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What is the difference between Swing and AWT?
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AWT is a Java interface to native system GUI code present in your OS. It will not work the same on every system, although it tries.
Swing is a more-or-less pure-Java GUI. It uses AWT to create an operating system window and then paints pictures of buttons, labels, text, checkboxes, etc., i...
Get hostname of current request in node.js Express
... missing something simple here, but I can't seem to find a way to get the hostname that a request object I'm sending a response to was requested from.
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How can I run an external command asynchronously from Python?
..., or use wait() to wait for it to terminate.
– Adam Rosenfield
Mar 11 '09 at 22:09
Adam, very true, although it could ...
How do I use JDK 7 on Mac OSX?
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Oracle has released JDK 7 for OS X.
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How to import a module given its name as string?
...port a list of modules by doing this:
>>> moduleNames = ['sys', 'os', 're', 'unittest']
>>> moduleNames
['sys', 'os', 're', 'unittest']
>>> modules = map(__import__, moduleNames)
Ripped straight from Dive Into Python.
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...类型，int型长度，指针长度，类型转换…这些概念如果有一个及以上不是那么太清楚的话，很容易答错。
为方便讨论，先开始理解如下关系：
以下是某次在Ubuntu 10.10-desktop-i386 + gcc 4.4.5的运行结果：
size of a: 20 (bytes) （Why? 因...
C语言面试那些事儿──一道指针与数组问题 - c++1y / stl - 清泛IT社区，为创新赋能！
...类型，int型长度，指针长度，类型转换…这些概念如果有一个及以上不是那么太清楚的话，很容易答错。为方便讨论，先开始理解如下关系：以下是某次在Ubuntu 10.10-desktop-i386 + gcc 4.4.5的运行结果：size of a: 20 (bytes) （Why? 因为机...
How to identify platform/compiler from preprocessor macros?
I'm writing a cross-platform code, which should compile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
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Redirecting to URL in Flask
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You have to return a redirect:
import os
from flask import Flask,redirect
app = Flask(__name__)
@app.route('/')
def hello():
return redirect("http://www.example.com", code=302)
if __name__ == '__main__':
# Bind to PORT if defined, otherwise default to ...
What REALLY happens when you don't free after malloc?
...ram exits. The only exception I can think of might be something like Palm OS where the program's static storage and runtime memory are pretty much the same thing, so not freeing might cause the program to take up more storage. (I'm only speculating here.)
So generally, there's no harm in it, exce...