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How to get milliseconds from LocalDateTime in Java 8
...eady have a LocalDateTime or similar object from somewhere and you want to convert it to milliseconds since the epoch. It's not possible to do that directly, since the LocalDateTime family of objects has no notion of what time zone they're in. Thus time zone information needs to be supplied to find ...
An algorithm for inflating/deflating (offsetting, buffering) polygons
...ed this jsFiddle that uses JSTS (JavaScript port of JTS). You just need to convert the coordinates you have to JSTS coordinates:
function vectorCoordinates2JTS (polygon) {
var coordinates = [];
for (var i = 0; i < polygon.length; i++) {
coordinates.push(new jsts.geom.Coordinate(polygon[i...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
...
C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every c...
Java variable number or arguments for a method
...foo(new String[] { "foo", "bar" }); // Arrays are also accepted.
foo(); // And even no args.
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Is there a built-in method to compare collections?
...tents of a couple of collections in my Equals method. I have a Dictionary and an IList. Is there a built-in method to do this?
...
Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
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@rusty: If the connection failed and thus the request could not be sent and no response could be received, there won't be any http status code.
– Oliver
Apr 10 '14 at 11:34
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How to assign a Git SHA1's to a file without Git?
...uteHash
|> Array.fold (fun acc e ->
let t = System.Convert.ToString(e, 16)
if t.Length = 1 then acc + "0" + t else acc + t)
""
/// Calculates the SHA1 like git
let calcGitSHA1 (text:string) =
let s = text.Replace("\r\n","\n")
sprintf "blob %d%c%...
C# using streams
... say, you just want to transfer text.
However, .NET provides classes that convert between native types and the low-level stream interface, and transfers the data to or from the stream for you. Some notable such classes are:
StreamWriter // Badly named. Should be TextWriter.
StreamReader // Badly n...
How do I use valgrind to find memory leaks?
...un Valgrind
Not to insult the OP, but for those who come to this question and are still new to Linux—you might have to install Valgrind on your system.
sudo apt install valgrind # Ubuntu, Debian, etc.
sudo yum install valgrind # RHEL, CentOS, Fedora, etc.
Valgrind is readily usable for C/C++...
Closure in Java 7 [closed]
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If anyone is dumb like me and if you are beating your head against the wall just to know What the hack is this Closure....then here you go.. youtube.com/watch?v=Nj3_DMUXEbE
– Piyush Kukadiya
Jan 2 '17 at 7:35
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