Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO

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META-INF Files - Digests, Signature and Certificate
This section describes META-INF files in an .apk package file: MANIFEST.MF - manifest file, CERT.SF - signature file and CERT.RSA - the real signature file with certificate. 2015-09-04, ∼8655🔥, 2💬

💬 2015-09-04 Herong: KariK, thanks for sharing your comments.

💬 2015-08-28 KariK: Step 5. CERT.RSA is not the only file type. There can also be CERT.DSA and CERT.EC files.

First 8336 Hex Digits of PI
This section provides first 8336 hex digits of constant PI, 3.1415927..., needed for Blowfish encryption algorithm. 2025-04-28, ∼8573🔥, 13💬

💬 2019-04-28 Herong: 8336 Hex Digits. Thanks.

💬 2019-04-26 Harry: Do you mean 8336 digits

💬 2016-10-31 Andres: cool

💬 2016-04-07 Tamas Losonczi: This is great

💬 2016-03-15 Bogdan: Thanks!

(More comments ...)

Main Features of XML
This section provides a quick description of XML features and advantages. The power of XML comes from its simplicity and extensibility. 2017-11-26, ∼8542🔥, 2💬

💬 2017-11-26 Abhishek: Thanks!

Windows 8: Modify UEFI Boot Order in BIOS
This section provides a tutorial example on how to modify UEFI boot order in BIOS in order to boot from Windows 8 repair disc directly. 2017-03-24, ∼8515🔥, 2💬

💬 2017-03-24 pros: I've been looking for this. thanks,

💬 2016-04-23 dan: Finally someone explained this so i can understand it. Thank you so much for getting me where i needed to go.

HttpsClient.java - HTTPS Client Test Program
This section provides a tutorial example on how to write a HTTPS client test program, HttpsClient.java. It sends a simple HTTP request page using the HTTPS protocol. 2015-11-20, ∼8467🔥, 6💬

💬 2015-11-20 Herong: Philip, can you run HttpsHello server with SSL debug turned on? My test programs do have issues with newer build of JDK 1.7 and ...

💬 2015-11-19 Philip: java version "1.7.0_80" Java(TM) SE Runtime Environment (build 1.7.0_80-b15) Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11,...

💬 2015-11-19 Herong: Philip, which JDK version are you using?

💬 2015-11-18 Philip: I changed the code, but then reset back to the example. I recreated the jks a few times. The JVM and OS had not changed. It stop...

💬 2015-11-18 Herong: Philip, Was anything changed? Certificates, code, JVM or operating system...

(More comments ...)

Using Numeric Character References
This section describes how numeric character references can be used in HTML documents. Numeric character references allow you to represent any Unicode code points in HTML documents. 2025-07-29, ∼8444🔥, 3💬

💬 2025-07-29 sad: Para este trayecto s&#195;&#175;&#194;& #191;&#194;&#189;lohay disponibilidad de plazas H.

💬 2023-06-30 Frederick Nathan: please convert 300,000 into numeric chareters

💬 2022-03-24 xp44mm: For example, "&60;" -> "&#60;" For example, "&x3c;" -> "&#x3c;"

Connect MetaMask to Local "geth" Node
This section describes how to connect MetaMask to the 'geth' on the local host. 2019-10-05, ∼8417🔥, 2💬

💬 2019-10-05 Herong: I am in the process of rebuild my local Ethereum node. Can anyone provide help to kbhar?

💬 2019-09-30 kbhar: I am not able to connect to metamask after selecting the localhost 8545 network. I am getting "something went wrong" error. Can ...

Tutorial Books on Computer Technologies
Tutorial Books on Computer Technologies Bitcoin Tutorials - Herong's Tutorial Examples This book is a collection of tutorial examples on Bitcoin and blockchain. Topics include Blockchain, Bitcoin, Cryptocurrency, Merkle Tree, Mining, SHA256, Wallet. Computer History - Herong's Notes This book is a c... 2021-02-14, ∼8416🔥, 0💬

Passing Arrays as Arguments
This section provides a tutorial example on how to pass an array as an arguments by reference to reverse positions of all elements in an array given as the argument. 2016-02-01, ∼8399🔥, 0💬

MySQL Tutorials - Herong's Tutorial Examples
This MySQL tutorial book is a collection of notes and sample codes written by the author while he was learning MySQL himself, an ideal tutorial guide for beginners. Topics include introduction of Structured Query Language (SQL); installation of MySQL server on Windows, Linux, and macOS; using MySQL ... 2022-11-22, ∼8391🔥, 1💬

Running WinRAR in a Command Line Window
This section provides a tutorial example on how to run WinRAR in a command line window. 2020-10-08, ∼8391🔥, 2💬

💬 2020-10-08 Herong: CJ, by default the root folder will not be included in the archive. Try the "winrar a -afzip -r root.zip \*.*" command.

💬 2020-10-01 CJ: Hi, how can I zip the files inside the root folder without adding the root folder into archive? Thank You

2017 年年歷 - 雞年
中國年歷 - 2017 年年歷 - 雞年 2016-03-11, ∼8291🔥, 1💬

💬 2016-03-11 福仔: 大雞大利﹗

What Is SHA1 Message Digest Algorithm?
This section describes what is SHA1 (Secure Hash Algorithm 1) - a message digest algorithm which takes as input a message of arbitrary length and produces as output a 160-bit 'fingerprint'. 2017-12-09, ∼8272🔥, 6💬

💬 2017-12-09 Herong: See the next tutorial: SHA1 Message Digest Algorithm Overview .

💬 2017-12-04 V: where can we find sha-1 formula ?

