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What is the difference between JDK and JRE?
...me .jars, configuration files, property files, fonts, translations, certs, etc. – all the "trimmings" of Java. The most important is modules, a file that contains the .class files of the Java standard library.
At a certain level, the Java standard library needs to call into native code. For this p...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
... of merging file changes (within the same file!) together during pulls or fetches/pushes to a remote repository such as GitHub. The only time you need to do manual changes (actually editing a file) is if two changes involve the same line(s) of code.
Branches
Branches allow you to preserve the ...
How many bytes does one Unicode character take?
.... Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The other encodin...
Reading binary file and looping over each byte
...tically human readable text files (like plain text, code, markup, markdown etc... essentially anything ascii, utf, latin, etc... encoded) that you should open without the 'b' flag.
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Synchronization vs Lock
...d to use that directly either (you can use Queues and Semaphore and stuff, etc, most of the time).
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Multiple queries executed in java in single statement
...nection property to those if already exists some, like autoReConnect=true, etc.. Acceptable values for allowMultiQueries property are true, false, yes, and no. Any other value is rejected at runtime with an SQLException.
String dbUrl = "jdbc:mysql:///test?allowMultiQueries=true";
Unless such ...
How to read a single char from the console in Java (as the user types it)?
...ersions, 64/32 bit, Linux via SSH, Telnet, serial port or desktop console, etc.). So far I only use it in my private test tools. But the source code is relatively small, compared to other solutions (like JLine2 which uses Jansi). So there is not much that can go wrong. I wrote it, because JLine2 doe...
Can local storage ever be considered secure? [closed]
...atch-22 of downloading the tool to verify the downloads… PRNG quality… etc.)
– amcgregor
Feb 26 '19 at 17:30
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How to know if user is logged in with passport.js?
...express.js and passport.js you will deal with requests (app.get, app.post, etc), so talking about using passport.js outside of it is little bit pointless. Yes it is only within express route middleware handlers like app.get, app.post etc. If you need different functionality, then you should explain ...
What is the difference between String and string in C#?
...ell-known by C# programmers.
I can say the same about (int, System.Int32) etc..
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