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Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
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The problem was resolved by moving from Selenium 2.24.1 to Selenium 2.25.0
As the selenium change is just download the jar file and run it instead of the old one,it's worth trying this as a quick and easy troubleshooter - if it doesn't help, just switch back. In your case, I'm not sure which ver...
二进制数据专题：蓝牙、Socket、WebSocket、MQTT 收发字节 · App Inventor 2 中文网
...多不是发一句文本，而是发一串字节：
「帧头 A5、命令 01、两个字节的温度、一个字节的校验」。这类格式叫二进制协议。
App Inventor 里处理二进制只需要记住一件事：字节列表就是由 0~255 的数字组成的普通列表。
下面这些组...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
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PratyayPratyay
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vertical & horizontal lines in matplotlib
...is range, regardless of coordinates. The parameters xmin or ymin use value 0.0 as the minimum of the axis and 1.0 as the maximum of the axis.
Instead, use plt.plot((x1, x2), (y1, y2), 'k-') to draw a line from the point (x1, y1) to the point (x2, y2) in color k. See pyplot.plot.
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Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
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edited Dec 21 '16 at 0:33
answered Mar 13 '12 at 19:48
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How to make an element in XML schema optional?
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Try this
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="1" />
if you want 0 or 1 "description" elements, Or
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="unbounded" />
if you want 0 to infinity number of "description" elements...
Definition of a Balanced Tree
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edited Feb 5 '13 at 16:50
answered Feb 5 '13 at 16:30
com...
How to get an enum which is created in attrs.xml in code
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101
There does not seem to be an automated way to get a Java enum from an attribute enum - in Java ...
float64 with pandas to_csv
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df.to_csv('pandasfile.csv', float_format='%.3f')
or, if you don't want 0.0001 to be rounded to zero:
df.to_csv('pandasfile.csv', float_format='%g')
will give you:
Bob,0.085
Alice,0.005
in your output file.
For an explanation of %g, see Format Specification Mini-Language.
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How do I get time of a Python program's execution?
...s that your program takes at least a tenth of second to run.
Prints:
--- 0.764891862869 seconds ---
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