大约有 42,000 项符合查询结果(耗时:0.0311秒) [XML]

https://stackoverflow.com/ques... 

Quit and restart a clean R session from within R?

Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session? 12 Answers ...
https://stackoverflow.com/ques... 

How to avoid .pyc files?

... available to Python programs as the sys.dont_write_bytecode variable, and Python code can change the value to modify the interpreter’s behaviour. Update 2010-11-27: Python 3.2 addresses the issue of cluttering source folders with .pyc files by introducing a special __pycache__ subfolder...
https://stackoverflow.com/ques... 

Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile

I am using Maven 3.0.5 and Spring Tool Source 3.2 with Maven plugin installed. When I try to do 'Run As---> Maven install', I am getting the following error: ...
https://stackoverflow.com/ques... 

How to convert a string of bytes into an int?

...afał: Not really, since Greg was using <, according to the docs L is standard size (4) "when the format string starts with one of '<', '>', '!' or '='." docs.python.org/library/struct.html#format-characters – André Laszlo Dec 24 '11 at 0:50 ...
https://stackoverflow.com/ques... 

Save plot to image file instead of displaying it using Matplotlib

I am writing a quick-and-dirty script to generate plots on the fly. I am using the code below (from Matplotlib documentation) as a starting point: ...
https://stackoverflow.com/ques... 

WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance

I'm working to set up Panda on an Amazon EC2 instance. I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance. Getting Started with Panda ...
https://stackoverflow.com/ques... 

MySQL OPTIMIZE all tables?

MySQL has an OPTIMIZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself? ...
https://stackoverflow.com/ques... 

XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv

I'm trying to create a website that can be downloaded and run locally by launching its index file. 9 Answers ...
https://stackoverflow.com/ques... 

Is there Unicode glyph Symbol to represent “Search” [closed]

... There is U+1F50D LEFT-POINTING MAGNIFYING GLASS (????) and U+1F50E RIGHT-POINTING MAGNIFYING GLASS (????). You should use (in HTML) 🔍 or 🔎 They are, however not supported by many fonts (fileformat.info only lists a few fonts as supporting the Codepoint w...
https://stackoverflow.com/ques... 

Git on Bitbucket: Always asked for password, even after uploading my public SSH key

...ollowing: open your config file in your current repo .. vim .git/config and change the line with the url from [remote "origin"] fetch = +refs/heads/*:refs/remotes/origin/* url = https://Nicolas_Raoul@bitbucket.org/Nicolas_Raoul/therepo.git to [remote "origin"] fetch =...