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Warning: The method assertEquals from the type Assert is deprecated
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Pycharm: run only part of my Python file
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3
Is there a way to do this without having to select the code section everytime ? For example in Spyder, we can write "#%%" at the beginning a...
Swift: Determine iOS Screen size [duplicate]
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In Swift 3.0
let screenSize = UIScreen.main.bounds
let screenWidth = screenSize.width
let screenHeight = screenSize.height
In older swift:
Do something like this:
let screenSize: CGRect = UIScreen.mainScreen().bounds
then you ca...
What do {curly braces} around javascript variable name mean [duplicate]
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238
This is what's known as a destructuring assignment, and it's a new feature of JavaScript 1.7 (a...
Updates were rejected because the tip of your current branch is behind hint: its remote counterpart.
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edited Nov 1 '17 at 14:31
Ninjakannon
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如何判断GIF是否是动图 - C/C++ - 清泛网 - 专注C/C++及内核技术
...图像会发现JFIF的标识,若为动图,则会出现GIF。charstrGIF[3];memcpy( strGIF, pbyImag...用记事本(或其他文本工具)打开图像文件,若是单图像会发现JFIF的标识,若为动图,则会出现GIF。
char strGIF[3];
memcpy( strGIF, pbyImageBuffer, 3 );
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码:
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
return 0;
}
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字符串指针变量与字符数组的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...后将存放字符串的内存起始地址送到指针变量pc中。
(3)赋值方式
字符数组只能对其元素逐个赋值,而不能将字符串赋给字符数组名。对于字符指针变量,字符串地址可直接赋给字符指针变量。例如:
str="I love China!...
error C2758: “ConstInit::cival”: 必须在构造函数基/成员初始值设定项列...
...量,可以再定义体中进行初始化
static const int period = 30;
public:
static const unsigned int ARRAY[3];//静态常量数组
};
const unsigned int ConstInit::ARRAY[3] = {1,3,5};
int main(int argc, char *argv[])
{
ConstInit ci;
cout<<ConstInit::ARRAY[1];
}
error...
c/c++ volatile和mutable关键字 - C/C++ - 清泛网 - 专注C/C++及内核技术
...服务子程序中会访问到的非自动变量(Non-automatic variables)
3) 多线程应用中被几个任务共享的变量
问题:
1)一个参数既可以是const还可以是volatile吗?解释为什么。
2); 一个指针可以是volatile 吗?解释为什么。
3); 下面的函数有...
