大约有 47,000 项符合查询结果（耗时：0.0572秒） [XML]
How to open emacs inside bash
I'm using Ubuntu 11.10. When I type command "emacs" in terminal, it opens emacs as a seperate window. How can I open it inside the terminal, like nano editor?
...
Differences between Java 8 Date Time API (java.time) and Joda-Time
I know there are questions relating to java.util.Date and Joda-Time. But after some digging, I couldn't find a thread about the differences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time .
...
Visual Studio (2008) 'Clean Solution' Option
...
It deletes all the compiled and temporary files associated with a solution. It ensures that the next build is a full one, rather than only changed files being recompiled.
share...
postgres: upgrade a user to be a superuser?
...
and how can i detect if myuser is currently superuser?
– masterweily
May 10 '13 at 8:18
20
...
When is the thread pool used?
So I have an understanding of how Node.js works: it has a single listener thread that receives an event and then delegates it to a worker pool. The worker thread notifies the listener once it completes the work, and the listener then returns the response to the caller.
...
How to name variables on the fly?
...I save in mypackage/data. Each one in its file with same name for the file and the data in it (given R recommendations for data in package). Each dataset is about 10M and the total is ~ 17Go I hardly see an other way.
– cmbarbu
Feb 16 '16 at 11:19
...
how to ignore namespaces with XPath
...d of selecting a node like
/path/to/x:somenode
you can select all nodes and filter for the one with the correct local name:
/path/to/*[local-name() = 'somenode']
share
|
improve this answer
...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...
So I guess it is safer to define a variable with the result of that command as your empty sha1 tree (instead of relying of a "well known value").
Note: Git 2.25.1 (Feb. 2020) proposes in commit 9c8a294:
empty_tree=$(git mktree </dev/null)
# Windows:
git mktree <NUL
And adds:
As a hi...
importing pyspark in python shell
...
Turns out that the pyspark bin is LOADING python and automatically loading the correct library paths. Check out $SPARK_HOME/bin/pyspark :
# Add the PySpark classes to the Python path:
export PYTHONPATH=$SPARK_HOME/python/:$PYTHONPATH
I added this line to my .bashrc file...
How to configure logging to syslog in Python?
...
Change the line to this:
handler = SysLogHandler(address='/dev/log')
This works for me
import logging
import logging.handlers
my_logger = logging.getLogger('MyLogger')
my_logger.setLevel(logging.DEBUG)
handler = logging.handlers.SysLogHandler(add...