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How to get current time and date in C++?
...
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation here
auto end = std::chrono...
How do I include a JavaScript file in another JavaScript file?
...t function hello() {
return "Hello";
}
Then main.js:
import { hello } from './module.js';
let val = hello(); // val is "Hello";
Using .mjs, you'd have module.mjs:
export function hello() {
return "Hello";
}
Then main.mjs:
import { hello } from './module.mjs';
let val = hello(); // val...
System.currentTimeMillis vs System.nanoTime
...() gives you a nanosecond-precise time, relative to some arbitrary point.
From the Java Documentation:
public static long nanoTime()
Returns the current value of the most precise available system timer, in nanoseconds.
This method can only be used to
measure elapsed time and is not
...
Saving interactive Matplotlib figures
...y figures are stored.
I'd suggest either (a) separate processing the data from generating the figure (which saves data with a unique name) and write a figure generating script (loading a specified file of the saved data) and editing as you see fit or (b) save as PDF/SVG/PostScript format and edit i...
How do I adb pull ALL files of a folder present in SD Card
...3.jpg
3 files pulled. 0 files skipped.
Specific Files/Folders using find from BusyBox:
adb shell find "/sdcard/Folder1" -iname "*.jpg" | tr -d '\015' | while read line; do adb pull "$line"; done;
Here is an explanation:
adb shell find "/sdcard/Folder1" - use the find command, use the top folde...
CKEditor automatically strips classes from div
...on which doesn't require modifying ckeditor js file.
this answer is copied from here. all credits should goes to original author.
Go to "Admin >> Configuration >> CKEditor"; under Profiles, choose your profile (e.g. Full).
Edit that profile, and on "Advanced Options >> Custom Java...
Workflow for statistical analysis and report writing
... in all the data required. Typically this is a short file, reading in data from files, URLs and/or ODBC. Depending on the project at this point I'll either write out the workspace using save() or just keep things in memory for the next step.
clean.R: This is where all the ugly stuff lives - taking ...
Message Queue vs Message Bus — what are the differences?
... BUS vs. QUEUE is indeed somewhat a legacy concept, most recently stemming from systems like IBM MQ and Tibco Rendezvous. MQ was originally a 1:1 system, indeed a queue to decouple various systems.
Tibco by contrast was (sold as a) messaging backbone, where you could have multiple publishers and s...
Why doesn't RecyclerView have onItemClickListener()?
...iewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.my_layout, parent, false);
MyAdapter.ViewHolder vh = new ViewHolder(v, new MyAdapter.ViewHolder.IMyViewHolderClicks() {
public void onPotato(View caller) { Log.d(...
Covariance and contravariance real world example
...
Let's say you have a class Person and a class that derives from it, Teacher. You have some operations that take an IEnumerable<Person> as the argument. In your School class you have a method that returns an IEnumerable<Teacher>. Covariance allows you to directly use th...