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Image fingerprint to compare similarity of many images
...ely take a look at phash.
For image comparison there is this php project :
https://github.com/kennethrapp/phasher
And my little javascript clone:
https://redaktor.me/phasher/demo_js/index.html
Unfortunately this is "bitcount"-based but will recognize rotated images.
Another approach in javascript wa...
How to capture the “virtual keyboard show/hide” event in Android?
...o framework support for that.
This is a good answer on this exact question https://stackoverflow.com/a/36259261/372076. Alternatively, here's a page giving some different approaches to achieve this pre Android 11:
https://developer.salesforce.com/docs/atlas.en-us.noversion.service_sdk_android.meta/s...
Can you require two form fields to match with HTML5?
...
Not only HTML5 but a bit of JavaScript
Click [here]https://codepen.io/diegoleme/pen/surIK
HTML
<form class="pure-form">
<fieldset>
<legend>Confirm password with HTML5</legend>
<input type="password" placeholder="Password" ...
Difference between single and double square brackets in Bash
...IX vs Bash extension:
[ is POSIX
[[ is a Bash extension¹ documented at: https://www.gnu.org/software/bash/manual/bash.html#Conditional-Constructs
regular command vs magic
[ is just a regular command with a weird name.
] is just an argument of [ that prevents further arguments from being used....
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...ing Hapi.js + Socket.io + Redis Pub/Sub Example with End-to-End Tests!
https://github.com/dwyl/hapi-socketio-redis-chat-example
The Pub/Sub component is only a few lines of node.js code:
https://github.com/dwyl/hapi-socketio-redis-chat-example/blob/master/lib/chat.js#L33-L40
Rather than pasti...
Why does “pip install” inside Python raise a SyntaxError?
...f you're building own GUI package manager with alternative resourcess like https://www.lfd.uci.edu/~gohlke/pythonlibs/
Following soulution is OUT OF DATE, instead of downvoting suggest updates. see https://github.com/pypa/pip/issues/7498 for reference.
UPDATE: Since pip version 10.x there is no mo...
How does inline Javascript (in HTML) work?
...it wrapped in script tags or not, it's gonna be interpreted the same way.
https://www.w3.org/TR/html5/webappapis.html#event-handler-idl-attributes
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TypeError: got multiple values for argument
...ass Example():
def is_overlapping(x1, x2, y1, y2):
# Thanks to https://stackoverflow.com/a/12888920/940592
return max(x1, y1) <= min(x2, y2)
Fails calling it like self.is_overlapping(x1=2, x2=4, y1=3, y2=5)
with:
{TypeError} is_overlapping() got multiple values for argu...
Calc of max, or max of calc in CSS
... part of the spec.
Here you can check for max() Browser compatibility:
https://developer.mozilla.org/en-US/docs/Web/CSS/max#Browser_compatibility.
Here is the draft of of the proposal:
https://drafts.csswg.org/css-values-4/#comp-func.
Scroll to the top of the page to see the last revision date...
Disable developer mode extensions pop up in Chrome
...kins)
This is the current, literally official way to set Chrome policies:
https://support.google.com/chrome/a/answer/187202?hl=en
The Windows and Linux templates, as well as common policy
documentation for all operating systems, can be found here:
https://dl.google.com/dl/edgedl/chrome/poli...