The Top 8 Placeholder Services for Web Designers

* placeholder : 웹페이지에서 화면을 잡아주는 것. 이미지.

1 – PlaceKitten

A quick and simple service for getting pictures of kittens for use as placeholders in your designs or code. Just put your image size (width & height) after our URL and you’ll get a placeholder.

Usage

Follow the placekitten.com url with your desired dimensions. For example, if I needed a 450 x 300 placeholder image, I’d set the source attribute of an image tag to: http://placekitten.com/450/300.

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2 – Placehold.it

A quick and simple image placeholder service.

Usage

Note that, with this service, you set your dimensions more traditionally, rather than separating the widths and heights into segments.

Placehold.it is a bit different in that, rather than using photos for placeholders, it instead uses more traditional solid color images, which might be more appealing to some designers.

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3 – SheenHolders

Add some Sheen to your designs and prototypes with Charlie Sheen placeholder pictures. Simply change the width and height in the URL to get your custom placeholder.

Usage

If you want your web designs to be winning, then you need the Sheen!

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4 – FlickHoldr

Get placeholders related to the site you are developing, by pulling images from flickr based on tags.

Usage

FlickrHolder is helpful in that, in addition to using Flickr photos as the placeholders, it also allows you to choose a desired tag as the third segment. You can even choose to display photos in black and white.

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5 – LoremPixum

Placeholder Images for every case. Webdesign or Print. It’s simple and absolutely free!

Usage

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6 – PlaceDog

Dogs are so superior to felines. Just choose your dimensions in the pathname and share the doggie love on your projects.

Usage

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7 – DummyImage

Usage

DummyImage is particularly nice, when compared to some of its competitors, in that it offers a great deal of flexibility. Let’s take a look at some of the available options.

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8 – Griddle.it

A clean and simple way to help align your layouts. No complex grid frameworks necessary.

Certainly, Griddle.it is unique compared to its peers because its focus is on creating grid images, which can then be applied to the background of your web design during production. View a live demo here.

Usage

Applying a background grid requires the following format: http://griddle.it/[total width]-[number of columns]-[gutter size].

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실무 웹앱 개발을 위한 jQuery Mobile 과 Sencha Touch 비교

http://w3labs.kr/?p=326

개발방식의 차이

둘은 똑같이 Mobile JavaScript Library라는 공통점을 지니고 있지만, 개발에 사용되는 언어의 차이가 크다. jQuery Mobile은 기존 HTML 개발하듯이 마크업 중심의 구성을 갖고 있으며, Sencha Touch는 JavaScript로 개발을 하는데 특히 ExtJS 라이브러리 중심으로 구성되어 있다. 이는 개발 난이도를 결정하는 요소가 된다. ExtJS 라이브러리를 다룰 수 있는 개발자가 거의 없기에(외국에도 많이 쓰이지는 않는다.) ExtJS를 먼저 학습해야 하는 비용이 추가된다. 그에 반해 jQuery Mobile은 우리에게 익숙한 HTML 중심의 마크업 언어라서 잠깐의 교육만으로도 바로 개발이 가능하다.

실무에 어떤 라이브러리를 선택할 것인가?

"개발방시의 차이"는 때때로 인력 구성의 심각한 문제를 가져 올 수 있다. 미래웹기술연구소에서 수행했던 프로젝트의 경우 디자이너/Web UI Developer(HTML/CSS 코딩)/자바스크립트 엔지니어 이렇게 분업이 잘 되어 있다. Web UI Developer 가 없는 프로젝트에서는 디자이너가 HTML/CSS 코딩 역할을 대신 하기도 한다. 그러나 Sencha Touch 중심의 웹앱 프로젝트에서는 Web UI Developer가 Sencha Touch나 ExtJS를 모르면 아무런 작업을 할 수 없다. 그렇게 Web UI Developer가 하지 못한 작업들은 고스란히 자바스크립트 엔지니어에게 전가 된다.(하지만 전달받은 개발자 또한 ExtJS 라이브러리가 익숙한 것은 아닐 것이다.) 그래서 웹앱개발을 위한 자바스크립트 라이브러리 선택시에는 현재 조직의 인원구성에 대한 고민이 선행되어야 한다.

