大约有 42,000 项符合查询结果(耗时:0.0283秒) [XML]

https://stackoverflow.com/ques... 

How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

... I think JAVA_HOME is the best you can do. The command-line tools like java and javac will respect that environment variable, you can use /usr/libexec/java_home -v '1.7*' to give you a suitable value to put into JAVA_HOME in order to make command line tools use Java 7. expor...
https://stackoverflow.com/ques... 

Why is creating a Thread said to be expensive?

...a fair bit of work involved: A large block of memory has to be allocated and initialized for the thread stack. System calls need to be made to create / register the native thread with the host OS. Descriptors need to be created, initialized and added to JVM-internal data structures. It is also e...
https://stackoverflow.com/ques... 

Proxies with Python 'Requests' module

... specify different (or the same) proxie(s) for requests using http, https, and ftp protocols: http_proxy = "http://10.10.1.10:3128" https_proxy = "https://10.10.1.11:1080" ftp_proxy = "ftp://10.10.1.10:3128" proxyDict = { "http" : http_proxy, "https" : https_proxy...
https://stackoverflow.com/ques... 

How to redirect output with subprocess in Python?

What I do in the command line: 5 Answers 5 ...
https://stackoverflow.com/ques... 

Importing modules from parent folder

...ked out. However, to make it more explicit, the procedure is to import sys and then sys.path.append("..\<parent_folder>") – BCJuan Nov 20 '19 at 16:12 add a comment ...
https://stackoverflow.com/ques... 

What is the fastest integer division supporting division by zero no matter what the result is?

... Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using int f (int x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl...
https://stackoverflow.com/ques... 

In Python script, how do I set PYTHONPATH?

I know how to set it in my /etc/profile and in my environment variables. 6 Answers 6 ...
https://stackoverflow.com/ques... 

How to detect when an Android app goes to the background and come back to the foreground

... The onPause() and onResume() methods are called when the application is brought to the background and into the foreground again. However, they are also called when the application is started for the first time and before it is killed. You ...
https://stackoverflow.com/ques... 

How can I install Apache Ant on Mac OS X?

I tried to install Apache Ant on my Mac and I followed the next steps : 8 Answers 8 ...
https://stackoverflow.com/ques... 

Clear terminal in Python [duplicate]

Does any standard "comes with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)? ...