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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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How do you round UP a number in Python?
This problem is killing me. How does one roundup a number UP in Python?
24 Answers
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Flexbox Not Centering Vertically in IE
...ie is happy and we still can use min-height.
Hope this is helpful for someone.
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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...
UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
...stion is not using the CP1252 encoding. It's using another encoding. Which one you have to figure out yourself. Common ones are Latin-1 and UTF-8. Since 0x90 doesn't actually mean anything in Latin-1, UTF-8 (where 0x90 is a continuation byte) is more likely.
You specify the encoding when you open t...
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 ...
Are trailing commas in arrays and objects part of the spec?
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Just a quick reminder/warning that this is one of the areas in which the JavaScript/ECMAScript standard and JSON standard differ; trailing commas are valid in JS but not valid in JSON.
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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...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...Value"));
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assertThat(foo, hasItems("someValue", "anotherValue"));
One can discuss which one of those is easier to read, but once the assert fails, you'll get a good error message from assertThat, but only a very minimal amount of information from assertTrue.
assertThat will tell you what t...
jQuery: how to get which button was clicked upon form submission?
... up for form submission. I also have multiple forms on the page, but just one here for this example. I'd like to know which submit button was clicked without applying a .click() event to each one.
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