Java source code search
http://grepcode.com/
Grepcode is a website for Java developers, where you can view its corresponding source code online through various keywords such as Java projects, classes, etc., and know the corresponding project, classes and other information. What's more convenient is that it can provide many different versions of source code online viewing, jar package, source jar package, doc download. Similarly, you can also use a name like xxx-1.1.1.jar to directly find the corresponding jar package and download it.
Open Source Code and Documentation Search
https://searchcode.com/
SearchCode is a source code search engine that currently supports searching open source code from Github, Bitbucket, Google Code, CodePlex, SourceForge and Fedora Project platforms.
E-book search
https://www.jiuodiary.com/
Jiu Mo Sou Shu is a relatively good e-book search website. The content is also relatively complete.
Network disk resource search
http://pansou.com/
This is well known to everyone. You can search for various resources on Baidu's network disk through this website.
Copyright-free image search
https://unsplash.com
I don't know if anyone is like me, and often needs some copyright-free images, such as official account pictures.
unsplash is the best website I've ever used, no login required, pictures are very high, and it's more complete. The only downside is that you need to search in English.
Online UML Drafting
https://www.processon.com/
ProcessOn is an online collaborative drawing platform that provides users with the most powerful and easy-to-use drawing tools! Supports online creation of flowcharts, BPMN, UML diagrams, UI interface prototyping, and iOS interfaces Prototyping etc.
Json online verification and formatting
https://www.json.cn/
I have used many json online formatting tools. After practice, json.cn is quite good. It not only supports the verification and formatting of json format, but also can Useful functions such as compressing the json format into ordinary text.
Diff Check
https://www.diffchecker.com/
People who have used svn or git are definitely familiar with diffcheck, but sometimes the text content we modify is not version controlled, so you can use the online website to view the modification of the file condition. diffchecker is nice.
MarkDown editor
MaHua: http://mahua.jser.me/Mark
Feixiang: https://maxiang.io/
Cmd: https://www.zybuluo.com/mdeditor
I have used all of the above, all It's okay, because I generally like to save what I have written, so I use the client-side one. I use the MacDown
Maven dependency query
http://mvnrepository.com/
The mvnrepository does not need to be explained in detail, it is to query the gav information of maven. Since our company has an internal Nexus repository, this is rarely used.
Online code running
https://tool.lu/coderunner/
coderunner can run php, c, c++, go, python, java, groovy and other codes online. It is a good choice when we are outside and want to execute a small program without an IDE.
Online translation
Google translation: https://translate.google.cn/Baidu
translation: http://fanyi.baidu.com/Youdao
translation: http://fanyi.youdao.com/
Can't say which one is better, in fact It's not very accurate, you still need to translate it according to the context.
But I can't help but complain that these translation websites in China, since they are doing translation, the domain name is actually in Pinyin, I am also drunk.
SQL automatically generates Java code
http://www.autojcode.com/code/sql2class.jsp
AutoJCode can generate a DO class from the sql table building statement.
json generates java class
http://www.bejson.com/json2javapojo
json is the main format for data transmission in JavaWeb at present, and there is often a need to convert json into Java objects. Sometimes the partner will provide a json sample, and we need to define the Java class ourselves. At this time, this tool comes in handy.
SQL beautification/formatting/compression
https://tool.lu/sql/
sql online beautification, formatting, compression:
encoding conversion
http://tool.chinaz.com/tools/unicode.aspx
webmaster tools encoding conversion comparison Comprehensive, providing Unicode encoding, UFT8 encoding, URL encoding/decoding and other functions.
Corn expression generation
http://www.pdtools.net/tools/becron.jsp
Cron is generally used to configure the execution of scheduled tasks.
Regular Verification
http://tool.chinaz.com/regex
Java development is definitely no stranger to regular expressions. The regular verification provided by Webmaster Tools is not bad.
Regular code generation
http://tool.chinaz.com/tools/regexgenerate
Regular code generation provided by Webmaster Tools. Regular expressions for verification such as ID number, email, mobile phone number, etc. can be generated with one click.
Timestamp conversion
http://tool.chinaz.com/Tools/unixtime.aspx
Timestamp (English: Timestamp) refers to adding identifying text, such as time or date, to a series of data to protect local data The update order is the same as the remote.
Timestamps are used in many places in Java, and this conversion tool is often used.
World Time Conversion
http://www.timebie.com/cn/easternbeijing.php
Time conversion around the world, when I was doing international business, I used Beijing time to New York time and Beijing time to Los Angeles time. timebie provides the function of converting world time to each other.
Encryption and decryptionhttp :
//tool.chinaz.com/tools/textencrypt.aspxEncryption
and decryption may also be encountered frequently in JavaWeb. Sometimes we need to verify whether the encryption algorithm is correct, or to decrypt and other scenarios, we need an online tool .
View the source code of the webpage
http://s.tool.chinaz.com/tools/pagecode.aspx
This tool can enter a website and directly view the source code of the website. What is the specific use, we can use all kinds of imagination.
Unit conversion
https://www.convertworld.com/zh-hans/
convertworld is a relatively complete unit conversion website. I often use it to convert between time units and currency units.
Online Color Palette
http://tool.chinaz.com/Tools/OnlineColor.aspx
This is more useful for front-end development and can be colored online.
ASCII ART generates
http://patorjk.com/software/taag/
common comparison table
ASCII comparison table: http://tool.oschina.net/commons?type=4
HTTP status code: http://tool.oschina.net /commons?type=5
HTTP Content-type: http://tool.oschina.net/commons
TCP/UDP Common port reference: http://tool.oschina.net/commons?type=7
HTML escape characters: http ://tool.oschina.net/commons?type=2
RGB color reference: http://tool.oschina.net/commons?type=3
Web font reference: http://tool.oschina.net/commons?type =8