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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...EPLACE and INSERT...ON DUPLICATE KEY UPDATE are non-standard, proprietary inventions specific to MySQL. ANSI SQL 2003 defines a MERGE statement that can solve the same need (and more), but MySQL does not support the MERGE statement.
A user tried to edit this post (the edit was rejected by moder...
Behaviour of increment and decrement operators in Python
...r language. ++ is nothing more than a synonym for += 1. It was a shorthand invented because C compilers were stupid and didn't know how to optimize a += 1 into the inc instruction most computers have. In this day of optimizing compilers and bytecode interpreted languages, adding operators to a langu...
Returning JSON from PHP to JavaScript?
...json_encode
json_encode
Please use that if you can and don't suffer Not Invented Here syndrome.
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What is a “first chance exception”?
...after the application itself. This appears to be a Microsoft Visual Studio invention.
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Standard way to embed version into python package?
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James: Why __version_info__ specifically? (Which "invents" your own double-underscore-word.) [When James commented, underscores did nothing in comments, now they indicate emphasis, so James really wrote __version_info__ too. ---ed.]
– Roger Pate
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Assign one struct to another in C
...now difficult to know which struct instance owns the data. This is why C++ invented the concept of user-definable assignment operators - you can write specific code to handle this case.
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Java: when to use static methods
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I think a "static class" should be invented if you are going to use static variables and methods.
– Robert Rocha
Feb 26 '18 at 14:08
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jQuery vs document.querySelectorAll
...ou could just use Sizzle separately. This is a pretty fundamental wheel to invent.
Here's some cherry-pickings from the source that show the kind of things jQuery(w/ Sizzle) sorts out for you:
Safari quirks mode:
if ( document.querySelectorAll ) {
(function(){
var oldSizzle = Sizzle,
...
Why isn't Python very good for functional programming? [closed]
...ns were available in functional languages about 15 years before Python was invented and 25 years before Python gained an implementation of the feature. The idea that Python has influenced their spread, or that fp learned this from Python, or even simply that it's popularity in the fp world post-date...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
... questions, awesome. If you can't, then you know why most people do not re-invent the wheel and use a proven random number generator ;)
(By the way, a good adage is: The fastest code is code that does not run. You could make the fastest random() in the world, but it's no good if it is not very rand...