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Using CertificateFactory Class to Read in Certificates
This section provides a tutorial example on how to write a sample program to read in certificate files with the java.security.cert.Certificate Factoryclass.
2022-10-01, ∼897🔥, 0💬

"geth console" - Ethereum Node Console
This section describes 'geth console' - Ethereum node console
2022-10-01, ∼895🔥, 0💬

HTTPS Server Authentication Process
This section describes the HTTPS server authentication process - 1. CA root certificate installed in the browser; 2. Web server certificate signed by the CA; 3. Web server certificate validated by the browser.
2022-10-01, ∼891🔥, 0💬

bitcoin-qt - Wallet and Receiving Addresses
This section describes how to view wallet and receiving addresses on Bitcoin-Qt - Bitcoin Core GUI
2022-10-01, ∼891🔥, 0💬

"Web console" Login Welcome Message
This section provides a tutorial example on how to remove the 'Web console' Cockpit message displayed after logging in to a CentOS 8 system.
2022-10-01, ∼889🔥, 0💬

GC Log Message Format for Serial Collector
This section provides explanations on GC log messages generated from the Serial Collector.
2022-10-01, ∼887🔥, 0💬

What Is PKI (Public Key Infrastructure)
This section describes what is PKI (Public Key Infrastructure) - an information technology infrastructure that enables Internet users to securely exchange information using the public and private key technology.
2022-10-01, ∼881🔥, 0💬

"-XX:+PrintFlagsFinal" - Print JVM Options
This section describes the '-XX:+PrintFlagsFinal' JVM option, which prints all options and their values used by the JVM.
2022-10-01, ∼879🔥, 0💬

bitcoin-qt - Debug Window Console
This section describes how to use the debug window console on Bitcoin-Qt - Bitcoin Core GUI
2022-10-01, ∼877🔥, 0💬

Elliptic Curve Point Doubling Example
This section provides algebraic calculation example of point doubling, adding a point to itself, on an elliptic curve.
2022-10-01, ∼877🔥, 0💬

Explicit and Implicit Type Casting
This section describes type casting supported in Java: up casting (widening reference conversion) and down casting (narrowing reference conversion). Cast operation can be written explicitly with the cast operator (T), or implicitly with no operator.
2022-10-01, ∼876🔥, 0💬

MySQL Connector/J - Download and Installation
Describes how to download and install MySQL Connector/J (JDBC driver) required to run Java programs to access MySQL servers.
2022-10-01, ∼876🔥, 0💬

What Is pkgs.org
This section provides a tutorial example on how to use pkgs.org Website to search, find and install software packages on Linux systems.
2022-10-01, ∼876🔥, 0💬

Looking Up Method Signature with javap Command
This section provides a tutorial example of how to lookup method signatures in a class file or JAR file with the 'javap' command.
2022-10-01, ∼875🔥, 0💬

Concurrent Mark-Sweep (CMS) Collector - "+XX:+UseConcMarkSweepGC"
This chapter provides tutorial notes and example codes on the Concurrent Mark-Sweep Collector specified by the '+XX:+UseConcMarkSweepGC' JVM option. Topics include introduction to Concurrent Mark-Sweep (CMS) Collector; CMS Collector log message format; demonstration of reduction of stop-the-world by...
2022-10-01, ∼875🔥, 0💬

macOS Certificate Stores and Keychain Access
This chapter provides tutorial notes and example codes on macOS Certificate Stores and Keychain Access. Topics include introduction of Keychain Access; listing trusted root CA certificates; exporting certificates from or importing them to Keychain Access; detrusting or deleting certificates; creatin...
2022-10-01, ∼870🔥, 0💬

String.length() Is Not Number of Characters
This section provides tutorial example on showing the difference between length() and codePointCount() methods. The difference between charAt(int index) and codePointAt(int index) is also demonstrated.
2022-10-01, ∼867🔥, 0💬

Archived: Downloading and Installing JDK 1.5
This section describes how to download and install Java SE (JDK) 1.5.0 on a Windows XP system.
2022-10-01, ∼864🔥, 0💬

Use OpenLDAP Client Tools
This section provides a tutorial example on how to install OpenLDAP client tools and use them to access and manage LDAP server remotely.
2022-10-01, ∼861🔥, 0💬

Aries, The Ram, The First Zodiac Sign
This section describes the first zodiac sign, Aries, the Ram.
2022-10-01, ∼860🔥, 0💬

Presenting Non ASCII Characters in HTML Documents
This section provides a tutorial example on how to present non-ASCII characters in HTML documents and rules to ensure them being display correctly on Web browsers.
2022-10-01, ∼858🔥, 0💬

Page Footer with 3 Parts
This section provides a tutorial example on how to generate page footers with 3 parts aligned to left, center and right separately. A table of one row and three cells is used.
2022-10-01, ∼858🔥, 0💬

Creating and Deploying a Servlet on Tomcat
This section provides a tutorial example on how to create a simple Servlet class, compile it and deploy it on the Tomcat server.
2022-10-01, ∼857🔥, 0💬

LVM (Logical Volume Manager)
This chapter provides introductions and tutorial on LVM (Logical Volume Manager). Topics include introduction to LVM components: PV (Physical Volume), VG (Volume Group), LV (Logical Volume); creating and managing PV, VG, LV; extending file systems on LVs on the fly.
2022-10-01, ∼855🔥, 0💬

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