大约有 39,000 项符合查询结果（耗时：0.0877秒） [XML]
TypeError: got multiple values for argument
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edited May 31 '16 at 5:51
arogachev
31.1k66 gold badges100100 silver badges112112 bronze badges
ans...
“is” operator behaves unexpectedly with integers
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Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>>> id(b)
9987148
>>> a = 257
>>> b = 257
>>> id(a)
11662816
>>> id(b)
11662828
Here's what I found in the Python 2 documentati...
How to implement a good __hash__ function in python [duplicate]
... Fred Foo
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answered Oct 23 '10 at 18:19
adwadw
4,2532020 silver badges...
'pip' is not recognized as an internal or external command
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541
You need to add the path of your pip installation to your PATH system variable. By default, pi...
ASP.NET MVC Yes/No Radio Buttons with Strongly Bound Model MVC
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75
The second parameter is selected, so use the ! to select the no value when the boolean is false....
How do I log errors and warnings into a file?
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edited Apr 7 '13 at 5:35
Dave Jarvis
27.6k3434 gold badges157157 silver badges281281 bronze badges
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Min/Max of dates in an array?
...FF,Chrome and works properly:
var dates=[];
dates.push(new Date("2011/06/25"))
dates.push(new Date("2011/06/26"))
dates.push(new Date("2011/06/27"))
dates.push(new Date("2011/06/28"))
var maxDate=new Date(Math.max.apply(null,dates));
var minDate=new Date(Math.min.apply(null,dates));
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Environment variables for java installation
...with a Charset.defaultCharset() of UTF-8 (instead of the default Windows-1252). This has saved a lot of headaches when wirking with my own code and that of others, which unfortunately often assume the (sane) default encoding UTF-8.
When JDK is installed, it adds to the system environment variable Pa...
Android EditText delete(backspace) key event
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edited Apr 17 '18 at 23:53
The Hungry Androider
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...长连接+心跳策略，WIFI和手机网络下的心跳间隔都为4分45秒，心跳5次后，主动断开连接再重连。
在支持GCM的设备上，主要靠GCM来激活WhatsApp，WhatsApp启动后，会建立一个与服务器的长连接，直接通过此长连接发送Push消息，这个...