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Easily measure elapsed time
...e complete code can be found here. My attempt to build a benchmarking tool based on chrono is recorded here.
If C++17's std::invoke is available, the invocation of the callable in execution could be done like this :
invoke(forward<decltype(func)>(func), forward<Args>(args)...);
to...
Image fingerprint to compare similarity of many images
...://redaktor.me/phasher/demo_js/index.html
Unfortunately this is "bitcount"-based but will recognize rotated images.
Another approach in javascript was to build a luminosity histogram from the image by the help of canvas. You can visualize a polygon histogram on the canvas and compare that polygon in...
Good examples of MVVM Template
...pproach, which is not quite classic MVVM, can be summarized as follows:
A base class for a dialog ViewModel that exposes commands for commit and cancel actions, an event to lets the view know that a dialog is ready to be closed, and whatever else you will need in all of your dialogs.
A generic vi...
unsigned int vs. size_t
...ry model: Pointers are far (32-bit), but individual objects are limited to 64k (so size_t can be 16-bit).
– dan04
Nov 28 '10 at 3:46
8
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Get current time in milliseconds in Python?
...
For what I needed, here's what I did, based on @samplebias' comment above:
import time
millis = int(round(time.time() * 1000))
print millis
Quick'n'easy. Thanks all, sorry for the brain fart.
For reuse:
import time
current_milli_time = lambda: int(round(tim...
window.close and self.close do not close the window in Chrome
... plain window.close(). EG:
// ==UserScript==
// @name window.close demo
// @include http://YOUR_SERVER.COM/YOUR_PATH/*
// @grant GM_addStyle
// ==/UserScript==
setTimeout (window.close, 5000);
Thanks to zanetu for the update. Note that this will not work if there is only one ta...
jquery input select all on focus
...e='text']").on("click", function () {
$(this).select();
});
Here is a demo
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Declaring variables inside or outside of a loop
...performance requirements instead of having to go all over your entire code base and tweak and hack things in order to squeeze clock cycles here and there.
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How to wait in a batch script? [duplicate]
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I added the actual function its called timeout.. ss64.com/nt/timeout.html at least I know that others didn't know either :)
– Thomaschaaf
Apr 9 '09 at 19:42
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CSS image resize percentage of itself?
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I have 2 methods for you.
Method 1. demo on jsFiddle
This method resize image only visual not it actual dimensions in DOM, and visual state after resize centered in middle of original size.
html:
<img class="fake" src="example.png" />
css:
img {
-webki...