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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
... is used to get unique property names; if all elements already have unique string representations (as is the case with numbers), you can speed up the code by dropping the toSource() invocations.
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Calling static generic methods
...JLS section 15.12.2.8. To be explicit, you'd call something like:
Foo.<String>createFoo();
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
... and, if that symbol is recognized as a valid predefined format, returns a String with the appropriate formatting.
Those symbols are defined by Time::DATE_FORMATS, which is a hash of symbols to either strings for the standard formatting function... or procs. Bwahaha.
d = DateTime.now #Examples ...
How to assign a heredoc value to a variable in Bash?
I have this multi-line string (quotes included):
11 Answers
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How to properly compare two Integers in Java?
...imizing in this way:
public class BoxingLol {
public static void main(String[] args) {
for (int i = 0; i < Integer.MAX_VALUE; i++) {
Integer a = i;
Integer b = i;
if (a != b) {
System.out.println("Done: " + i);
Syste...
BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
文章源自：https://www.gandalf.site/2018/11/ble_26.html
商业级的Ellisys BEX400侦听工具最为符合对BLE流量捕获及分析的要求，然而售价过于昂贵；
其次，作为开源硬件且配有混杂模式追踪的“超牙”设备——Ubertooth One拥有二次开发和嗅...
jQuery Set Cursor Position in Text Area
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What's the significance of the string literal 'character'? Does that specific string need to be used?
– Jon Schneider
Mar 31 '17 at 15:46
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How does Access-Control-Allow-Origin header work?
...that'll work, that'll let everybody in. Or if the server always sends the string from the Origin: header... but... for security, if you're afraid of hackers, your server should only allow origins on a shortlist, that are allowed to make those requests.
Then, MyCode.js comes from siteA. When it ma...
Multiple inheritance for an anonymous class
...two (or more) interfaces? Alternatively, how can it both extend a class and implement an interface?
For example, I want to create an object of anonymous class that extends two interfaces:
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C pointer to array/array of pointers disambiguation
... Example:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define NUM_ELEM(ar) (sizeof(ar) / sizeof((ar)[0]))
int *
put_off(const int newrow[2])
{
static int mymatrix[3][2];
static int (*rowp)[2] = mymatrix;
int (* const border)[] = mymatrix + NUM_ELEM(mym...