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Most popular screen sizes/resolutions on Android phones [closed]
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answered Jun 7 '11 at 22:41
GrekzGrekz
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Dump a NumPy array into a csv file
...saves an array to a text file.
import numpy
a = numpy.asarray([ [1,2,3], [4,5,6], [7,8,9] ])
numpy.savetxt("foo.csv", a, delimiter=",")
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How to implement a queue using two stacks?
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rimsky
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answered Sep 16 '08 at 4:42
Dave L.Dave L.
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Calling a Java method with no name
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149
This:
static {
System.out.print("x ");
}
is a static initialization block, and i...
Conditional compilation and framework targets
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ToddTodd
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How to show soft-keyboard when edittext is focused
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What's the purpose of the LEA instruction?
... is in EAX, and xcoord and ycoord are each 32 bits (so ycoord is at offset 4 bytes in the struct), this statement can be compiled to:
MOV EDX, [EBX + 8*EAX + 4] ; right side is "effective address"
which will land y in EDX. The scale factor of 8 is because each Point is 8 bytes in size. Now con...
pandas dataframe columns scaling with sklearn
...gt;> scaler = MinMaxScaler()
>>> dfTest = pd.DataFrame({'A':[14.00,90.20,90.95,96.27,91.21],
'B':[103.02,107.26,110.35,114.23,114.68],
'C':['big','small','big','small','small']})
>>> dfTest[['A', 'B']] = scaler.fit_transfor...
用矩阵管理成绩表 - App Inventor 2 矩阵块入门案例 · App Inventor 2 中文网
...查任意一格的成绩
第 3 关：改成绩（原地修改）
第 4 关：算某一行（某名学生）的平均分
第 5 关：整表转置，横过来看
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How to limit the amount of concurrent async I/O operations?
...an definitely do this in the latest versions of async for .NET, using .NET 4.5 Beta. The previous post from 'usr' points to a good article written by Stephen Toub, but the less announced news is that the async semaphore actually made it into the Beta release of .NET 4.5
If you look at our beloved S...