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Origin null is not allowed by Access-Control-Allow-Origin
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@CiaranG I ran python -m SimpleHTTPServer from a command line and then went to localhost:8000, worked for me. Python comes preinstalled with Mac OS X; you may need to install if using another OS.
– Dave Liepmann
Jul 2...
Security of REST authentication schemes
... @Les Hazlewood Could you explain how HTTP Basic authentication over Https can help to determine server knows whom its talking to?
– Spring
Dec 26 '12 at 15:24
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Purpose of Python's __repr__
...ou think readability is more important of non-ambiguity.
Refer this link: https://www.pythoncentral.io/what-is-the-difference-between-str-and-repr-in-python/
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How do I tar a directory of files and folders without including the directory itself?
...t of sed, and we can use separators other than / (, in the above example).
https://www.gnu.org/software/tar/manual/html_section/tar_52.html
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How to validate an e-mail address in swift?
...king for a clean and simple solution to do this, you should take a look at https://github.com/nsagora/validation-components.
It contains an email validation predicate which is easy integrate in your code:
let email = "test@example.com"
let rule = EmailValidationPredicate()
let isValidEmail = rul...
Remove local git tags that are no longer on the remote repository
...) allow one to simply say
git fetch --prune --prune-tags
Much cleaner!
https://git-scm.com/docs/git-fetch#_pruning
You can also configure git to always prune tags when fetching:
git config fetch.pruneTags true
If you only want to prune tags when fetching from a specific remote, you can use t...
Sell me on const correctness
...
This is the definitive article on "const correctness": https://isocpp.org/wiki/faq/const-correctness.
In a nutshell, using const is good practice because...
It protects you from accidentally changing variables that aren't intended be changed,
It protects you from making accid...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
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HTML colspan in CSS
...is nowadays, since the original post was from 2010.
Here's a great guide: https://css-tricks.com/snippets/css/a-guide-to-flexbox/
.table {
border: 1px solid red;
padding: 2px;
max-width: 300px;
display: flex;
flex-flow: row wrap;
}
.table-cell {
border: 1px solid blue;
f...
Interpolating a string into a regex
...eUploader: {
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