Aardvark - A cool
extension for web developers and designers, allows them to view CSS
attributes, id, class by highlighting page element individually.
chromEdit - Alter the appearance of any page by editing CSS and Javascript files with this extension.
CSSMate - Firefox extension to edit CSS files.
CSS validator - Check the validity of your webpage using this CSS validator extension.
CSSViewer - See the CSS properties of page elements with this extension.
EditCSS - Play around with loaded CSS, Web Developer extension also provides this functionality.
IE Tab - Designers and developers can view their CSS projects on Internet Explorer using this extension.
Style Sheet Chooser II - Users can pick and choose alternate style sheets for a website.
FireBug - A console for debugging JavaScript, HTML, and Ajax code snippets.
HTML Validator - Cool extension to validate web pages with HTML standards of W3C.
JavaScript Debugger - JavaScript debugging extension enables a strong debugging environment.
But to do that well, you absolutely must have enough test coverage
that you just aren’t afraid to rip your code’s guts out
I always end up sketching in a few
classes and then tearing them up and re-sketching, and after a few iterations
I’m starting to have a feeling for X and Y.
once you’re into maintenance mode, there are really no
excuses. Because you really know what all your X’s and Y’s are
I freely admit that this is not really truly TDD
Writing the tests points out all the mistakes you might make in signatures, prerequisites, etc. If the tests are too hard to make then you know that your API will be too hard to use, you're doing it completely wrong, and may as well pause for a rethink.
While the approach you advocate makes sense, it does require professionalism, not just from the developer but from management too.
the person left to maintain the code isn't the person who wrote it, leaving the maintainer with an unholy mess to untangle. Getting unit tests into such code is a monumental task.
he failure to address how unit tests can be introduced to an existing non unit-test codebase. (i.e. go from non-TDD to TDD)
I feel the TDD community only wants to focus on greenfield projects and has ignored maintenance/legacy issues. Which is strange when as you say code spends most of it's time in maintenance
The thing is that as long as the project is small you really don't see the benefits of TDD. I've done a couple of small projects and never had to go back to them ever again
Never use mocks unless you are mocking an interface that will almost never change
You are writing the client code (in the form of a test) so you are thinking how the worker code will be used. What is its public interface and what do you want it to do when it's called
From: Tathagata Chakraborty (Jun 24 2009, at 07:31)TDD is useful in another situation - in a commercial setting and when detailed specification documents have already been created by say a technical expert/architect. In this case you don't have to do a lot of designing while coding, so you can start off with the test cases.
writing the tests *first* is that it helps keep your code focused on exactly what it's meant to do, and no more
When work on production code begins, most of the code should fall into the categories of things that are not to be tested.
In theory, TDD is a great idea. The problem with TDD can be expressed in one word: money.
One approach to the unknown X and Y problem that I've been using recently has been to pretend that class X has been written already, and then write code that uses this pretend X object/API. I usually write this directly in the file that will become my unit test. Since X doesn't exist, I'm allowed to call whatever methods I want and pretend it all works. Once I'm satisfied with how it all looks, I cut and paste everything into a bunch of failing tests.
I get really bored adding tests to code that already runs
the seductive TDD trap
religious zealots
There is nothing wrong with building tests after you have built your product.
that goes a long way towards taking software development from a form of artisanal craftsmanship to a real engineering profession.
using tests to drive development cripples innovation, dramatically slows development
It always seem to me to be a codified form of reverse engineering, or at least a way to force the programmers into looking at their code from two separate angles at the same time.
If you're just adding tests at the end, then it's normal unit-testing, isn't it?
I do realize that this type of exercise might help younger coders in getting better structure, they do often rush in too quickly and focus more on the instructions than the abstractions.
TDD is test-driven *design*
He said he didn't write tests in cases where it would have taken him several hours to get a working test for a small piece of code.
In some applications, objects are self-contained, activities are sequential, and algorithms are tricky
I've seen cases where people have wrecked the architecture of systems in the name of making them testable... But have never written the tests.
Yes, it's possible to make peace with testability, and in the best situation, testability can improve the architecture of a program, but it can also lead people away from highly reliable and maintainable KISS approaches.
Like any infrastructure, it is always beneficial to provide unit testing. The most benefit is derived from installing it as early on in the project as possible.
The value of an untested feature, to a client, is ... zero. So, it doesn't matter how many of these you have rattled off in the past week, your net throughput is effectively... zero."
