大约有 19,000 项符合查询结果(耗时:0.0323秒) [XML]

https://stackoverflow.com/ques... 

What does $$ mean in the shell?

...hat PID you're going to have and screw around -- imagine you're running as root and I create /tmp/yourprogname13395 as a symlink pointing to /etc/passwd -- and you write into it. This is a bad thing to be doing in a shell script. If you're going to use a temporary file for something, you ought to b...
https://stackoverflow.com/ques... 

Pycharm does not show plot

...t as plt x = np.linspace(0, 6.28, 100) plt.plot(x, x**0.5, label='square root') plt.plot(x, np.sin(x), label='sinc') plt.xlabel('x label') plt.ylabel('y label') plt.title("test plot") plt.legend() plt.show(block=True) plt.interactive(False) ...
https://stackoverflow.com/ques... 

How to change the port of Tomcat from 8080 to 80?

...ve, add AUTHBIND=yes to bin/setenv.sh (create if not there) and start from root. Works with LTS 12.04, should also work w/13.10. – karl Mar 28 '14 at 14:31 ...
https://stackoverflow.com/ques... 

How to build a Debian/Ubuntu package from source?

...tions. Assuming nullidentd was the package you wanted to stay put, run as root echo 'nullidentd hold' | dpkg --set-selections Alternately, since you are building from source, you can use an epoch to set the version number artificially high and never be bothered again. To use an epoch, add a new...
https://stackoverflow.com/ques... 

How to use Java property files?

...ce in your application. I'd much rather store all properties files in the root of the app, and load them as "class.getResourceAsStream("\file.properties")" or in some other known location. – Nate Aug 23 '09 at 12:06 ...
https://stackoverflow.com/ques... 

How do I install Python packages on Windows?

... As I wrote elsewhere Packaging in Python is dire. The root cause is that the language ships without a package manager. Fortunately, there is one package manager for Python, called Pip. Pip is inspired by Ruby's Gem, but lacks some features. Ironically, Pip itself is complicated ...
https://stackoverflow.com/ques... 

Rubymine: How to make Git ignore .idea files created by Rubymine

... need to share: All the files under .idea directory in the project root except the workspace.xml, usage.statistics.xml, and tasks.xml files which store user specific settings ... How to manage projects under Version Control Systems (archive) There's some additional notes on that...
https://stackoverflow.com/ques... 

Use rvmrc or ruby-version file to set a project gemset with RVM?

... You can try both. Go to the root of your project, create a .rvmrc file (touch .rvmrc), then edit rvm use 2.0.0-p451@your_gemset (your ruby version and gemset name). After save this file, you can type this command: cd ../your_project (you're in your_pr...
https://stackoverflow.com/ques... 

How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?

...2 too (previous attempt fixes before_dispatch, and now we're going for the root rack call instead) Update: A proper Rack middleware solution (instead of fragile alias_method_chain) from @macournoyer https://github.com/rails/rails/issues/2639#issuecomment-6591735 ...
https://stackoverflow.com/ques... 

How do I parse JSON with Ruby on Rails? [duplicate]

...o_json JSON[string_to_parse] # => [{"foo"=>1, "bar"=>2}] If you root around in JSON you might notice it's a subset of YAML, and, actually the YAML parser is what's handling JSON. You can do this too: require 'yaml' YAML.load(string_to_parse) # => [{"foo"=>1, "bar"=>2}] If you...