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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...
Possible reason for NGINX 499 error codes
...y timeout...or fixing the list so it's only size 1, see above :)
See also: https://serverfault.com/a/783624/27813
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imp
How can I add some small utility functions to my AngularJS application?
... allowed to be injected into config blocks. See these resources for more:
https://docs.angularjs.org/guide/module#module-loading-dependencies
AngularJS dependency injection of value inside of module.config
I don't think I'm going to update the actual code blocks below, because I'm not really acti...
Creating a textarea with auto-resize
...o';
this.style.height = (this.scrollHeight) + 'px';
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<textarea placeholder="Type, paste, cut text here...">PRELOADED TEXT.
This javascript should now add better support for IOS browsers ...
Drawing a line/path on Google Maps
....1), new LatLng(40.7, -74.0))
.width(5)
.color(Color.RED));
from https://developers.google.com/maps/documentation/android/reference/com/google/android/gms/maps/model/Polyline
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impro...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，我们就需要使用DNS来分配负载了：
转载自：http://www.cnblogs.com/loveis715/p/4547968.html企业级 负载平衡
Checking for a dirty index or untracked files with Git
...orlevel%
#returns 1 if the repos has changes (0 if clean)
Sourced from https://github.com/sindresorhus/pure/issues/115
Thanks to @paulirish on that post for sharing
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...ions that returns the token as a JSON response. The app can be accessed at https://uniquestrings.herokuapp.com/api/token?length=15
I hope this helps.
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iPhone App Icons - Exact Radius?
...atio of corner radius to icon size. There is also a very good answer from https://stackoverflow.com/a/29550364/396005 which has the location of image mask files used in the SDK for rounding icon corners
To add a retina-compatible file, use the same file name and add '@2x'. So if I had a file for ...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...m>
##
## This script is licensed under the terms of the MIT license.
## https://opensource.org/licenses/MIT
#
# Lockable script boilerplate
### HEADER ###
LOCKFILE="/var/lock/`basename $0`"
LOCKFD=99
# PRIVATE
_lock() { flock -$1 $LOCKFD; }
_no_more_locking() { _lock u; _lock xn &...