하이브리드 앱

두가지 라이브러리 모두 PhoneGap 등을 이용하여 앱(App.)으로 만들 수 있다. 하지만 이부분에서 Sencha Touch의 앱 스러움이 실력을 발휘 한다. 일단 언어가 비슷하고 (Sencha Touch와 PhoneGap 모두 자바스크립트 기반) 마크업언어와 다르게 콤포넌트 기반이어서 화면 구성이 앱과 비슷한 점이 많다. 그리고 앱스러운 기능을 jQuery Mobile 보다 월등하게 많이 가지고 있다.

[펌] 미래웹기술연구소

←(백스패이스) = 8
TAB = 9
ENTER = 13
SHIFT = 16
CTRL = 17
ALT = 18
PAUSEBREAK = 19
CAPSLOOK = 20
한/영 = 21
한자 = 25
ESC = 27

스패이스 = 32
PAGEUP = 33
PAGEDN = 34
END = 35
HOME =36

←(중간) = 37
↑(중간) = 38
→(중간) = 39
↓(중간) = 40

INSERT = 45
DELETE = 46

0 = 48
1 = 49
2 = 50
3 = 51
4 = 52
5 = 53
6 = 54
7 = 55
8 = 56
9 = 57


A = 65
B = 66
C = 67
D = 68
E = 69
F = 70
G = 71
H = 72
I = 73
J = 74
K = 75
L = 76
M = 77
N = 78
O = 79
P = 80
Q = 81
R = 82
S = 83
T = 84
U = 85
V = 86
W = 87
X = 88
Y = 89
Z = 90

윈도우(왼쪽) = 91
윈도우(오른쪽) = 92
기능키 = 930(오른쪽) = 96
1(오른쪽) = 97
2(오른쪽) = 98
3(오른쪽) = 99
4(오른쪽) = 100
5(오른쪽) = 101
6(오른쪽) = 102
7(오른쪽) = 103
8(오른쪽) = 104
9(오른쪽) = 105
.(오른쪽) = 110
/(오른쪽) = 111
*(오른쪽) = 106
+(오른쪽) = 107
-(오른쪽) = 109

F1 = 112
F2 = 113
F3 = 114
F4 = 115
F5 = 116
F6 = 117
F7 = 118
F8 = 119
F9 = 120
F10 = 121
F11 = 122
F12 = 123

NUMLOCK = 144
SCROLLLOCK = 145

=(중간) = 187
-(중간) = 189
`(왼쪽콤마) = 192
(중간) = 220

iPad에서 Portrait & Landscape 일때 적용 CSS 예제
http://catharsis.tumblr.com/post/501657271/ipad-orientation-css-revised

iPad Orientation CSS (Revised)

It doesn’t take much foresight to anticipate that with the rise of Natural User Interfaces (NUIs) like the iPhone and iPad, UI designers will have a greater responsibility to optimize for orientation-based contexts. As such, it’s quite prescient that today, the folks at Cloud Four demonstrated how to serve up stylesheets based on device orientation.

Since I have a feeling I’ll be using this quite a bit in the future, I wanted to build on Cloud Four’s work and find a way to alleviate the following issues:

1. Extra HTTP requests
2. Not iPad-specific
3. Lack of reusability

So, without further ado, here’s my proposed revision to the iPad orientation CSS:

<!-- css -->
@media only screen and (max-device-width: 1024px) and (orientation:portrait) { 
    .landscape { display: none; }
}
@media only screen and (max-device-width: 1024px) and (orientation:landscape) { 
    .portrait { display: none; }
}

<!-- example markup -->
<h1 class="portrait">Your device orientation is "portrait"<h1>
<h1 class="landscape">Your device orientation is "landscape"<h1>

As you can see, I’ve also changed the markup in a predictable way. An explanation of the changes and the reasoning behind them can be found below.

What Is Google App Engine?

