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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...associated with any alphabet.
The ECMAScript standard, chapter 7.6 (which all the browsers except Internet Explorer are following), states that an identifier must start with one of the following.
a Unicode letter
$ or _
\ followed by a unicode escape sequence.
The following characters of an ide...
How do I format a date with Dart?
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You can use the intl package (installer) to format dates.
For en_US formats, it's quite simple:
import 'package:intl/intl.dart';
main() {
final DateTime now = DateTime.now();
final DateFormat formatter = DateFormat('yyyy-MM-dd');
final String formatted...
Constructor initialization-list evaluation order
...ped aborting. This is an example of the syntax I'm using. The thing is, a_ needs to be initialized before b_ in this case. Can you guarantee the order of construction?
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Using a dispatch_once singleton model in Swift
...variables), and is thread safe by the definition of let. This is now officially recommended way to instantiate a singleton.
Class constants were introduced in Swift 1.2. If you need to support an earlier version of Swift, use the nested struct approach below or a global constant.
Nested struct
cl...
How do you disable browser Autocomplete on web form field / input tag?
...t it both on the form, AND on the input element itself. That way you cover all the nonstandardness of browsers.
– AviD
Dec 13 '10 at 12:11
85
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Find intersection of two nested lists?
... 3 filter returns an iterable instead of list, so you need to wrap filter calls with list():
c3 = [list(filter(lambda x: x in c1, sublist)) for sublist in c2]
Explanation:
The filter part takes each sublist's item and checks to see if it is in the source list c1.
The list comprehension is exec...
Can grep show only words that match search pattern?
... grep across a number of directories it did display the full file path for all matched files, whereas with -h it just displayed the matched words without any specification about which file it is. So, to match the original question, I think it is necessary in certain circumstances.
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How can I change the copyright template in Xcode 4?
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__MyCompanyName__ being ugly (or if you aren't coding for the company set up in your profile), let's change it.
Click on your project root in the Project Navigator on the left
Enable your Utilities view on the right while t...
How can I filter a Django query with a list of values?
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From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
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Excel VBA - exit for loop
...then exit for
However, this is also an option:
Sub some()
Count = 0
End_ = ThisWorkbook.Sheets(1).Range("B1047854").End(xlUp).Row
While Count < End_ And Not ThisWorkbook.Sheets(1).Range("B" & Count).Value = "Artikel"
Count = Count + 1
If ThisWorkbook.Sheets(1).Range("B" & Cou...