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Float vs Decimal in ActiveRecord
... why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fra...
Fluid or fixed grid system, in responsive design, based on Twitter Bootstrap
...des of one's Web page content.
container-fluid is added back in Bootstrap 3.1
A fluid grid layout uses all screen width and works better in large screen. It turns out that it is easy to create a fluid grid layout using Bootstrap 3 mixins. The following line makes a fluid responsive grid layout:
....
HTML5 Local Storage fallback solutions [closed]
...ll get native client-side storage support in IE 5.5+, Firefox 2.0+, Safari 3.1+, and Chrome; and plugin-assisted support if the browser has Flash or Gears. If you enable cookies, it will work in everything (but will be limited to 4 kB).
...
Android: how to draw a border to a LinearLayout
...ch" project (for android-8), define res/layout/main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
an...
How to center align the ActionBar title in Android?
...Bar().setCustomView(R.layout.abs_layout);
abs_layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
...
Twitter bootstrap dropdown goes outside the screen
...o ul.dropdown-menu should do it
Deprecation Notice: As of Bootstrap v3.1.0, .pull-right on dropdown menus is deprecated. To right-align a menu, use .dropdown-menu-right.
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Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...loudfront supports gzipping.
Cloudfront connects to your server via HTTP 1.0. By default some webservers, including nginx, dosn't serve gzipped content to HTTP 1.0 connections, but you can tell it to do by adding:
gzip_http_version 1.0
to your nginx config. The equivalent config could be set fo...
How to redirect to Index from another controller?
...
Complete answer (.Net Core 3.1)
Most answers here are correct but taken a bit out of context, so I will provide a full-fledged answer which works for Asp.Net Core 3.1. For completeness' sake:
[Route("health")]
[ApiController]
public class HealthContr...
Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
...neTransform currentCTM = CGContextGetCTM(context);
if (currentCTM.a == 1.0 && baseImage) {
//Calculate ideal scale
CGFloat scaleForWidth = baseImage.size.width/self.bounds.size.width;
CGFloat scaleForHeight = baseImage.size.height/self.bounds.size.height;
CGFloat imageSc...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...DF文件的平台。https://github.com/ChineseDron/pdf.js# 是从Mozilla原版中fork出来的一个版本，原版的链接在这里https://github.com/mozilla/pdf.js 原版的版次新一些，我们用原版。
PDF.js怎么用
这个viewer我觉得就是PDF.js的最终UI。根据以往经验...