# 예제 따라해보았다.
완전 시행착오 많이 하고. Ant 를 Eclipse와 연동해서 build 는 하는데, 이클립스에 이미
Ant가 플러그인되어 있는데 새로 내려받은거와 연동을 해서 혼선이 있었다.
 SDK 다 내려받고, web.xml 만들고 경로 연동에서 잘 해주어야 한다.
Ant  빌드파일 생성 시 <property name="sdk.dir" location="../appengine-java-sdk-1.4.3" /> 라고 있는데, 
실제 appengine 경로에 연결을 잘 해야 한다. 소스만 보고 따라하면 안됨.
이클립스에서 실행이 안되서(나의 설정잘못이겟지만. 아무튼.), 도스창으로 들어가서
> ant runserver 를 실행하고 나서야 웹페이지에서 확인할 수 있었다.
ant 를 도스창에서 사용할면 환경변수에 ANT_HOME 과 Path에 %ANT_HOME%/bin 을 잊지마라.
Google App Engine lets you run your web applications on Google's infrastructure. App Engine applications are easy to build, easy to maintain, and easy to scale as your traffic and data storage needs grow. With App Engine, there are no servers to maintain: You just upload your application, and it's ready to serve your users.

You can serve your app from your own domain name (such as http://www.example.com/) using Google Apps. Or, you can serve your app using a free name on the appspot.com domain. You can share your application with the world, or limit access to members of your organization.

Google App Engine supports apps written in several programming languages. With App Engine's Java runtime environment, you can build your app using standard Java technologies, including the JVM, Java servlets, and the Java programming language—or any other language using a JVM-based interpreter or compiler, such as JavaScript or Ruby. App Engine also features a dedicated Python runtime environment, which includes a fast Python interpreter and the Python standard library. The Java and Python runtime environments are built to ensure that your application runs quickly, securely, and without interference from other apps on the system.

With App Engine, you only pay for what you use. There are no set-up costs and no recurring fees. The resources your application uses, such as storage and bandwidth, are measured by the gigabyte, and billed at competitive rates. You control the maximum amounts of resources your app can consume, so it always stays within your budget.

App Engine costs nothing to get started. All applications can use up to 500 MB of storage and enough CPU and bandwidth to support an efficient app serving around 5 million page views a month, absolutely free. When you enable billing for your application, your free limits are raised, and you only pay for resources you use above the free levels.

Getting Started

• What Is Google App Engine?
• Java
  • Introduction
  • Installing the Java SDK
  • Creating a Project
  • Using the Users Service
  • Using JSPs
  • Using the Datastore with JDO
  • Using Static Files
  • Uploading Your Application

Mockup 이란? 비행기나 자동차 따위를 개발할 때에, 각 부분의 배치를 보다 실제적으로 검토하기 위하여 제작하는 실물 크기의 모형.

MockUp : http://iphonemockup.lkmc.ch/

Nov 16, 200977
http://iphoneized.com/2009/11/21-prototyping-mockup-wireframing-tools-iphone-app-development/

18 Mobile Frameworks and Development Tools for Creating iPhone Apps

So you have a killer idea for an iPhone app, but when you describe it to people they just don’t get it. Maybe you have a client that is a visual thinker and needs you to draw it out for him. That’s when wireframes, mockups and stencils can be your saving grace.

There are many different types of tools available to developers, from low-tech stencil kits to high-tech collaborative software. So I’ve rounded up a few of the more popular ones people are using specifically for iPhone development. It’s far from being the definitive list, but it’s definitely a good place to start.

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Low Tech Solutions

Notepod

Notepod is a notepad shaped like an iPhone. Each notepod is 100 pages of 60 x 110mm double sided paper. The front has 52mm x 77mm blank space (the iPhone screen), the back is a 6mm grid.

Project Page

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iPhone UI Stencil Kit

The iPhone ui stencil kit is a stainless steel, laser cut stencil kit for drawing quick mock-ups and wireframes for iPhone apps. It also comes with a Zebra mechanical pencil.

Project Page

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iPhone Sketch Pad

The iPhone Sketchpad works precisely with the iPhone Stencil Kit, with one phone silhouette on the front side and three on the back.

Project Page

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App Sketchbook

The App Sketchbook has 50 Double-sided, perforated pages each with 3 actual sized iPhone templates. Each page also has has 20px ruler markings and a ruled section for notes.

