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Declaring variables inside or outside of a loop
...ou declare a variable inside a loop or before the loop?
GitHub repository: https://github.com/gunduru/jvdt
Test Results for double case and 100M loop (and yes all JVM details): https://microbenchmarks.appspot.com/runs/b1cef8d1-0e2c-4120-be61-a99faff625b4
DeclaredBefore 1,759.209 ns
DeclaredInsi...
Amazon S3 direct file upload from client browser - private key disclosure
...t;
<title>AWS S3 File Upload</title>
<script src="https://sdk.amazonaws.com/js/aws-sdk-2.1.12.min.js"></script>
</head>
<body>
<input type="file" id="file-chooser" />
<button id="upload-button">Upload to S3</button>
&...
What's the difference between a Future and a Promise?
...eded.
For example take a look at how promises are defined in javascript:
https://promisesaplus.com/
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise
The focus is on the composability using the then method like:
asyncOp1()
.then(function(op1Result){
// d...
Does Python optimize tail recursion?
...ptimization (handling both tail-recursion and continuation-passing style): https://github.com/baruchel/tco
Optimizing tail-recursion in Python
It has often been claimed that tail-recursion doesn't suit the Pythonic way of coding and that one shouldn't care about how to embed it in a loop. I don't ...
Detecting a mobile browser
...@Gajus pointed out, this solution is now deprecated and shouldn't be used (https://developer.mozilla.org/en-US/docs/Web/API/Window/orientation)
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AngularJS routing without the hash '#'
...
The following information is from:
https://scotch.io/quick-tips/pretty-urls-in-angularjs-removing-the-hashtag
It is very easy to get clean URLs and remove the hashtag from the URL in Angular.
By default, AngularJS will route URLs with a hashtag
For Example:
...
Accessing an SQLite Database in Swift
...er and get a bit familiar with Swift in the process. You can find it here: https://github.com/chrismsimpson/SwiftSQLite.
var db = SQLiteDatabase();
db.open("/path/to/database.sqlite");
var statement = SQLiteStatement(database: db);
if ( statement.prepare("SELECT * FROM tableName WHERE Id = ?") !=...
CSS customized scroll bar in div
...(WebKit)
Similarly, WebKit now has its own version:
Styling scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollbar { }
::-webkit-scrollbar-button...
iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...r integration tests, I've used UISpec with some success (github fork here: https://github.com/drync/UISpec), but am looking forward to trying iCuke, since it promises to be a lightweight setup, and you can use the rails testing goodness, like RSpec and Cucumber.
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Generate random numbers using C++11 random library
...turn random iterator
And even more things ! Check out the github page:
https://github.com/effolkronium/random
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