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Can CSS detect the number of children an element has?
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No. Well, not really. There are a couple of selectors that can get you somewhat close, but probably won't work in your example and don't have the best browser compatibility.
:only-child
The :only-child is one of the few true counting sele...
Loop through an array in JavaScript
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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 iterate over an array:
co...
Replacement for Google Code Search? [closed]
...- I use it a couple times a week to see how other developers have used (usually poorly documented) APIs. It's also convenient to see the internals of some of those APIs, or to find which API corresponds to the functionality you want (it's a great resource for Android in particular -- give it some o...
Select distinct using linq [duplicate]
...le rather than IList as the Linq above is lazily evaluated: it doesn't actually do all of the work until the enumerable is iterated. When you call ToList it actually walks the entire enumerable forcing all of the work to be done up front. (And may take a little while if your enumerable is infinitely...
Convert two lists into a dictionary
... elements. {k:v} or {**mapping} will construct a dict, but that's syntactically quite distinct.
– Dan Lenski
Aug 28 '19 at 16:41
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How do I iterate over a range of numbers defined by variables in Bash?
...echo $i; done
edit: I prefer seq over the other methods because I can actually remember it ;)
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Why can't a text column have a default value in MySQL?
...hat frustrating, as I want a default value!). Anybody know why this is not allowed?
7 Answers
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Is there a difference between PhoneGap and Cordova commands?
I just installed Phonegap for the first time and just browsed through the docs. What confuses me is the fact that some docs are using the command "phonegap" and some "cordova".
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Parse rfc3339 date strings in Python? [duplicate]
I have a datasets where all the dates have the following format:
3 Answers
3
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What exceptions should be thrown for invalid or unexpected parameters in .NET?
...o, that do not focus so much on the argument itself, but rather judge the call as a whole:
InvalidOperationException – The argument might be OK, but not in the current state of the object. Credit goes to STW (previously Yoooder). Vote his answer up as well.
NotSupportedException – The argument...