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How to determine if a list of polygon points are in clockwise order?
...formula above? It ends with "xn*y1 - x1*yn"; when I believe it should be "x_n y_{n+1} - y_n x_{n-1}" (in LaTeX, at least). On the other hand, it's been ten years since I took any linear algebra classes.
– Michael Eric Oberlin
May 25 '15 at 20:25
...
Comparing date part only without comparing time in JavaScript
...ne offset, or is already UTC, just keep the date part, reflecting the date _in that timezone_
if(typeof initDate === "string" && initDate.match(/((\+|-)\d{2}:\d{2}|Z)$/gm)){
utcMidnightDateObj = new Date( initDate.substring(0,10) + 'T00:00:00Z');
} else {
// if init date is no...
Compression/Decompression string with C#
...stream.GetBuffer();
}
}
public static async Task<T> _Deserialize<T>(this byte[] arr)
{
using (MemoryStream stream = new MemoryStream())
{
BinaryFormatter binaryFormatter = new BinaryFormatter();
await stream.WriteAsync(arr, 0, ...
An async/await example that causes a deadlock
...u:
So this is what happens, starting with the top-level method (Button1_Click for UI / MyController.Get for ASP.NET):
The top-level method calls GetJsonAsync (within the UI/ASP.NET context).
GetJsonAsync starts the REST request by calling HttpClient.GetStringAsync (still within the con...
node.js: read a text file into an array. (Each line an item in the array.)
...ade by Windows, I had to split \r\n but that broke Macs; so a more robust; _array = string.replace(/\r\n/g,'\n').split('\n'); worked for both
– Will Hancock
May 5 '15 at 15:37
6
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JavaScript function order: why does it matter?
...t): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Scope_Cheatsheet
This weird behavior depends on
How you define the functions and
When you call them.
Here's some examples.
bar(); //This won't throw an error
function bar() {}
foo(); //This will throw an error
var foo = f...
Which is best way to define constants in android, either static class, interface or xml resource?
...ER = "http://192.168.100.2/bs.dev/nrum";
public static final String API_END = SERVER + "/dataProvider";
public static final String NEWS_API = API_END + "/newsApi";
public static final String BANNER_API = API_END + "/bannerApi/lists";
public static final String NOTICE_API = API_END + ...
nginx upload client_max_body_size issue
...maximum size of files I want uploaded.
To do that, I set the nginx client_max_body_size to 1m (1MB) and expect a HTTP 413 (Request Entity Too Large) status in response when that rule breaks.
...
What does passport.session() middleware do?
...r/lib/strategies/session.js
Specifically lines 59-60:
var property = req._passport.instance._userProperty || 'user';
req[property] = user;
Where it essentially acts as a middleware and alters the value of the 'user' property in the req object to contain the deserialized identity of the user. To ...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...
@Shuzheng _Please read the sentence carefully. It says neither what you or Kaz think it says._
– Sinan Ünür
Nov 21 '19 at 1:58
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