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Storing Image Data for offline web application (client-side storage database)
...24, FireFox 18, IE 10
Should also work with Chrome & FF for Android
Fetch from web server
using XHR2 (supported on almost all browsers) for blob download from web server
I went with XHR2-Lib by Phil Parsons, which is very much like JQUERY .ajax()
https://github.com/p-m-p/xhr2-lib
Stora...
Why do we need virtual functions in C++?
...- obviously wrapping the variable declaration and calls in a main function etc. Pointer-to-derived implicitly casts to pointer-to-base (more specialized implicitly casts to more general). Visa-versa you need an explicit cast, usually a dynamic_cast. Anything else - very prone to undefined behavior s...
Short description of the scoping rules?
... Names preassigned in the built-in names module: open, range, SyntaxError, etc
So, in the case of
code1
class Foo:
code2
def spam():
code3
for code4:
code5
x()
The for loop does not have its own namespace. In LEGB order, the scopes would be
L: ...
What are “first class” objects?
...r sections of code(method arguments), ability to store in a data structure etc. If we can do the same with an entity which is not normally considered as a object, like functions in the case of java script, such entities are considered to be first class objects.
First class essentially here means, n...
Using WebAPI or MVC to return JSON in ASP.NET
...g an API. If you want someone to be able to consume your API in XML, JSON, etc. You can make a web api.
In your case you only need to talk to client in JSON.
Even though your website is mostly client script driven you would still be using ASP.NET MVC Controller right? And since you may have alread...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
...d to cast between
the integer types. 'e.g.' char->long, int->short etc.
Static cast is also used to cast pointers to related types, for
example casting void* to the appropriate type.
dynamic_cast
Dynamic cast is used to convert pointers and references at run-time,
generall...
File input 'accept' attribute - is it useful?
...y selection. I tried many variations - space delimited, no dot characters, etc., but no dice in Chrome v20, so I ended up using the mime types and it worked great: accept='image/jpeg,image/gif,image/png,application/pdf,image/x-eps'
– Charlie Schliesser
Jun 27 '...
Drawing Isometric game worlds
...t his feet; tree's base is at it's roots; airplane's base is center-image, etc.) Then I just sort lowest to highest level, then lowest (highest on-screen) to highest base-Y, then lowest (left-most) to highest base-X. This renders the tiles the way one would expect.
Code to convert screen (point) ...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...e tremor input.
Finally: for whatever controls you are programming (links, etc.):
capture click events, nudge them to the current "tremor" location based on the state of your tremor curves, and bounds-check your elements to see if the user has shaken out of the element intended, or possibly into an...
String, StringBuffer, and StringBuilder
...)
.toString()
Or
String s = new StringBuilder(100).appe..... etc. ...
// The difference is a size of 100 will be allocated upfront as fuzzy lollipop points out.
StringBuffer ( the syntax is exactly as with StringBuilder, the effects differ )
About
StringBuffer vs. StringBuilder ...