大约有 42,000 项符合查询结果(耗时:0.0578秒) [XML]
How can HTML5 “replace” Flash? [closed]
A topic of debate that's seen a resurgence since the unveiling of the iPad is the issue of Flash versus HTML5. There are those that suggest that HTML5 will one day supplant/replace Adobe Flash.
...
JavaScript frameworks to build single page applications [closed]
My goal is to migrate an existing web application to a RESTful single page application (SPA).
Currently, I'm evaluating several Javascript web application frameworks.
...
What is the !! (not not) operator in JavaScript?
I saw some code that seems to use an operator I don't recognize, in the form of two exclamation points, like so: !! . Can someone please tell me what this operator does?
...
Possible to iterate backwards through a foreach?
I know I could use a for statement and achieve the same effect, but can I loop backwards through a foreach loop in C#?
...
Null vs. False vs. 0 in PHP
I am told that good developers can spot/utilize the difference between Null and False and 0 and all the other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
...
How to draw polygons on an HTML5 canvas?
I need to know how to draw polygons on a canvas. Without using jQuery or anything like that.
9 Answers
...
How to write the Fibonacci Sequence?
I had originally coded the program wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displa...
Oracle: how to UPSERT (update or insert into a table?)
The UPSERT operation either updates or inserts a row in a table, depending if the table already has a row that matches the data:
...
C++ IDE for Linux? [closed]
I want to expand my programming horizons to Linux. A good, dependable basic toolset is important, and what is more basic than an IDE?
...
How to populate/instantiate a C# array with a single value?
I know that instantiated arrays of value types in C# are automatically populated with the default value of the type (e.g. false for bool, 0 for int, etc.).
...
