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std::unique_lock or std::lock_guard?
...er, std::unique_lock might have a tad more overhead.
Note that these days one should use std::scoped_lock instead of std::lock_guard.
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Does MySQL ignore null values on unique constraints?
...S NOT NULL seems to fail me as it not supported in my version of MySQL. Anyone know where I could look?
– newdark-it
Nov 20 '18 at 17:13
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Loop through an array in JavaScript
... flow control statements
Cons
Too verbose
Imperative
Easy to have off-by-one errors (sometimes also called a fence post error)
2. Array.prototype.forEach
The ES5 specification introduced a lot of beneficial array methods, one of them, the Array.prototype.forEach and it gives us a concise way to i...
How to save as a new file and keep working on the original one in Vim?
...lass=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49....
What does the * * CSS selector do?
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Just like any other time you put two selectors one after another (for example li a), you get the descendant combinator. So * * is any element that is a descendant of any other element — in other words, any element that isn't the root element of the whole document.
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What does enumerable mean?
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An enumerable property is one that can be included in and visited during for..in loops (or a similar iteration of properties, like Object.keys()).
If a property isn't identified as enumerable, the loop will ignore that it's within the object.
var ob...
Why should you use an ORM? [closed]
... @troelskn: I agree, I have used many RDBMS products, but never more than one or two per project. So portability isn't the most practical value of abstracting SQL. I think many ORM users simply want to avoid coding in SQL at all.
– Bill Karwin
Dec 29 '09 at ...
Click event doesn't work on dynamically generated elements [duplicate]
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This worked for me. Funny none of the answers above point out the fact that a non-dynamic parent selector has to be used. No wonder '.on' was not working for me earlier.
– aces.
Feb 20 '13 at 17:33
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T-SQL split string
...I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.
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Round to at most 2 decimal places (only if necessary)
...BlS1cqbvWPCHJeOy?p=preview
NOTE: This is not a universal solution for everyone. There are several different rounding algorithms, your implementation can be different, depends on your requirements. https://en.wikipedia.org/wiki/Rounding
Solution 2 is to avoid front end calculations and pull rounded v...