You can see in this thread the word "professionalism" (substitute "morality" with little gain/loss of substance) and even "sin" (used in jest, but not really!)
if I delay writing unit tests until after all the units are working together then because the system "already works" my subconscious enthusiasm for writing unit tests falls markedly, and so their quality and coverage fall
Experience teaches that if I generate that output by hand (1) it takes *much* longer (2) I almost always get it wrong. So I often write the code, get its output, carefully check it (really...) and then use it as the correct result.
My main objections to TDD are: 1) it promotes micro-design over macro-design and 2) it's hard to apply in practice (i.e. for any code that is not a bowling card calculator or a stack).
the tests are just a persistent artifact of the exploratory coding I've already done.
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Prepare takes the $sql (with '?'s where data will go), along with the TYPES (array) of data to prepare the sql for, and a 3rd paramater for manipulating or result-getting (see next paragraph). It assigns this to $prepared_statement.
Another array is created with the data (in the same order as the types, of course), and the RESULT is aquired by running the execute() method on the $prepared_statement object, passing the execute method the "$data" array to fill in the '?'s
After this do everything as normal.
I have a feeling that MDB2 lower cases all field names - so you'll probably need :
echo $row['name']
A good idea would be to print_r($row) or similar, to see what's in it
In PHP, all variables are local in scope unless declared as global. JavaScript is opposite, and all variables are global unless declared with the var keyword.
Both PHP and JavaScript are loosely typed
JavaScript is a bit mixed concerning undeclared variables, if you attempt to modify or compare with an undeclared variable, the script will break entirely, but you can check the variable status using typeof() or in conditional statements containing only that variable.
JavaScript only recognizes the keyword true in all lowercase. PHP accepts both uppercase and lowercase
PHP is not case-sensitive in function or class declarations, but JavaScript is case sensitive for these also.
The key difference between PHP and JavaScript is that JavaScript does not have associative arrays.
JSON strings having become very popular as a faster alternative to XML, and can be read and created with the PHP functions json_encode() and json_decode().
Let's take one more look at defining an object in JavaScript and see how it can be used to compensate for the lack of associative arrays in JavaScript.
// Note that variables should always be// prefixed with "var" to define a local scope.for (var n = 0; n < 10; n++) { alert(n);}
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I was always able to find help with almost anything PHP related that I needed. It wasn’t the ‘cut and paste’ kind of help, it was the ‘detailed explanation’ kind of help.
it is becoming increasingly more difficult to learn PHP
Beginners nowadays are being hit over the head with grandiose concepts such as ‘dependency injection’ and ‘favouring composition over inheritance’ which really have nothing to do with PHP itself.
we now have PHP developers going around developing inferior software
We have developers obsessed with micro-optimizations and zombie followers of design patterns when the truth of the matter is that had they just been introduced the language properly in the first place many of these concepts would become like second nature
senior members of the PHP community need to, for the sake of our beloved language, shift some of the focus of our discussions and our articles back to PHP. Just pure PHP.
I hate PHP frameworks. They do absolutely nothing to aid in the learning of the language and, at the rate that they are going, we’ll soon find that PHP frameworks abstract away PHP itself.
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Zoop is an object oriented framework for PHP based on a front controller. It is designed to be very fast and efficient and very nice for the programmer to work with. It is easily extensible, and you need only include the functionality you use.
Zoop is an object oriented framework for PHP based on a front controller. It is designed to be very fast and efficient and very nice for the programmer to work with. It is easily extensible, and you need only include the functionality you use.
What is Linux for beginners and professionals with examples on files, directories, permission, backup, ls, man, pwd, cd, chmod, man, shell, pipes, filters, regex, vi etc..
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Aardvark - A cool extension for web developers and designers, allows them to view CSS attributes, id, class by highlighting page element individually. chromEdit - Alter the appearance of any page by editing CSS and Javascript files with this extension. CSSMate - Firefox extension to edit CSS files.
CSS validator - Check the validity of your webpage using this CSS validator extension. CSSViewer - See the CSS properties of page elements with this extension.
EditCSS - Play around with loaded CSS, Web Developer extension also provides this functionality.
IE Tab - Designers and developers can view their CSS projects on Internet Explorer using this extension.
Style Sheet Chooser II - Users can pick and choose alternate style sheets for a website. FireBug - A console for debugging JavaScript, HTML, and Ajax code snippets. HTML Validator - Cool extension to validate web pages with HTML standards of W3C. JavaScript Debugger - JavaScript debugging extension enables a strong debugging environment.