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How can I measure the similarity between two images? [closed]
...scaling (once the histogram is normalised), and rotation/shifting/movement etc.
Avoid pixel-by-pixel comparisons as if the image is rotated/shifted slightly it may lead to a large difference being reported.
Histograms would be straightforward to generate yourself (assuming you can get access to pi...
How to see the changes between two commits without commits in-between?
...er than 'abcdef's immediate ancestor. Of course, you may get conflicts and etc, so it's not a very useful process in most cases.
If you're just interested in abcdef itself, you can do:
$ git log -u -1 abcdef
This compares abcdef to its immediate ancestor, alone, and is usually what you want.
An...
How to calculate the time interval between two time strings
...() method (since Python 2.7)), hours (td / timedelta(hours=1) (Python 3)), etc.
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Convert Data URI to File then append to FormData
... Just an idea: array=[]; array.length=binary.length; ... array[i]=bina... etc. So the array is pre-allocated. It saves a push() having to extend the array each iteration, and we're processing possibly millions of items (=bytes) here, so it matters.
– DDS
Mar 1...
Run command on the Ansible host
...at it does not make sense to delegate all tasks, debug, add_host, include, etc always get executed on the controller. Using this with the ‘serial’ keyword to control the number of hosts executing at one time is also a good idea:
---
- hosts: webservers
serial: 5
tasks:
- name: take out...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
...u're in a Node/CommonJS + Browser environment (e.g. electron, node-webkit, etc..); the reason for this error is that jQuery's export logic first checks for module, not window:
if (typeof module === "object" && typeof module.exports === "object") {
// CommonJS/Node
} else {
// window...
How to cat a file containing code?
... document will undergo variable substitution, backticks will be evaluated, etc, like you discovered.
If you need to expand some, but not all, values, you need to individually escape the ones you want to prevent.
cat <<EOF >>brightup.sh
#!/bin/sh
# Created on $(date # : <<-- this ...
Password masking console application
...ressed does not correspond to a printable character, e.g. F1, Pause-Break, etc
{
pwd.AppendChar(i.KeyChar);
Console.Write("*");
}
}
return pwd;
}
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Preview an image before it is uploaded
... @Raptor and so is the whole File API... (FileReader, input.files etc.) URL.createObjectURL is the way to go when dealing with user submitted files, it only creates an in-memory symlink to the real file on user's disk.
– Kaiido
Jul 2 '17 at 2:20
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How can I remove a character from a string using Javascript?
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/each char in this pattern/
So read as e, followed by a, followed by c, etc...
Or a single <a character or set of charcters> could be characters described by a character class:
/[123!y]/
//any one of these
/[^123!y]/
//anything but one of the chars following '^' (very useful/performance e...