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Delete files older than 3 months old in a directory using .NET
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Here's a 1-liner lambda:
Directory.GetFiles(dirName)
.Select(f => new FileInfo(f))
.Where(f => f.LastAccessTime < DateTime.Now.AddMonths(-3))
.ToList()
.ForEach(f => f.Delete());
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CSS opacity only to background color, not the text on it? [duplicate]
...de:
.myClass {
background-color: fade(#FFFFFF, 50%);
}
See How do I convert a hexadecimal color to rgba with the Less compiler?
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How to check whether a string contains a substring in Ruby
...oMethodError: undefined method `include?' for nil:NilClass should always convert the value being included to the expected value:- test.to_s.include?("test")
– Gary
May 8 '18 at 21:24
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How to get URL parameter using jQuery or plain JavaScript?
...ust used var sPageURL = decodeURI(window.location.search.substring(1)); to convert %20 characters into white spaces and also I return an empty string instead of nothing if the parameter is not matched.
– Christophe
Feb 11 '15 at 13:44
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Parallel.ForEach vs Task.Run and Task.WhenAll
...e that your second example can be shortened to
await Task.WhenAll(strings.Select(s => Task.Run(() => DoSomething(s)));
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How do I reference a javascript object property with a hyphen in it?
...d in is a CSS property. CSS properties that have hyphens are automatically converted to camel casing. In that case you can use the camel cased name like:
style.textAlign;
However this solution only works for CSS properties. For example,
obj['a-b'] = 2;
alert(obj.aB); // undefined
alert(...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...n is the size of the lists.
If the elements are also unique, you can also convert to sets (same asymptotic runtime, may be a little bit faster in practice):
set(x) == set(y)
If the elements are not hashable, but sortable, another alternative (runtime in O(n log n)) is
sorted(x) == sorted(y)
I...
How do I extract text that lies between parentheses (round brackets)?
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Honestly, this should've been selected as the answer.
– Pat Lindley
Jan 11 '13 at 18:58
1
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Simulator error FBSSystemServiceDomain code 4
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Go to the iOS Simulator menu and select Reset Content and Settings.
Alternatively, you could quit and reopen the Simulator.
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What is the best way to get the count/length/size of an iterator?
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Using Guava library, another option is to convert the Iterable to a List.
List list = Lists.newArrayList(some_iterator);
int count = list.size();
Use this if you need also to access the elements of the iterator after getting its size. By using Iterators.size() you...