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What's the difference between using CGFloat and float?
I tend to use CGFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference?
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
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To solve this, I ensured all my projects used the same version by running the following command and checking the results:
update-package Newtonsoft.Json -reinstall
And, lastly I removed the following from my web.config:
<dependentAssembly>...
Can't find the 'libpq-fe.h header when trying to install pg gem
...on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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Path of assets in CSS files in Symfony 2
...ge in /web/bundles/mynicebundle/images/devil.png
I have made a test with ALL possible (sane) combinations of the following:
@notation, relative notation
Parse with cssrewrite, without it
CSS image background vs direct <img> tag src= to the very same image than CSS
CSS parsed with assetic a...
Is it possible to ping a server from Javascript?
...ther parts of the source but you get the idea).
function Pinger_ping(ip, callback) {
if(!this.inUse) {
this.inUse = true;
this.callback = callback
this.ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerro...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
创建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
SQlite Getting nearest locations (with latitude and longitude)
...n.
2) Now you can loop on these filtered data and determine if they are really near your point (in the circle) or not using the following methods:
public static boolean pointIsInCircle(PointF pointForCheck, PointF center,
double radius) {
if (getDistanceBetweenTwoPoints(pointFo...
App Inventor 2 手机AI伴侣进行测试时，为啥进度条卡在10%就一直不动？ - A...
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原因很简单：手机和电脑没有在同一局域网内导致的，App Inventor 2 测试原理是电脑端在局域网内启动一个WEB服务器，AI伴侣扫码后手机和WEB服务器进行通信，完成App的测试。因此如果不在一个局域网内，两者就无法进行通信。...
Execute method on startup in Spring
...n and it executes just after the startup, but then it will execute periodically.
13 Answers
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...at I'll refer to as "the Gmail three-fragment animation" scenario. Specifically, we want to start with two fragments, like this:
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