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url - https://aws.amazon.com/blogs/security/a-safer-way-to-distribute-aws-credentials-to-ec2/

Finding hard-coded credentials in your code
Hopefully you’re excited about deploying credentials to EC2 that are automatically rotated.  Now that you’re using Roles, a good security practice would be to go through your code and remove any references to AKID/Secret.  We suggest running the following regular expressions against your code base:

Search for access key IDs: (?<![A-Z0-9])[A-Z0-9]{20}(?![A-Z0-9]).  In English, this regular expression says: Find me 20-character, uppercase, alphanumeric strings that don’t have any uppercase, alphanumeric characters immediately before or after.
Search for secret access keys: (?<![A-Za-z0-9/+=])[A-Za-z0-9/+=]{40}(?![A-Za-z0-9/+=]).  In English, this regular expression says: Find me 40-character, base-64 strings that don’t have any base 64 characters immediately before or after.
If grep is your preferred tool, run a recursive, Perl-compatible search using the following commands

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Step 1. 

Rename C:\code\ifrs17\.git\hooks\prepare-commit-msg.sample
and remove .sample

Step 2.
copy/paste the following bash script into prepare-commit-msg

#!/bin/bash

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A soft pastel color theme for mintty

This is ported version of color theme xoria256.

Settings

Merge mintty-color-xoria256-rc into your .minttyrc

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Notes from - http://nvie.com/posts/a-successful-git-branching-model/

The main branches  
    master
    develop

Supporting branches
    Feature branches
    Release branches
    Hotfix branches

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QUnit.begin(function(obj) {
  console.log("Test amount:" + obj.totalTests);
});

QUnit.moduleStart(function (obj) {
    console.log("##teamcity[testSuiteStarted name='" + obj.name + "']");
});

QUnit.moduleDone(function (obj) {
    console.log("##teamcity[testSuiteFinished name='" + obj.name + "']");

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#if you haven't already
1. Install chere

#Run the line below in terminal
chere -i -t mintty -f 


Add external tools on WebStorm(Settings):

Program: C:\cygwin64\bin\mintty.exe

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Use /J to create a hard link pointing to a directory, also known as a directory junction:
mklink /J Link Target
e.g mklink /J C:\LinkToFolder C:\Users\Name\OriginalFolder
Use quotes "" around the links if the names have spaces
e.g. mklink /J "C:\Link To Folder" "C:\Users\Name\Original Folder"

source - https://www.howtogeek.com/howto/16226/complete-guide-to-symbolic-links-symlinks-on-windows-or-linux/

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import yaml
a = [0, 1, ['a', 'b', 'c'], 2, 3, 4]
print yaml.dump(a)

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JavaScript's Math object provides a method for rounding to whole numbers. If we want to round to a set number of decimal places, then we have to handle that ourselves. This post doesn't get into the details of floating-point arithmetic, but the short of it is most programming languages use a binary floating-point representation which can only approximate many decimal fractions. This results in rounding errors for the most common approaches to rounding in JavaScript.

Rounding Errors
The most common solutions for rounding to a decimal place is to either use Number.prototype.toFixed(), or multiply the float by some power of 10 in order to leverage Math.round(). Both of these work, except sometimes a decimal of 5 is rounded down instead of up.

Number((1.005).toFixed(2)); // 1 instead of 1.01
Math.round(1.005*100)/100; // 1 instead of 1.01

A Better Solution
The rounding problem can be avoided by using numbers represented in exponential notation:

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url - https://forums.aws.amazon.com/message.jspa?messageID=671934
You could verify that they match a regular expression that describes every access key and every secret key (the AWS Security Blog has regexes you could use), but there's no way for the SDK to check if your credentials are valid without sending a request to a service. (Otherwise, the SDK would need to ship with everyone's access keys embedded in its source.)

If you do make a call to a service, though, the remote service will be able to validate your credentials and respond accordingly. If you call $s3Client->listBuckets() before calling $s3Client->registerStreamWrapper(), the client will call the service and convert the error to an exception if your credentials are invalid.