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Delete files older than 3 months old in a directory using .NET
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answered Feb 8 '10 at 14:57
Steve DannerSteve Danner
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Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?
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answered Jan 4 '11 at 10:08
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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How to map and remove nil values in Ruby
...ect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the block evaluates to falsey, simply:
items.filter_map { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on ...
Difference between Django's annotate and aggregate methods?
... Model:
class Books(models.Model):
name = models.CharField(max_length=100)
pages = models.IntegerField()
price = models.DecimalField(max_digits=5, decimal_places=3)
In Shell:
>>> Books.objects.all().aggregate(Avg('price'))
# Above code will give the Average of the price Colu...
Static linking vs dynamic linking
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answered Jan 3 '10 at 0:10
dmckee --- ex-moderator kittendmckee --- ex-moderator kitten
87.6k2323 gold badges127127 silver badges219219 bronze badges
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How do I reattach to a detached mosh session?
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10
As an addition to Varta's answer, I use the following command to close all mosh connections exc...
Accessing UI (Main) Thread safely in WPF
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Java integer to byte array
... (byte b : bytes) {
System.out.format("0x%x ", b);
}
output:
0x65 0x10 0xf3 0x29
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How to get city name from latitude and longitude coordinates in Google Maps?
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answered Feb 19 '10 at 13:03
cchenesonccheneson
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How do I efficiently iterate over each entry in a Java Map?
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ScArcher2ScArcher2
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