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Doing HTTP requests FROM Laravel to an external API
... answered Feb 2 '15 at 16:04
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How to check that a string is an int, but not a double, etc.?
... for non-numeric strings: is_int("abc"+0) is true
– Kai Pommerenke
Jan 29 '13 at 18:07
1
True, it...
What does %~d0 mean in a Windows batch file?
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The magic variables %n contains the arguments used to invoke the file: %0 is the path to the bat-file itself, %1 is the first argument after, %2 is the second and so on.
Since the arguments are often file paths, there is some additional syntax to extr...
How do I add an existing directory tree to a project in Visual Studio?
...r. How can you do if you just want to reference some folders and files contained in an other project on your computer ?
– hico
Aug 7 '13 at 10:16
5
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原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
...原子交换，扩容采用链表的形式，代码可直接运行。
测试代码：
HPHP::AtomicVector<float> v_atom(2, 0.f);
void atom_vector_hphp() {
v_atom.exchange(0, 1);
v_atom.exchange(1, 2);
}
atomic vector folly
C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
...个实例(或多个副本)，若只想保存这个基类的一个实例，可以将这个公共基类说明为虚基类。
◇语法：
class 派生类: virtual 基类1，virtual 基类2，...，virtual 基类n
{
...//派生类成员声明
};
◇执行顺序
首先执行虚基类的构...
界面布局组件 · App Inventor 2 中文网
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使用水平布局组件来展示一组从左到右排列的组件，你可以在其中从左到右放置应该显示的组件。如果你想让组件显示在另一个上面，使用 垂直布局 代替。
在水平布局中，组件沿水平轴排列，垂直居中对齐。
如果水...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...别方便用来保存/恢复调用现场。
从这个意义上讲，我们可以把堆栈看成一个寄存、交换临时数据的内存区。
【例一】
用cl 编译两个小程序如下：
程序1:
int ar[30000];
void main()
{
......
}
程序2:
int ar[300000] = {1, 2, 3, 4, 5, ...
What is the fastest way to check if a class has a function defined?
I'm writing an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
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Rename an environment with virtualenvwrapper
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if you do:
$ ack-grep -ai doors ~/.virtualenvs/django/bin
you'll notice that will have doors as location and not django, you'll to change each file with the new location.
solution:
after renamed the folder execute the command below.
$ sed -i "...