open files limit in Linux? [closed]
...t limits could be set by any user while hard limits are changeable only by root.
Limits are a property of a process. They are inherited when a child process is created so system-wide limits should be set during the system initialization in init scripts and user limits should be set during user login...
Trying to SSH into an Amazon Ec2 instance - permission error
...have a user ubuntu
Amazon's AMI is ec2-user
most Debian images have either root or admin
To login, you need to adjust your ssh command:
ssh -l USERNAME_HERE -i .ssh/yourkey.pem public-ec2-host
HTH
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Can't choose class as main class in IntelliJ
...swer in the link associated with the "Java class located out of the source root."
Configure your source and test roots and it should work.
https://www.jetbrains.com/idea/webhelp/configuring-content-roots.html
Since you stated that these are tests you should probably go with them marked as Test Sou...
What does “./” (dot slash) refer to in terms of an HTML file path location?
...is the the folder that the working file is in:
So in /index.htm ./ is the root directory
but in /css/style.css ./ is the css folder.
This is important to remember because if you move CSS from /index.htm to /css/style.css the path will change.
...
Location of sqlite database on the device
...ave access to the /data folder on a real phone. It's chmoded 700. You need root privileges to see it.
– Falmarri
Dec 15 '10 at 19:34
15
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Why use a READ UNCOMMITTED isolation level?
... will in practice be writing corrupted data. Also the article stated that "MySQL, which grew up on web apps, is much less pessimistic out of the box than SQL Server". Not true, Sql Server works at read-commited level by default, while MySQL works at repeatable-reads by default, five levels away from...