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How can I get dictionary key as variable directly in Python (not by searching from value)?
... which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries... what I am trying to do is this:
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Can I convert long to int?
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Just do (int)myLongValue. It'll do exactly what you want (discarding MSBs and taking LSBs) in unchecked context (which is the compiler default). It'll throw OverflowException in checked context if the value doesn't fit in an int:
int myIntValue = unchecked((int)myLongValue);
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Regular Expressions- Match Anything
...tively "match any string".
Another option that only works for JavaScript (and is not recognized by any other regex flavor) is [^]* which also matches any string. But [\s\S]* seems to be more widely used, perhaps because it's more portable.
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How to create a .NET DateTime from ISO 8601 format
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This solution makes use of the DateTimeStyles enumeration, and it also works with Z.
DateTime d2 = DateTime.Parse("2010-08-20T15:00:00Z", null, System.Globalization.DateTimeStyles.RoundtripKind);
This prints the solution perfectly.
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fancybox2 / fancybox causes page to to jump to the top
...swer hasn't been changed in a full year. Hope future users implement this and not the "chop code out of the plugin" answer.
– AndyWarren
Oct 17 '13 at 14:13
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What does placing a @ in front of a C# variable name do? [duplicate]
I've been working with some C# legacy code and I've been seeing a lot of @ symbols in front of variable names. What does this signify or do?
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Is it correct to use alt tag for an anchor link?
...orted to you.
Note that the above is for HTML5, which is W3C’s HTML standard from 2014. In 2016, HTML 5.1 became the next HTML standard. Finding the allowed attributes works in the same way. You’ll see that the a element can have another attribute in HTML 5.1: rev.
You can find all HTML spec...
How to check with javascript if connection is local host?
...ating this as wrong. This simple snipped works perfect for me on localhost and production. My software knows weather to serve ads - or not, with 1 simple line of code. Thanks OP.
– Andy
Mar 17 '17 at 20:33
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Check for internet connection availability in Swift
...I wanted a more pure Swift solution. The existing Apple Reachability class and other third party libraries seemed to be too complicated for me to translate to Swift. I Googled some more and I came across this article which shows a simple method to check for network availability. I set out to transla...
Efficient way to rotate a list in python
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A collections.deque is optimized for pulling and pushing on both ends. They even have a dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
item...