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Learning Python as your first programming language
Python is a widely used general-purpose, high-level programming language Its design philosophy emphasizes code readability, and its syntax allows programmers to express concepts in fewer lines of code than would be possible in languages such as C. Python now becomes more and more popular and is now being used the first teaching language in some universities. Why would you like to learn Python as your first programming language? Below are the reasons. Python is a high-level language with dynami...
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
China has blocked Wikipedia again
Recently lots of Chinese found they experienced problems while trying to access Wikipedia, the world's largest and most well-known free encyclopedia. It turns out that the notorious Chinese GFW(Great Firewall) is playing the critical role here. It blocks the Chinese version of Wikipedia. The reason why the Chinese version of Wikipedia is blocked is said to be that Wikipedia has changed its default protocol from HTTP to HTTPS. This change made it difficult for the GFW to filter some sensiti...
Decision Trees in C#
Decision trees are simple predictive models which map input attributes to a target value using simple conditional rules. Trees are commonly used in problems whose solutions must be readily understandable or explainable by humans, such as in computer-aided diagnostics and credit analysis. Download source code Download sample applications Download the full Accord.NET Framework Introduction Decision Trees give a direct and intuitive way for obtaining the classification of a new instance f...
C#,Decision tree 2012-03-23 10:00:56
Testing is not a Feature
I pointed out to someone at work today that PyDev 2.5.0 now offers really cool TDD support. I’m not a huge TDD proponent or anything, but this stirred up a discussion. This guy, let’s call him John, said that “TDD may shorten the time it takes to develop a feature, but sometimes a feature is so urgent we may want to deliver it as quickly as possible and test it laterâ€.Sentences like that make me weep. I tried to explain that without testing, the...
Testing,Feature,Software testing 2012-04-24 06:30:09
Snipping Tool is moving on Windows 10
There is some recent change for a built-in tool on Windows 10 where the Snipping Tool is moving. Snipping Tool is a tool on Windows for taking screenshots and editing screenshots taken. But now it's moving to a new tool called Snip & Sketch which has enhanced features. Now if you try to launch Snipping Tool, you will notice there is a notification telling that the Snipping tool is moving to a new tool called Snip & Sketch. And you can click Try Snip & Sketch to launch the new tool. ...
WINDOWS 10,SNIPPING TOOL,SNIP & SKETCH,SCREENSHOT 2019-11-03 02:30:53
Learning to Eat Well and Stay Healthy
Back in mid-2006, I documented my fairly dramatic weight loss in a series of blog postings. I went from a high of 224 pounds to a low of 164, which made for a total loss of 60 pounds (I’m about 6 feet tall). It’s interesting to go back and re-read what I wrote back then: Diet Tips or How To Lose Weight with a Spreadsheet and a Web SiteThe Diet Plan and The Three HabitsThe Diet SpreadsheetDiet Tips: How To Eat Less Fast forward to January of 2011, and I had gained back about h...
The biggest iOS 5 bug you've never heard of
There is a huge bug when Group Messaging is disabled in iOS 5. I'm shocked Apple hasn't fixed this yet. Today a friend sent out a text message blast, announcing they got a new phone number. Shortly after, I got text messages from three random people I don't know. I was confused how these people got my number, but then I realized they were replies intended for my friend who sent out the text blast. If you've ever used the Group Messaging feature,...
iOS5,Bug,Group Messaging 2011-12-10 06:04:39
Why Objective-C is Hard
As an active member of "The Internet" and vocal Objective-C coder, I get a lot of questions surrounding the language. They're often framed around thinking about learning the language or trying to write an app, but they also usually involve a phrase like "Objective-C looks really hard" or "what are all those minus signs about?" Both of these are pretty good questions, and I'd like to address why someone might be more hesitant to jump into iOS or OS X development compared to, say, Ruby or J...
Objective-C,difficult,hard,reason,analysis 2012-03-07 05:11:28
Firefox 18 will adopt IonMonkey as its JS compiler
Tendency would be converse after 30 years. The previous famous Firefox is now forced to change its version number frequently becuase of the rise of Chrome. Last month Mozilla released Firefox 15 and also released news about Firefox 17, And now Firefox 18 is also ready to come out. According to PCWorld, to keep the promise of bring quicker and smoother experience, Mozzila will adopts new JavaScript technology in Firefox 18. The new Firefox with new JavaScript technology will be 26% qu...
Firefox 18,IonMonkey,JavaScript 2012-09-17 11:50:02
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