SEARCH KEYWORD -- Div
Android create button tutorial
This tutorial assumes that you already have an activity and are using an XML layout. Open the layout XML and add the button element. Assign an ID with the “@+id” operator. The + tells Android to generate an ID for this element so that you can reference it in your Java files. This is an example. Your layout and text elements will probably be very different. In this example case, the ID of the button is “close”. <Button android:id="@+id/close" android:lay...
CSS DIV position analysis
When using CSS to set the position of DIV, we may often get confused with the 4 position properties : static, relative, absolute and fixed. If we don't understand them correctly, we may often get unexpected result. Here we make some analysis to them.The definitions of these 4 properties:static : The default position property. It has no position actually. The element will appear where it should be (top, bottom, left, right or z-index has no use here)relative : This one will position relati...
A list of different CAPTCHA designs
Here is a list of website CAPTCHA designs which demonstrate all kinds of weird verification methods. By looking at these designs, as a website designer, you should distinguish which design is accessible and which is not.Is this human readable?What characters are in the picture?One moreWe will be crazy if we see theseOMG,What's the answer?IQ Test?Are you a normal person?You know how blind people read?ASCII PictureAre you an adult?3D verification codereCaptchaIt increase a new feature recently. It...
CAPTCHA,Website design 2012-07-19 11:51:06
How I Quickly Test and Validate Startup Ideas
Since I’ve technically been unemployed now for a week, I’ve spent most of that time brainstorming some new ideas and putting them into a Google Spreadsheet.This week I began going through that list and pulling out the ones I think have a chance and I narrowed a pretty large list down to just a few.Let’s take one of the examples from my list. It doesn’t have a name, so let’s just call it Patient Connect.The idea behind Patient Connect is that it integrates with ...
Startup,Idea,Choose,Validation,Verify,Invest 2011-10-28 10:14:41
Workaround size limit of phpMyAdmin import sql file
When doing website development with MySQL, we often need to do database backup and restore. For website, the data in database will grow quickly, so when we back up the database, the size of the generated sql file may be over 80MB which is the max allowed size when we want to import a sql file for restoring our database using phpMyAdmin. To workaround this limit, we need to review the documentation of phpMyAdmin. Fortunately, I found an online article written by David Pratt which gave us a ...
MySQL,phpMySQLAdmin,80M,import,solution,limit 2014-08-14 09:59:27
The Best Hackers In The World All Come From One Country
Facebook, Zynga, and other hot companies use Interview Street to recruit programmers. Interview Street posts programming challenges and invites contenders to solve as many as they can. According to their message board, nine of Interview Street's top ten hackers are all from China. One is from an unknown country. A hacker called ralekseenkov, who is ranked number 11, is from the United States. What does that say about the talent crunch here? Read more: http://www.businessinsider.com/hackers-...
How The Web Became Just Another Interface to the Cloud
This post is part of our ReadWriteCloud channel, which is dedicated to covering virtualization and cloud computing. The channel is sponsored by Intel and VMware. Read the case study about how Intel Xeon processors and VMware deliver unprecedented reliability in the face of RAM errors.For years, everyone was talking about the convergence of interfaces. The Web, and as a result, the browser, were "clearly" about to take over as the major platforms and cloud computing emerged. Then, in March 2008, ...
If Multitasking Is Impossible, Why Are Some People So Good at It?
"Multitasking means screwing up several things at once," somebody once said, wrongly. In fact, we don't do many things at once, ever. We do many things in quick succession. And some of us are very good at it.Nagy-Bagoly Arpad/ShutterstockEverybody multitasks. We have conversations while driving. We answer email while browsing the Web. It's hard to imagine living any other way. What would be the alternative, removing the seats from your car to ensure you only drive alone? Block every website not ...
Multitasking,Human,Program,Task switch,Myth 2011-11-18 09:03:22
What is the use of empty struct in GoLang
In Go, an empty struct struct{} is a struct with no fields that may appear to be of little use, but in reality, it can be useful in certain situations and become a simple and efficient solution in code. As a semaphore or lock Because the empty struct has no fields, it can be conveniently used to implement some concurrency control functions, such as mutex locks, read-write locks. We can use chan struct{} to implement an unbuffered channel for controlling concurrent access. package main import ( ...
GOLANG,EMPTY STRUCT 2024-04-05 23:54:03
ECMAScript 6 looks promising
I am quite excited about ECMAScript 6, after watching David Herman’s talk at YUIConf 2011. I am especially looking forward to seeing some of these features landing up on V8 soon, so that I can use it on node.js. These additions will solve many common sources of frustration that newcomers face when working with JavaScript. Although the spec is not expected to be finalized till 2013 (so says David in the video), a lot of these features are expected to hit Chrome and Firefox much befor...
ECMAScript 6,JavaScript,new feature,let,template 2011-12-07 03:21:40
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