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How to determine if a list of polygon points are in clockwise order?
...t a handful of large values could outweigh a large number of small values. Now consider arcsin of each value vs not. Isn't it still the case that failing to take arcsin gives incorrect weight to each value, therefore has same flaw (though much less so)?
– ToolmakerSteve
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Difference between “process.stdout.write” and “console.log” in node.js?
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I know this is a very old question but I didn't see anybody talking about the main difference between process.stdout.write and console.log and I just want to mention it.
As Mauvis Leford and TK-421 pointed out, the console.log ...
Stripping everything but alphanumeric chars from a string in Python
...it -s \
"import string" \
"''.join(ch for ch in string.printable if ch.isalnum())"
10000 loops, best of 3: 57.6 usec per loop
$ python -m timeit -s \
"import string" \
"filter(str.isalnum, string.printable)"
10000 loops, best of 3: 37.9 usec per loop
$ python -m...
byte[] to hex string [duplicate]
...ect(b => b.ToString("X2")) does not work prior to 4.0, the same code is now working on 4.0.
This code...
byte[] ba = { 1, 2, 4, 8, 16, 32 };
string s = string.Concat(ba.Select(b => b.ToString("X2")));
string t = string.Concat(ba.Select(b => b.ToString("X2")).ToArray());
Console.WriteLin...
Shell command to sum integers, one per line?
...the stack has two or more values, run "add_top_of_stack"
Print the result, now the only item left in the stack
To really understand the simplicity and power of dc, here is a working Python script that implements some of the commands from dc and executes a Python version of the above command
如何获取IE (控件)的所有链接（包括Frameset, iframe） - 其他 - 清泛IT社...
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IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：
CComPtr<IHTMLElement> body;
...
CComPtr<IDispatch> spDispCollection;
body->get_all(&spDispCollection);复制代码所以要获取iframe/frame(frameset) 里面的节点列表...
Why do we need a pure virtual destructor in C++?
...class Base
{
public:
Base();
virtual ~Base() = 0; // Pure virtual, now no one can create the Base Object directly
};
Base::Base() { cout << "Base Constructor" << endl; }
Base::~Base() { cout << "Base Destructor" << endl; }
class Derived : public Base
{
public:
...
How to capture UIView to UIImage without loss of quality on retina display
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The currently accepted answer is now out of date, at least if you are supporting iOS 7.
Here is what you should be using if you are only supporting iOS7+:
+ (UIImage *) imageWithView:(UIView *)view
{
UIGraphicsBeginImageContextWithOptions(view.bounds.s...
How to use ArrayAdapter
I have created row.xml in layouts, but don't know how to show both reason and long_val in the ListView using ArrayAdapter.
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
... I didn't do that, but also would just need 1 join on multiple fields. But now I need more, and it ONLY WORKS if I assign a variable name to the fields like in this example.
– user2415376
Oct 28 '16 at 14:14
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