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How to implement onBackPressed() in Fragments?
...
but you can't use variables, classes & functions from fragment's class in this code
– user25
Dec 28 '16 at 12:57
...
HTTP Basic Authentication credentials passed in URL and encryption
...eness, "Internet Explorer does not support user names and passwords in Web site addresses (HTTP or HTTPS URLs)" Looks like only Internet Explorer versions 3.0 to 6.0 support the following syntax for HTTP or HTTPS URLs: http(s)://username:password@server/resource.ext Note: This change in the defa...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...le. With JSON your backend can work with XML, SVG, database engines, cross-site API and a thousand other frontends and systems that can accept JSON. With HTML, you will be only able to use it in within HTML.
– SF.
Mar 11 '10 at 15:43
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Getting image dimensions without reading the entire file
...th: Bytes 16-19
Height: Bytes 20-23
As mentioned above, wotsit is a good site for detailed specs on image and data formats though the PNG specs at pnglib are much more detailed. However, I think the Wikipedia entry on PNG and GIF formats is the best place to start.
Here’s my original code for c...
Why JavaScript rather than a standard browser virtual machine?
...w you architect your applications. I have worked with extremely robust Web sites and Web applications, and I have never once said, "Hmm, I really wish JavaScript could do (xyz)." If it could do that, then it wouldn't be JavaScript -- it would be ActionScript or AIR or Silverlight. I don't need that,...
JavaScript, Node.js: is Array.forEach asynchronous?
...given on MDN:
if (!Array.prototype.forEach)
{
Array.prototype.forEach = function(fun /*, thisp */)
{
"use strict";
if (this === void 0 || this === null)
throw new TypeError();
var t = Object(this);
var len = t.length >>> 0;
if (typeof fun !== "function")
...
Good PHP ORM Library?
...roducts'); // Automatically reads the above schema
$product->product_id=123;
$product->description='Sofa bed';
$product->save(); // ORM knows it's a new record
// Retrieve
$product->load('product_id=123');
echo $product->description;
// Update
$product->description='A better sofa...
Fast permutation -> number -> permutation mapping algorithms
... sure you still need the solution after these years. LOL, I just join this site, so ...
Check my Java Permutation Class. You can base on an index to get a symbol permutation, or give a symbol permutation then get the index.
Here is my Premutation Class
/**
****************************************...
Saving and Reading Bitmaps/Images from Internal memory in Android
...? I believe its nothing but Bitmap , the same instance you can pass to the function.
– Brijesh Thakur
Jul 16 '13 at 16:56
4
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Fixed point vs Floating point number
...of precision, so a value of 100 means actually means 1.00, 101 means 1.01, 12345 means 123.45, etc.
Floating point numbers are more general purpose because they can represent very small or very large numbers in the same way, but there is a small penalty in having to have extra storage for where the...