SEARCH KEYWORD -- Convert HTML to Wordpress
Why you should be careful about optimizations
In one of my current javascript projects, I have to deal with 3D voxel coordinates. And, sometimes, I have floating points coordinates which must be converted to integers in order to convert them into proper array index. Javascript is a wonderful language, really. However, implementations are sometimes weird, and the way to do something can sometimes have very huge impacts on the performances. Worse, sometimes the classical way is more expensive than the tricky one. So, some peo...
JavaScript,Bitwise,Floor,Trick,Optimization 2012-05-02 11:29:20
My ten development principles
After several years developing software, I have acquired a very a strong opinion on how software should be developed, I actually have come to the conclusion that everything boils down to 10 principles, that if well implemented, will make any software development successful. 1.- Customer first. “If we don’t take care of the customer… somebody else will.†Customer first means focusing from a customer perspective on real value for the product being developed,...
Principle,Software,Development,Communica 2011-08-15 07:28:55
SQL Grammar Summary
æ•´ç†äº†ä¸€ä¸‹ï¼Œå¸Œæœ›å¯¹å¤§å®¶æœ‰ç”¨SQLè¯å¥å¤§å…¨ --è¯ å¥ åŠŸ 能--æ•°æ®æ“作SELECT --从数æ®åº“表ä¸æ£€ç´¢æ•°æ®è¡Œå’Œåˆ—INSERT --å‘æ•°æ®åº“è¡¨æ·»åŠ æ–°æ•°æ®è¡ŒDELETE --从数æ®åº“表ä¸åˆ 除数æ®è¡ŒUPDATE --æ›´æ–°æ•°æ®åº“表ä¸çš„æ...
SQL,Query,Summary,Select,Update,Delete,I 2011-05-20 12:04:55
Python basics summary
Python is recommended by many people as the first language to be learned now. Even in some universities, it is the primary language to be taught to CS/CE students. To master this languages, we should understand some basics of it. Here we summarize some basics about this language. These basics include : string replacement with regular expression, traverse a directory, sort a list, remove duplication, dictionary ordering, dictionary, list, string conversion, date object manipulation, command line ...
Is Scala Only for Computer Scientists?
I have experience struggling through these kinds of things andI know enough about the subject that I can understand why they did it that way. But my concern is that this should be an example that a beginner could understand, and they can't. There's too much depth exposed. Here's the example, which is written as a script: import scala.io.Source._ case class Registrant(line: String) { val data = line.split(",") val first = data(0) val last = data(1) val email = data(2) val payment = da...
Scala,Application field,Computer science 2012-02-17 07:46:40
Lisp: It's Not About Macros, It's About Read
Note: the examples here only work with outlet lisp. Refer to your version of lisp/scheme’s documentation for how read works (and possibly other forms) I know it’s an old post by now, but something about the article Why I love Common Lisp and hate Java, part II rubbed me the wrong way. The examples just aren’t that good. The usage of macros is plain baffling, when a function would have been fine. The author admits this, but still does it. There’s a follow-up post wh...
Some frequently used ES6 code snippets
Below are a list of ES6 code snippets which are used frequently. Hope that it will be helpful. 1. Shuffle array elements let arr = [67, true, false, '55'] arr = arr.sort(() => 0.5 - Math.random()) console.log(arr) // [ '55', 67, false, true ] 2. Remove characters which are not numbers const str = 'xieyezi 23213 is 95994 so hansome 223333' const numbers = str.replace(/\D/g, '') console.log(numbers) // 2321395994223333 3. Reverse sequence or words const sentence = 'xieyezi js so handsome, lol.'...
JAVASCRIPT,ES6,CODE SNIPPET,TIPS 2022-04-10 07:56:07
this keyword in Lambda expression in Java 8
Since the release of Java 8, people are excited to see a big feature added to this language which is existing in other languages for a long time -- Lambda expression. The introduction of lambda expression in Java 8 gives people an easy way or a vertical to horizontal way to solve problems. There are many posts on the Internet which shows how to use lambda expression in Java, such as Lambda Quick Start and Java 8 Lambda Expressions Tutorial with Examples. In this post, we will only focus on the t...
THIS,LAMBDA EXPRESSION,JAVA 8 2014-06-01 03:57:05
A Peek Inside the Erlang Compiler
Erlang is a complex system, and I can’t do its inner workings justice in a short article, but I wanted to give some insight into what goes on when a module is compiled and loaded. As with most compilers, the first step is to convert the textual source to an abstract syntax tree, but that’s unremarkable. What is interesting is that the code goes through three major representations, and you can look at each of them. Erlang is unique among functional languages in its casual scop...
Erlang,Peek,Erlang compiler 2012-02-08 10:12:04
Unicode over 60 percent of the web
Computers store every piece of text using a “character encoding,†which gives a number to each character. For example, the byte 61 stands for ‘a’ and 62 stands for ‘b’ in the ASCII encoding, which was launched in 1963. Before the web, computer systems were siloed, and there were hundreds of different encodings. Depending on the encoding, C1 could mean any of ¡, Ð, Ä„, Ħ, ‘, â€, or parts of thousands of characters, from æ to å...
Unicode,Encoding,Website,Percentage,Statustic 2012-02-07 06:19:34
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