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How to check if a URL is valid
... =~ /\A#{URI::regexp}\z/
If you only want to check for web URLs (http or https), use this:
url =~ /\A#{URI::regexp(['http', 'https'])}\z/
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How to put a label on an issue in GitHub if you are not a contributor / owner?
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GitHub issue templates label auto assignment (December 2018)
https://help.github.com/en/articles/creating-issue-templates-for-your-repository
The issue template feature is much older, but with an update from December 2018 https://github.blog/changelog/2018-12-05-issue-template-automat...
Rename specific column(s) in pandas
...ng columns with df.columns = ...? As shown by Ted Petrou in [this answer],(https://stackoverflow.com/a/46912050/4909087) set_axis is useful when trying to chain methods.
Compare
# new for pandas 0.21+
df.some_method1()
.some_method2()
.set_axis()
.some_method3()
Versus
# old way
df1 = df.some...
How can I get the Google cache age of any URL or web page? [closed]
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Use the URL
https://webcache.googleusercontent.com/search?q=cache:<your url without "http://">
Example:
https://webcache.googleusercontent.com/search?q=cache:stackoverflow.com
It contains a header like this:
This is Goo...
How to do a https request with bad certificate?
Say I want to get https://golang.org programatically. Currently golang.org (ssl) has a bad certificate which is issued to *.appspot.com So when I run this:
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Why no generics in Go?
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Go 2
There is a draft design for generics at https://blog.golang.org/go2draft.
Go 1
Russ Cox, one of the Go veterans wrote a blog post entitled The Generic Dilemma, in which he asks
…do you want slow programmers, slow compilers and bloated binaries, or slow exec...
Website screenshots
...age Insight api.
Just need to call it's api with params screenshot=true.
https://www.googleapis.com/pagespeedonline/v1/runPagespeed?
url=https://stackoverflow.com/&key={your_api_key}&screenshot=true
For mobile site view pass &strategy=mobile in params,
https://www.googleapis.com/pag...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
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@User timeout works just as fine with https as it does with http
– jaapz
Jan 9 '15 at 13:37
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How can I open a URL in Android's web browser from my application?
...ing like this:
if (!url.startsWith("http://") && !url.startsWith("https://"))
url = "http://" + url;
I would also probably pre-populate your EditText that the user is typing a URL in with "http://".
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How to add http:// if it doesn't exist in the URL?
...tp:// to a URL if it doesn't already include a protocol (e.g. http:// , https:// or ftp:// )?
8 Answers
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