💬 2016-01-16 raza: i am raza see you latter

💬 2015-10-10 Herong: Ash, the next tutorial may help you understand better: SHA1 Message Digest Algorithm Overview

💬 2015-10-09 Ash: Please can u explain clearly..I dint understood

(More comments ...)

非洲绿猴肾细胞（Vero细胞）
什么是非洲绿猴肾细胞？ 非洲绿猴肾细胞（Vero细胞）是从非洲绿猴的肾脏上皮细胞中分 离培养出来的一种细胞系。该细胞系取“Verda Reno”（世界语意为‘绿色的肾脏’）的简写而命名为"Ver o"，而"Vero"本身在世界语中也有“真相”的意思。 非洲绿猴肾细胞用于疫苗生产中的病毒培养基质细胞，是在限定代次 内不致癌的异倍体细胞，世界卫生组织批准可以用... 2021-07-19, ∼8267🔥, 0💬

UserInit - Winlogon Registry Key
This section provides a tutorial example on how to undo changes done by the PWS Trojan on the UserInit registry value under the HKLM\Software\Microsoft\Window sNT\CurrentVersion\Winlogon registry key. 2016-02-25, ∼8094🔥, 2💬

💬 2015-10-22 Herong: Hi John, you are right that we need keep the comma at the end. Tutorial will be updated in the next version. Thanks.

💬 2015-10-21 John: You have left the comma off!! It is important you do not forget the comma or your computer will not boot. Userinit=C:\WINDOWS\sy...

What Is Lorentz Factor
This section introduces Lorentz Factor, which is the factor used in the time dilation and other formulas in special relativity. 2023-12-10, ∼8062🔥, 7💬

💬 2023-08-03 Victor: You switched which time is proper time and which is dilated time. T' should be the elapsed time of the person at rest.

💬 2022-04-20 Tom: Thankd

💬 2019-08-29 Carl Burrnett: This was immensely helpful in my pursuit of trying to understand theoretical physics.

💬 2017-09-24 Shuvojit khan: There is anothere equation ΔE=PΔT

💬 2017-04-30 Abhishek Dogra: Thanks

"oShell.Exec(cmd)" - Running System Command with a Script
This section provides a tutorial example on how to run a system command with a VBScript code. Command output and status can be monitored with WshScriptExec properties. 2021-06-02, ∼7980🔥, 3💬

💬 2021-06-02 BensonLEI: Hi, all, Could you please help if any recommendation of saving the output into the local text file? Dim objShell, objExec, sLine...

💬 2016-12-14 Herong: Hari, Yes, you can try this: host = "herongyang.com" Set oExec = oShell.Exec("ping " & host)

💬 2016-12-12 hari: how can i pass a variable to the command

My First JSP Page - hello.jsp
This section provides a tutorial example on how to create the first JSP page with JSP code to test the JSP support of the Tomcat Web server. 2023-09-08, ∼7977🔥, 4💬

💬 2021-11-21 Cyp: &lt;html>&lt;body> &lt;% out.println("Hello world! -- From JSP"); %> &lt;/body>&lt;/html>

💬 2019-07-10 s: hello

French Characters in HTML Documents - ISO-8859-1 Encoding
This section provides a tutorial example on how enter and use French characters in HTML documents using Unicode ISO-8859-1 encoding. The HTML document should include a meta tag with charset=ISO-8859-1 and be stored in ANSI format. 2021-06-13, ∼7973🔥, 6💬

💬 2021-06-13 Heronng: Merci beaucoup!

💬 2021-06-13 asd: Je vous souhaite d'être heureux très longtemps, comme vous l'êtes à présent.

💬 2021-05-25 Numéro: Numéro

💬 2019-01-21 Herong: etwt, Which number is invalid?

💬 2019-01-10 etwt: Numéro invalide

中文电视连续剧 - 经典, 热门
这本电视剧精选收录了各个时期中文热门电视连续剧, 其中包括许多荣获各项电视艺术大奖的经典电视连续剧, 同时还收录了免费播放和免费下载相关链接. 2021-07-04, ∼7929🔥, 1💬

💬 2021-07-04 akito: useful website

Free Chinese Calendars: 2001 - 2010
Where to find Chinese New Year dates for year 2001 to 2010? Where to get free Chinese calendars? Here are the Chinese New Year dates for year 2001 to 2010: Free Chinese Calendars for year 2001 to 2010: Free Chinese Calendar 2001 - Year of the Snake Free Chinese Calendar 2002 - Year of the Horse Free... 2025-07-28, ∼7919🔥, 0💬

Chinese astrology - Wikipedia
Chinese astrology (占星術 pinyin: zhàn xīng shù; 星學 pinyin: xīngxúe ; 七政四餘 pinyin: qī zhèng sì yú; and 果老星宗 pinyin: gǔo lǎo xīng zōng) is related to the Chinese calendar, particularly its 12-year cycle of animals (aka Chinese Zodiac), and the fortune-telling aspects according to movement o... 2021-11-18, ∼7919🔥, 0💬

Choosing a Wedding Date - When You are Feeling Indecisive
For some couples, it's easy &#150; they know just when they want to tie the knot. For others, it's less clear. After all, you have a lot of options. Even more than you might think, since it's really not necessary to get married on a Saturday. Friday and Sunday afternoons are good choices too, an... 2021-09-25, ∼7912🔥, 0💬

Bin2Hex.pl - Converting Binary Data to Hex Numbers
This section provides a tutorial example on how to convert binary data file to hex numbers - Bin2Hex.pl. 2016-08-08, ∼7894🔥, 1💬

💬 2016-08-08 HEX: 831BE6B18E7006372069545885A80F786C33 D064904732D39EFBE0EC7019B5D4

<< < … 6 7 8 9 10 11 12 13 14 15 16 … > >>   ∑:9107  Sort:Date

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO