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"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode
2020-01-28, ∼6605🔥, 2💬

💬 2020-01-28 Herong: Sword, a “light” node only stores block headers. So it can not perform any transactions without the help from a “full” or “fas...

💬 2020-01-23 sword_smith: Can you tell us what a 'fast' node can do that a 'light' node cannot do? Are there any RPC calls that will be slower or disabled...

setMnemonic() - Setting Keyboard Mnemonics on Menu Items
This section provides a tutorial example on how to use setMnemonic() method to associate mnemonics to menu items. Mnemonics allows user to interact with menu items using keys on keyboard.
2023-04-27, ∼6604🔥, 5💬

💬 2023-04-27 a: thanks

💬 2021-02-05 Hailemelekot: good.

💬 2020-11-20 rose: nic

Chinese Horoscopes - The Snake
The Snake Ancient Chinese wisdom says a Snake in the house is a good omen because it means your family will not starve. This could be taken metaphorically to mean that a Snake could never have a problem with his family starving because he is such a great mediator, making him good at business. Or it ...
2021-10-23, ∼6508🔥, 0💬

Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener...
2019-01-01, ∼6487🔥, 1💬

💬 2018-06-17 Jack: It's helpful!

Chinese Horoscopes - The Rabbit
The Rabbit Rabbits are private individuals, a bit introverted and withdrawn. People e born into this sign would rather work behind-the-scenes instead of being the center of attention in any situation. Do not misunderstand the Rabbit is not a recluse. In fact, he is a reasonably friendly individual w...
2021-10-19, ∼6473🔥, 0💬

Using openConnection() Method in java.net.URL Class
This section provides a tutorial example on how to use the openConnection() method in the java.net.URL class to perform a GET method on an HTTPS server. Java Secure Socket Extension (JSSE) works quietly behind the java.net.URL class to provide HTTPS support.
2022-07-08, ∼6456🔥, 3💬

💬 2015-08-05 ashkart: doesnt work indeed. Connection type got, connection object got too. But then there is an exception "java.net.ConnectException: C...

💬 2015-08-05 ashkart: sorry, works fine, i forgot i'm behind the proxy...

Operations on "byte" Data Type Values
This section provides a tutorial example on how 'byte' values are casted to 'int' values when they are involved in arithmetic, comparison and bitwise operations.
2017-01-21, ∼6454🔥, 2💬

💬 2017-01-21 Herong: Anonymous, Good question. But what do you expect an operation of byte+byte will do?

💬 2017-01-19 Anonymous: Reason for why byte doesn't holds good the + operator directly.

Chinese Horoscopes - The Dragon
The Dragon The Dragon personality The Dragon is a creature of myth and legend. A symbol of good fortune and sign of intense power, the Oriental Dragon is regarded as a divine beast - the reverse of the malicious monster that Westerners felt necessary to find and slay. In Eastern philosophy, the Drag...
2021-10-19, ∼6452🔥, 0💬

Retrieving BLOB Values with getBlob() Method
This section describes how to retrieve BLOB values with the ResultSet.getBlob() method.
2022-10-18, ∼6444🔥, 0💬

Installing LG USB Device Driver on Windows
This section provides a tutorial example on how to install the LG USB device driver for LG-P925g Android phone on Windows system. This is needed to test your Android application developed on Windows on LG phones via a USB connection.
2016-03-24, ∼6398🔥, 7💬

💬 2016-03-24 vamshi: hi hi hi

💬 2015-08-27 Herong: Renee, did you double-click on the downloaded file to actually install the driver to your computer?

💬 2015-08-26 Renee' Flory: Even after I download the program, the Driver Software Installation box does not come up. Even as the phone receives a charge fr...

Using Certificates in Firefox
This chapter provides tutorial notes and example codes on using certificates in Firefox. Topics include why Web browsers need certificates; viewing the certificate from an https Web server; exporting a certificate from Firefox to a certificate file; importing a CA certificate into Firefox.
2017-08-31, ∼6353🔥, 1💬

💬 2017-08-31 bobby: ok will do

Using Visual Basic with Microsoft Access
This section provides tutorial example on how to add a Visual Basic code in Microsoft Access database to be executed as a macro on database tables.
2023-12-16, ∼6344🔥, 11💬

💬 2023-12-16 v: Thank you!

💬 2022-02-27 bob: this didnt help

💬 2021-10-27 fahis: lets go

💬 2018-08-11 Herong: trina, I will make corrections. Thanks for the comment.

💬 2018-08-11 trina: Why spreading misinformation? Pages like this are confusing for new users, with half-facts and limited instruction. First: Acces...

(More comments ...)

Printing Histogram of Java Object Heap
This section provides a tutorial example on how to print the histogram of Java object heap, a list of different types of objects and their counts and total sizes.
2016-12-14, ∼6331🔥, 2💬

💬 2016-12-14 Herong: Erik, you can look at the Java Management Extensions (JMX) API.

💬 2016-12-11 Erik Ostermueller: is there a java api to access this histogram? Thanks, --Erik

Lucky Wedding Dates: 2031 - Year of the Boar
Where to find lucky wedding dates for year 2031? Lucky Wedding Dates: 2031 - Year of the Boar   ⇒ Lucky Wedding Dates: 2032 - Year of the Rat ⇐ Lucky Wedding Dates: 2031 - 2040 ⇑ Lucky Wedding Dates: 2031 - 2040 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-07-27, ∼6290🔥, 0💬

DsaSignatureGenerator.java - Generating DSA Digital Signature
This section provides tutorial example on how to generate a digital signature for a message file with a DSA private key using the SHA1withDSA algorithm.
2017-03-13, ∼6290🔥, 5💬

💬 2017-03-13 dingdong: heheheheehhe

💬 2016-10-15 Herong: Akash, can you check to ensure your key is a DSA key?

💬 2016-10-14 Akash: Exception occurs as follows: java.security.spec.InvalidKeySpecExc eption:Inappropriate key specification what it means? can you ...

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: 2031 - 2040 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-21, ∼6267🔥, 0💬

Chinese Horoscopes - The Dragon Personality
People born in the year of the dragon are full of vitality and strength. To them, life is a colorful leaping flame. Though assuming airs of self-importance, being prejudiced, making arbitrary decisions, and indulging in some of the wildest fantasies, these people are always adored. They are proud, a...
2021-08-13, ∼6253🔥, 0💬

Derby (Java DB) - Inserting Data Rows to Existing Tables
This section describes how to insert new data rows into Derby (Java DB) database tables through the JDBC driver.
2017-08-05, ∼6252🔥, 2💬

💬 2017-08-05 Herong: Stevoski, can you dump the Exception in the message dialog? It will give some clue on what happened to the execution.

💬 2017-08-03 Stevoski: is there any problem with these lines of code? all i get is invalid entry try{ String mk =jTextField1.getText(); String mn = jTe...

"soap:body" - Binding for SOAP Body
This section describes 'soap:body', a SOAP extension element that specifies how the SOAP Body should be constructed in the SOAP message for an operation input and output. 'literal' means no encoding.
2019-12-23, ∼6238🔥, 2💬

💬 2017-08-16 willy poki: hola

"Registration" Web Service - WSDL 1.1 and SOAP 1.2
"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_12_D ocument.wsdl. WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.2 Transportation: SOAP 1.2 over HTTP Operation Name...
2021-03-07, ∼6202🔥, 0💬

Lucky Wedding Dates: 2032 - Year of the Rat
Where to find lucky wedding dates for year 2032? Lucky Wedding Dates: 2032 - Year of the Rat   ⇒ Lucky Wedding Dates: 2033 - Year of the Ox ⇐ Lucky Wedding Dates: 2031 - Year of the Boar ⇑ Lucky Wedding Dates: 2031 - 2040 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-05-04, ∼6199🔥, 0💬

Downloading and Installing SoapUI
This section provides a tutorial example on downloading and installing SoapUI on Windows system.
2017-02-23, ∼6173🔥, 3💬

💬 2016-12-26 Tony: Greate JOB!

💬 2015-07-31 BVIJAYREDDY: GOOD

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: 2031 - 2040 ⇑⇑ Wedding Date - The Most Important Date of Your Life
2021-03-14, ∼6171🔥, 0💬

bitcoin-cli Wallet Commands
This section describes wallet related 'bitcoin-cli' commands.
2022-08-16, ∼6168🔥, 2💬

💬 2021-08-13 Nicolas Darnis: Hi, I'm a BTC newbie, and sure it's not the right place to ask, but, I'm so deseperate... Sainx in advance if you could help. Qu...

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