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Thursday, 10 October 2024
A detailed explanation of a real case banking scam
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1 Go through the scam 2 How to identify fake website domain name "whois" lookup https://www.whois.com/whois/auth-royalbank-verify....
Thursday, 25 July 2024
Go compiled apps do syscall directly to Linux kernel
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Only Linux kernel provides a stable ABI for syscalls For macOS and Windows, the kernel and the userland lib wrapping syscalls are maintai...
Friday, 5 April 2024
Here document / multiple lines string in BASH
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Description
Sunday, 3 March 2024
How WSGI works in different implementations?
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Python's cgi module has been deprecated since version 3.11. Even pouplar web servers still support CGI standard, without an official li...
Saturday, 6 January 2024
Variable Scope tricks in Python and JavaScript
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0 what "x=10" does Variable declaration (or definition, allocation) and assignment are two different things. Let's take C code...
block scope VS function scope
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0 TLDR; Simply put, a block scope is a subscope of its enclosing function scope . In below C code, "x" is a function scoped vari...
Friday, 5 January 2024
Why Golang standard library has io.ReadFull() but no io.WriteFull()
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It's a common requirement that extact N bytes must be read or written. For example, TCP framing almost always needs this guarantee. POSI...
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