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How do I change the string representation of a Python class? [duplicate]
...
The closest equivalent to Java's toString is to implement __str__ for your class. Put this in your class definition:
def __str__(self):
return "foo"
You may also want to implement __repr__ to aid in debugging.
See here for more information:
Special Method Names - Basic Customizat...
C/C++ check if one bit is set in, i.e. int variable
... from 0) is set:
temp & (1 << N)
There is no builtin function for this.
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How to generate a random number in C++?
... main(void)
{
unsigned long j;
srand( (unsigned)time(NULL) );
for( j = 0; j < 100500; ++j )
{
int n;
/* skip rand() readings that would make n%6 non-uniformly distributed
(assuming rand() itself is uniformly distributed from 0 to RAND_MAX) */
wh...
TypeScript sorting an array
... if (n1 < n2) {
return -1;
}
return 0;
});
Objects
For objects, you can sort based on a property, bear in mind the above information about being able to short-hand number types. The below example works irrespective of the type.
var objectArray: { age: number; }[] = [{ age: 1...
How to obtain a Thread id in Python?
...writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
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mfc 按钮变成了非xp风格、界面变成windows经典样式的原因总结 - C/C++ - 清...
...xp风格 xp风格stdafx.h中添加：#ifdef _UNICODE#if defined _M_IX86#pragma co...首先看一下xp风格与非xp风格：
非xp风格 xp风格
stdafx.h中添加：
#ifdef _UNICODE
#if defined _M_IX86
#pragma comment(lin...
Convert floats to ints in Pandas?
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1 1.0000000
2 2.0000000
3 3.0000000
4 4.0000000
pd.options.display.float_format = '{:,.0f}'.format
df
Out[35]:
a
0 0
1 1
2 2
3 3
4 4
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How to convert JSON data into a Python object
...he dictionary, the order of items will directly correspond.". Good to know for such small, local code blocks. I'd add a comment though to explicitly alert maintainers of code of such a dependency.
– cfi
Jun 1 '16 at 7:33
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How to make a SPA SEO crawlable?
...andal on the client side with push-state enabled; I also use Breezejs for client-server data interaction, all of which I strongly recommend, but I'll try to give a general enough explanation that will also help people using other platforms.
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Java: Calling a super method which calls an overridden method
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@laycat: There is no need for a diagram. Just remember that Java has no "memory" for super. Every time it calls a method, it will look at the instance type, and start searching for the method with this type, no matter how often you called super. So wh...