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C++ performance vs. Java/C#
My understanding is that C/C++ produces native code to run on a particular machine architecture. Conversely, languages like Java and C# run on top of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because ...
Storing Data in MySQL as JSON
I thought this was a n00b thing to do. And, so, I've never done it. Then I saw that FriendFeed did this and actually made their DB scale better and decreased latency. I'm curious if I should do this. And, if so, what's the right way to do it?
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How do you parse and process HTML/XML in PHP?
How can one parse HTML/XML and extract information from it?
30 Answers
30
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Graph visualization library in JavaScript
I have a data structure that represents a directed graph, and I want to render that dynamically on an HTML page. These graphs will usually be just a few nodes, maybe ten at the very upper end, so my guess is that performance isn't going to be a big deal. Ideally, I'd like to be able to hook it in w...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...iled example
Special circumstances
Limitation: Drawing and animation
Responsive design and Google Play
One tricky issue in designing apps is making apps that look good on devices with screens of differing sizes. For example, apps designed for a given phone should ...
subtle differences between JavaScript and Lua [closed]
...oesn't convert between types for any comparison operators. In JS, only === and !== don't type juggle.
Lua has an exponentiation operator (^); JS doesn't. JS uses different operators, including the ternary conditional operator (?: vs and/or), and, as of 5.3, bitwise operators (&, |, etc. vs. meta...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
...s, if compromised, are useless because the attacker requires the client id and secret in addition to the refresh token in order to gain an access token.
Having said that, because every call to both the authorization server and the resource server is done over SSL - including the original client id ...
Continuous Integration for Ruby on Rails? [closed]
...sed with the results. I came from a .NET shop that used CruiseControl.NET and was really spoiled with its ease of use and rich status/reporting.
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What are Aggregates and PODs and how/why are they special?
This FAQ is about Aggregates and PODs and covers the following material:
6 Answers
6...
How to apply specific CSS rules to Chrome only?
...rom https://jeffclayton.wordpress.com/2015/08/10/1279/
/* Chrome, Safari, AND NOW ALSO the Edge Browser and Firefox */
@media and (-webkit-min-device-pixel-ratio:0) {
div{top:10;}
}
/* Chrome 29+ */
@media screen and (-webkit-min-device-pixel-ratio:0)
and (min-resolution:.001dpcm) {
div{t...