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Matplotlib: “Unknown projection '3d'” error
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First off, I think mplot3D worked a bit differently in matplotlib version 0.99 than it does in the current version of matplotlib.
Which version are you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing you're running version 0.99, in which case you'll...
mongo - couldn't connect to server 127.0.0.1:27017
...hing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod process
Provide the log file activity from the mongod startup as well as
logs during the mongo shell startup atte...
What's wrong with using == to compare floats in Java?
...urrentSectionID) < epsilon)
where epsilon is a very small number like 0.00000001, depending on the desired precision.
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jQuery Ajax File Upload
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601
File upload is not possible through AJAX.
You can upload file, without refreshing page by using...
What's the point of g++ -Wreorder?
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260
Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized t...
Merging two images in C#/.NET
Simple idea: I have two images that I want to merge, one is 500x500 that is transparent in the middle the other one is 150x150.
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手机蓝牙控制台灯：HC-05 开关、无级调光、定时关灯（附 .aia 源码与单片机...
... 手机蓝牙控制台灯：HC-05 开关、无级调光、定时关灯（附 .aia 源码与单片机程序）
界面
通信协议
硬件与单片机程序
怎么用
核心代码
连接已配对设...
How do I find the number of arguments passed to a Bash script?
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answered Dec 12 '10 at 18:46
zsalzbankzsalzbank
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Types in MySQL: BigInt(20) vs Int(20)
...ous that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size.
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Python: fastest way to create a list of n lists
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105
The probably only way which is marginally faster than
d = [[] for x in xrange(n)]
is
from ...