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How do I modify the URL without reloading the page?
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Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Jul 28 '10 at 15:30
David MurdochDa...
Quickly create a large file on a Linux system
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526
dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and o...
App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...被后面的覆盖了）；输入纯小数：用户有两种方法输入0.5：输入0.5或输入.5；其他功能键的功能描述见上一个标题“符号与术语”。
第二节 用户界面设计用户界面中用到了1个标签、20个按钮以及五个水平布局组件，其中20个按...
Convert char to int in C#
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150
Interesting answers but the docs say differently:
Use the GetNumericValue methods to
conv...
Resize HTML5 canvas to fit window
How can I automatically scale the HTML5 <canvas> element to fit the page?
15 Answers
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Is short-circuiting logical operators mandated? And evaluation order?
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156
Yes, short-circuiting and evaluation order are required for operators || and && in both...
Difference between map, applymap and apply methods in Pandas
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556
Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this...
Pointers in C: when to use the ampersand and the asterisk?
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answered Jan 19 '10 at 15:46
Dan OlsonDan Olson
20.6k44 gold badges3636 silver badges5252 bronze badges
...
Checking network connection
...t urllib2
def internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be...