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Difference between local and global indexes in DynamoDB
...
This documentaion gives pretty good explanation :
https://aws.amazon.com/blogs/aws/now-available-global-secondary-indexes-for-amazon-dynamodb/
I could not comment on this Question ,but which is better in terms of write and read performance :
(Local Index with Table read a...
Is it necessary to write HEAD, BODY and HTML tags?
...es <html>, <head>, <body>, <p> and <li>.
https://google.github.io/styleguide/htmlcssguide.html#Optional_Tags
For file size optimization and scannability purposes, consider
omitting optional tags. The HTML5 specification defines what tags can
be omitted.
...
CSS: fixed position on x-axis but not y?
...{
background: red;
width: 50px;
height: 50px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="container">
<div class="position-fixed-y red-box">
</div>
The pattern of base pairs in the DNA dou...
File name? Path name? Base name? Naming standard for pieces of a path
...athlib standard library has a great naming convention for path components:
https://docs.python.org/3/library/pathlib.html
a) C:\users\OddThinking\Documents\My Source\Widget\foo.src
stem
b) C:\users\OddThinking\Documents\My Source\Widget\foo.src
name
c) C:\users\OddThinking\Documents\My ...
What does O(log n) mean exactly?
...t, you'll want to have a general idea of Logarithm, which you can get from https://en.wikipedia.org/wiki/Logarithm . Natural science use e and the natural log. Engineering disciples will use log_10 (log base 10) and computer scientists will use log_2 (log base 2) a lot, since computers are binary ba...
“Thinking in AngularJS” if I have a jQuery background? [closed]
...services and filters to help separate/organize your application.
See also https://stackoverflow.com/a/14346528/215945
Application design
One approach to designing an AngularJS application:
Think about your models. Create services or your own JavaScript objects for those models.
Think about how ...
Get epoch for a specific date using Javascript
...eUploader: {
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Solving “Who owns the Zebra” programmatically?
... pip install python-constraint
To install manually:
download:
$ wget https://pypi.python.org/packages/source/p/python-constraint/python-constraint-1.2.tar.bz2#md5=d58de49c85992493db53fcb59b9a0a45
extract (Linux/Mac/BSD):
$ bzip2 -cd python-constraint-1.2.tar.bz2 | tar xvf -
extract (Windows, ...
Explanation of strong and weak storage in iOS5
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Why are C# interface methods not declared abstract or virtual?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...