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JPEG Image File Format Quality and Size
This chapter provides tutorial notes and example codes on JPG (JPEG) image file format. Topics include saving images in JPEG format; comparing file sizes of JPEG and BMP formats; comparing image quality and file size of JPEG compression quality levels: 95%, 90%, 85%, 75%, 50%, and 25%.
2021-03-26, 126👍, 1💬

About This Book: Windows Tutorials
This section provides some detailed information about this book - Windows Tutorials - Herong's Tutorial Examples.
2021-03-26, 127👍, 1💬

Decode Bitcoin Raw Transaction Format
This section describes how to decode a Bitcoin raw transaction format.
2021-03-26, 1313👍, 4💬

💬 2020-01-14 stanimir: 499ea7359e1a6a69656d75f41f7f798fb158 8cbc0f8686130da0ecb4279a0946

💬 2019-09-02 qewr: 0100000001daf105fafc6e3e4f6ce2143b86 952ca8ee4d898415f2ec05349e41...

💬 2019-08-27 hi: 0100000002f64c603e2f9f4daf70c2f4252b 2dcdb07cc0192b7238bc9c3dacba...

Installing Microsoft JDBC Driver for SQL Server
This section describes how to download and install Microsoft JDBC Driver 4.2 for SQL Server 2014.
2021-03-23, 14724👍, 5💬

💬 2016-10-13 Herong: Matthew, see the Loading Driver Class Automatically tutorial my response to your other question.

💬 2016-10-12 Matthew: well that was rude.. you could have just said you didnt have the time to help me... what goes around come around

💬 2016-10-04 Eric: very happy

💬 2016-04-23 bhanu: thanks

UTF-16BE Encoding
This section provides a quick introduction of the UTF-16BE (Unicode Transformation Format - 16-bit Big Endian) encoding for Unicode character set. UTF-16BE is a variation of UTF-16.
2021-03-22, 4656👍, 7💬

💬 2019-11-25 Remo Harsono: Very helpful information, thanks

💬 2019-08-09 asas: UTF-16BE

💬 2017-07-14 john wirter: thnanks foro hthe inofos

💬 2017-06-06 potato: Cool

什么是病毒载体疫苗
什么是病毒载体疫苗? 它的工作机制是什么? 病毒载体疫苗又可以细分成两个小类:复制型病毒载体疫苗(Rep licatingViral Vector), 非复制型病毒载体疫苗(Non-Replicating Viral Vector)。 1. 复制型病毒载体疫苗 - 复制型病毒载体疫苗是改造后的有活性的流感病毒,其表面带有新冠 病毒的S蛋白。减毒活疫苗的工作机制如下: 先将...
2021-03-21, 762👍, 0💬

"Registration" Web Service - WSDL 1.1 and SOAP 1.1
"Registration" is an XML document based Web service for testing purpose only. High level information about this "Registration" Web service: WSDL Document: Registration_WSDL_11_SOAP_11_D ocument.wsdl.WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.1 Transportation: SOAP 1.1 over HTTP Operation Name:...
2021-03-21, 337👍, 0💬

中国生物新冠疫苗 - 深度解答
中国生物新冠疫苗究竟是怎样研发出来的?有效吗?够用吗? 下面我们对这些问题进行深入的解答: 中国生物新冠疫苗 - 研发时刻表 中国生物新冠疫苗 - 接种人次 中国生物新冠疫苗 - 接种年龄 中国生物新冠疫苗 - 保护效力 中国生物新冠疫苗 - 抗体保护期 中国生物新冠疫苗 - 变异株效力 中国生物新冠疫苗 - 生产能力 参考文献: 中国新冠疫苗安全吗、有效吗、够用吗? 中国生物董事长杨晓明回应, htt...
2021-03-21, 316👍, 0💬

Lucky Wedding Dates: 2034 - Year of the Tiger
Where to find lucky wedding dates for year 2034? Lucky Wedding Dates: 2034 - Year of the Tiger   ⇒ Lucky Wedding Dates: 2035 - Year of the Rabbit ⇐ Lucky Wedding Dates: 2033 - Year of the Ox ⇑ Lucky Wedding Dates: 2032 to 2043 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-21, 236👍, 0💬

Lucky Wedding Dates: 2033 - Year of the Ox
Where to find lucky wedding dates for year 2033? Lucky Wedding Dates: 2033 - Year of the Ox   ⇒ Lucky Wedding Dates: 2034 - Year of the Tiger ⇐ Lucky Wedding Dates: 2032 - Year of the Rat ⇑ Lucky Wedding Dates: 2032 to 2043 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-21, 226👍, 0💬

Base32 Encoding Algorithm
This section describes the Base32 encoding algorithm with some simple encoding examples.
2021-03-20, 8791👍, 9💬

💬 2021-03-20 Yours: Encryption is the method by which information is converted into secret code that hides the information's true meaning. The scien...

💬 2021-02-12 Herong: madblack, can you follow Example 5 given in the above tutorial? Just add "F" to the end of the input, then follow Padding, Bit G...

💬 2021-02-04 madblack: what is the output of 'ABCDEF' and how to solve it

💬 2020-09-30 Herong: savannah, if the last block is less than 5 bytes, it needs to padded with one or more 0x00 bytes.

💬 2020-09-29 savannah: Small question. What if my input word is ABCDEFGHIJ. How do I group this into blocks of 5 bytes?

(More comments ...)

Java Strings as Unicode Encoded Byte Sequences
This section provides a tutorial example on how to use Java String data type to enter non-ASCII character as Unicode characters. Java Servlet technology is smart to convert Unicode characters into the encoding specified in the setContentType() call.
2021-03-18, 122👍, 2💬

💬 2021-03-18 datko: Thanks ya

Create Tables with CLOB Columns
This section describes how to create tables with CLOB (LONGTEXT) columns in MySQL server.
2021-03-17, 11172👍, 3💬

💬 2018-01-06 Herong: AAA, what is the this statement for?

💬 2018-01-02 AAA: update MyriadReport mr set Construction_Quality_Sql = CONCAT( "select ConstructionQuality from building bg where bg.CMMContainer...

Comment Testing Area
What is test testing area for? The testing area is provided to allow visitors to post testing comments.
2021-03-17, 20955👍, 70💬

💬 2021-03-29 Hiroji kurihara: Propagation of light (I say again) Light is propagated in three ways (as follows). 1. In mediums, speed of light is c/n. MM expe...

💬 2021-03-29 Hiroji kurihara: Propagation of light (I say again) Light is propagated in three ways (as follows). 1. In mediums, speed of light is c/n. MM expe...

💬 2021-03-26 aa: 0100000001c8838b5a4707600f454e7e9479 d533dee4ebb16e660ae86cdcdc6c882d2be4 50010000006a4730440220236d6cf2920f87 20787f0277eceb31a61b...

💬 2021-03-23 Tony: 1

💬 2021-03-22 nj: o

(More comments ...)

"services.msc" - Program Services Console
This section provides a quick description of the Services Console and a tutorial example on how to list all program services.
2021-03-16, 62181👍, 14💬

💬 2021-03-16 Esperanza Torres: keep getting error when attempt to print

💬 2021-03-08 robert: how to fix printer head

💬 2019-12-08 Herong: hardwick, if you have "Print Spooler" service running, your printing issue is probably caused by the printer driver setup.

💬 2019-12-07 hardwick: keep getting error when attenpt to print

💬 2019-10-29 Stan: How can I fix print spooler service is not running

(More comments ...)

