SEARCH KEYWORD -- Convert
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
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
HTML5 photo taking and uploading app implementation
Underthe support of HTML5 standard, Building Web App to take photos is now possible.I will elaborate on how to take photos using Web App, display them on the pageand upload them to the server. 1. Videostream HTML5 TheMedia Capture API provides the programmable access to video camera on phones, users canuse the getUserMedia() method to get the video stream provided by video camera.What we need to do is to add a HTML <video> tag and make the videostrea...
HTML5,Photo taking,Media Capture API ,Implementation 2012-03-15 07:19:49
Keys to increase website conversion rate
In internet marketing, conversion rate is the ratio of visitors who convert casual content views or website visits into desired actions based on subtle or direct requests from marketers, advertisers, and content creators.Successful conversions are interpreted differently by individual marketers, advertisers, and content creators. To online retailers, for example, a successful conversion may constitute the sale of a product to a consumer whose interest in the item was initially sparked by clickin...
Conversion rate, Website,Sale 2012-07-12 11:04:38
Write HTML easily with Emmet and Haml
Writing HTML codes is very boring and tedious as it has many tags and it's static. One solution is to use template, filling content based on other's skeleton. One another solution is high speed writing. We can write HTML codes with Emmet and Haml. These two ways have similar functions but with different characteristics. Haml is based on Ruby, so when working on Ruby/Rails projects, we recommend to use Haml, otherwise we recommend to use Emmet. 1. Emmet Emmet is a editor plugin, the official webs...
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
Convert ext3 to ext4 file system on CentOS
ext3 is a journaled file system that is commonly used by the Linux kernel. It is the default file system for many popular Linux distributions, including Debian. Stephen Tweedie. On June 28, 2006, Theodore Ts'o, the principal developer of ext3, announced an enhanced version, called ext4. Today, we will show how to convert ext3 to ext4 format on CentOS. System environment: Release version : CentOS release 5.4(Final) Kernel: Linux localhost.lo...
CentOS, ext3 to ext4 2012-11-21 11:40:45
Convert printed document into electronic document
é¦–å…ˆä½ å¾—å…ˆæŠŠè¿™äº›æ‰“å°ç¨¿æˆ–文件通过扫æ仪扫到电脑上去,一般å•ä½éƒ½æœ‰æ‰«æ仪,如果没有也没关系,用数ç 相机æ‹ä¹Ÿè¡Œï¼Œæ‹æˆå›¾ç‰‡æ”¾åˆ°WORD里é¢åŽ»ï¼Œä¸è¿‡åœ¨äº› 之å‰ï¼Œä½ 还得装...
Printed document,Electronic document,Con 2011-07-23 23:19:42
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
RECENT
- Tips for Socializing With Friends During College
- Proximity Cards Do More Than Just Open Doors
- How to choose quality painted auto parts
- Oval engagement rings from MoonOcean: Elegance of form and individual approach
- Hologres vs AWS Redshift
- GoLand connect to Hologres
- A journey to investigate a goroutine leakage case
- Understanding Slice Behavior in Go
- Breaking Barriers: How 3D Printing is Democratizing Product Development
- The Power of Efficiency: 10 Practical Energy-Saving Tips for Tech Startups
- more>>