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When should an IllegalArgumentException be thrown?
...d in the JDK libraries, I would say:
It seems like a defensive measure to complain about obviously bad input before the input can get into the works and cause something to fail halfway through with a nonsensical error message.
It's used for cases where it would be too annoying to throw a checked e...
Passing enum or object through an intent (the best solution)
... use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>> Intent.putExtra(victim: T): Intent =
putExtra(T::class.java.name, victim.ordinal)
inline fun <reified T: Enum<T>> Intent.getEnumExtra(): T? =
getI...
Warn user before leaving web page with unsaved changes
...d anything on your forms. One solution is to use the beforeunload event in combination with a "dirty" flag, which only triggers the prompt if it's really relevant.
var isDirty = function() { return false; }
window.onload = function() {
window.addEventListener("beforeunload", function (e) {
...
Virtual functions and performance - C++
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What is a practical use for a closure in JavaScript?
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Difference in months between two dates
...uracy can be tolerated but for very huge date ranges this inaccuracy may become significant.
– Adam Ralph
Jan 9 '11 at 12:40
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Conventions for exceptions or error codes
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C++17 introduces the nodiscard attribute that will give a compiler warning if the return value of a function is not stored. Helps a little bit to catch forgotten error code checking. Example: godbolt.org/g/6i6E0B
– Zitrax
Mar 23 '17 at 15:24
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Cycles in family tree software
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It seems you (and/or your company) have a fundamental misunderstanding of what a family tree is supposed to be.
Let me clarify, I also work for a company that has (as one of its products) a family tree in its portfolio, and we have been struggling w...
What is so bad about singletons? [closed]
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community wiki
4 revs, 4 users 65%Jim Burger
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Learning to write a compiler [closed]
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Big List of Resources:
A Nanopass Framework for Compiler Education ¶
Advanced Compiler Design and Implementation $
An Incremental Approach to Compiler Construction ¶
ANTLR 3.x Video Tutorial
Basics of Compiler Design
Building a Parrot Compiler
Compiler Basics
Compiler Co...