什么是全病毒疫苗
什么是全病毒疫苗? 它的工作机制是什么? 全病毒疫苗又可以细分成两个小类:减毒活疫苗(Weakened Virus),灭活疫苗(Inactivated Virus)。 1. 低毒活疫苗 - 减毒活疫苗(低毒活疫苗)是改造后毒性很小,但是仍有活性的新冠 病毒。减毒活疫苗的工作机制如下: 先将野生新冠病毒的基因进行改造,将其毒性减少到最小,但保全其 活性和整体结构。然后将...
2021-03-14, 470👍, 0💬

Lucky Wedding Dates: 2036 - Year of the Dragon
Where to find lucky wedding dates for year 2036? Lucky Wedding Dates: 2036 - Year of the Dragon   ⇒ Lucky Wedding Dates: 2037 - Year of the Snake ⇐ Lucky Wedding Dates: 2035 - Year of the Rabbit ⇑ Lucky Wedding Dates: 2032 to 2043 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-14, 220👍, 0💬

Lucky Wedding Dates: 2037 - Year of the Snake
Where to find lucky wedding dates for year 2037? Lucky Wedding Dates: 2037 - Year of the Snake   ⇒ Lucky Wedding Dates: 2038 - Year of the Horse ⇐ Lucky Wedding Dates: 2036 - Year of the Dragon ⇑ Lucky Wedding Dates: 2032 to 2043 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-14, 219👍, 0💬

Lucky Wedding Dates: 2035 - Year of the Rabbit
Where to find lucky wedding dates for year 2035? Lucky Wedding Dates: 2035 - Year of the Rabbit   ⇒ Lucky Wedding Dates: 2036 - Year of the Dragon ⇐ Lucky Wedding Dates: 2034 - Year of the Tiger ⇑ Lucky Wedding Dates: 2032 to 2043 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-14, 210👍, 0💬

Base32 Encoding
This chapter provides notes and tutorials on Base32 encoding algorithm and implementations. Topics include reviewing the Base32 encoding algorithm; reviewing different Base32 character set maps; reviewing implementations of Base32 coding in Java, PHP and C++ languages.
2021-03-13, 124👍, 1💬

💬 2021-03-13 Hans: Hello World!

Gemini - The Twins, The Third Zodiac Sign
This section describes the third zodiac sign, Gemini, the Twins.
2021-03-11, 1965👍, 3💬

💬 2021-03-11 ari: Thank you for adding the sidereal zodiac because I follow sidereal astrology.

💬 2017-01-08 Herong: Even, Thanks for the comment!

💬 2017-01-04 Evan: It is nice to see a site that attends to both aspects/systems tropical/side-realism. according to the mathmatical anti-spam fiel...

科兴生物新冠疫苗
科兴生物新冠疫苗的结构和工作机制是什么? 科兴生物新冠疫苗是由北京科兴生物制品有限公司(Sinovac Biotech)研发的COVID-19疫苗, 代号为CoronaVac。 科兴生物新冠疫苗是一种灭活疫苗,是破坏了RNA基因的新冠病毒 颗粒。科兴生物新冠疫苗的工作机制和其它灭活疫苗一样: 含有无活性的新冠病毒疫苗通过肌肉注射进入人体。 无活性的新冠病毒...
2021-03-11, 15533👍, 0💬

辉瑞新冠疫苗
辉瑞新冠疫苗的结构和工作机制是什么? 辉瑞新冠疫苗是由辉瑞(Pfizer)和拜恩泰科(BioNTe ch)共同研发的COVID-19疫苗,代号为BNT162b2 。这款疫苗的发明人是乌古尔-萨欣博士(Dr. Ugur Sahi)和厄兹莱姆-图雷奇博士(Dr. Özlem Türeci)夫妇。 他们也是BioNTech公司的创建人。 辉瑞新冠疫苗是一种mRNA疫苗, 由两种成分组成:代表新冠病毒的...
2021-03-11, 538👍, 0💬

"GetStockPrice" Web Service - WSDL 1.1 and SOAP 1.2
"GetStockPrice" is an RPC method based Web service for testing purpose only. High level information about this "GetStockPrice" Web service: WSDL Document: GetStockPrice_WSDL_11_SOAP_12_ RPC.wsdl.WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.2 Transportation: SOAP 1.2 over HTTP Operation Name: Get...
2021-03-11, 256👍, 0💬

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