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Concurrent vs serial queues in GCD
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A simple example: you have a block that takes a minute to execute. You add it to a queue from t...
Is there a difference between foreach and map?
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answered Dec 10 '08 at 2:14
madlepmadlep
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Retrieve database or any other file from the Internal Storage using run-as
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String output: format or concat in C#?
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plot a circle with pyplot
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Here's an example of doing this:
import matplotlib.pyplot as plt
circle1 = plt.Circle((0, 0), 0.2, color='r')
circle2 = plt.Circle((0.5, 0.5), 0.2, color='blue')
circle3 = plt.Circle((1, 1), 0.2, color='g', clip_on=False)
fig, ax = plt.subplots() # note we must use plt.subplots, not plt.subplot...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...码copy过去编译和调试，我把代码列在下面：
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#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, ...
Javascript Equivalent to PHP Explode()
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URL encoding in Android
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edited Oct 4 '13 at 15:32
JJD
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Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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