Project Page

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Vector Images

MetaSpark’s Fireworks Vectors

A collection of vector iPhone UI elements for Fireworks CS3 and CS4.

Project Page

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320480 Stencil PSD file

Most iPhone screen elements, sensible layer sets all contained within one PSD file.

Project Page

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Graffletopia Stencil Kit for Omnigraffle

Graffletopia’s stencil kit for Omnigraffle. It is for quick sketching of iPhone ideas. Use the outline for printouts so you can hand sketch as well. The symbols are meant as a check list for included features in your app development.

Project Page

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MockApp

MockApp is a set of iPhone ui templates and library files put together for use in Powerpoint or Keynote.

Project Page

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Firefox Plug-ins

iPhone Prototype

This is a plug-in to browser Mozilla FireFox for prototyping interface of iPhone applications for creating an iPhone mock-up. Currently Alpha – not compatible with FF 3.55.

Project Page

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Firefox Pencil

Pencil is a free and opensource tool for making diagrams and GUI prototyping. Pencil runs on the Mozilla Gecko engine, turning the Firefox browser into a sketching tool with just a 400-kilobyte installation package.

Project Page

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Fireworks Plug-ins

Unitid

This plug-in combines Fireworks with some jQuery and PHP to give you a prototype you can not only view, but interact with, directly on your iPhone, just as if it’s a live app.

Project Page

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iPhone Apps

LiveView

Liveview is an iPhone app that consists of two parts: the ScreenCaster and the Application itself.  ScreenCaster launches a simple iPhone skin on your Mac. From the same network, launch the LiveView app in your iPhone. Whatever the ScreenCaster is highlighting is now seen in the LiveView App. It also interprets touches as mouse clicks, turning it into a two way interactive prototype.

Project Page

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Web Based Tools

Mockingbird

Mockingbird is a web based mockup/wireframe tool built using the Cappucino framework, so there’s no flash to wrestle with. While you can’t actually design your mockups from an iPhone (who’d want to?), the tool does have some very handy features. You can drag elements onto the screen, create multiple pages, link to other pages and share directly from the web.

Project Page

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Pidoco

Pidoco is a web-based tool that lets you create clickable wireframes via drag & drop ui and then collaborate with remote users on each project. The tool also includes iPhone stencils.

Project Page

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iPhone Mockup

iPhone mockup is a web based tool that is currently in Alpha release only. You can design your mockup as a hand sketch or illustration, and mockups can contain user-uploaded images and user-entered text. Your mockups will be accessible via url so they are unsecured.

The developer makes this perfectly clear and warns that he could discontinue hosting mockups at anytime, thereby deleting any work. That makes this a handy tool for quick and dirty mockups you want to print or share with someone on the fly, but not for much more.

Project Page

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Protoshare

Protoshare is a collaborative, web-based prototyping tool that helps teams visualize requirements for interactive projects and work together in real-time. It has an iPhone component that can be seen here.

Project Page

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iPlotz

With iPlotz you can create clickable, navigable wireframes to create the experience of a real website or software application. You can also invite others to comment on the designs, and once ready, you can then manage the tasks for developers and designers to build the project.

Project Page

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Installed Software

CogTool

CogTool is a general purpose UI prototyping tool simply using a storyboard of your design idea with sketches, images or on a canvas. Demonstrate tasks on that storyboard, then press a button to produce a valid cognitive model predicting how long it will take a skilled user to complete those tasks.

Project Page

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Balsamiq

Balsamiq mockups is desktop software that is designed to help teams or clients collaborate on wireframes and mockups. There are iPhone specific controls included.

Project Page

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OmniGraffle

OmniGraffle is award winning diagraming mockup or graphic design software. Combined with Graffletopia’s iPhone stencil kit, this software is a great addition to any app developers toolbox.

Project Page

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Justinmind Prototyper

Justinmind prototyper allows you to create fully functional wireframes for mobile applications and generate your HTML high-fidelity wireframes.

Project Page

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iRise

iRise for iPhones gives developers a way to quickly prototype the look, feel and behavior of Apple iPhone applications through pre-defined visualization widgets and templates that can be quickly assembled into a high definition mobile applications.

Project Page