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Basic HTTP authentication with Node and Express 4
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// authentication middleware
const auth = {login: 'yourlogin', password: 'yourpassword'} // change this
// parse login and password from headers
const b64auth = (req.headers.authorization || '').split(' ')[1] || ''
const [login, password] = Buffer.from(b64auth, 'base64').toString().spl...
Removing a model in rails (reverse of “rails g model Title…”)
...odel, it will delete the migration file, but not the database table. So before run
bundle exec rake db:rollback
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Extract only right most n letters from a string
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This aproach does not work correctly if the string is not as long as the number of characters required.
– stevehipwell
Nov 12 '09 at 13:59
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Change the name of a key in dictionary
...teps:
dictionary[new_key] = dictionary[old_key]
del dictionary[old_key]
Or in 1 step:
dictionary[new_key] = dictionary.pop(old_key)
which will raise KeyError if dictionary[old_key] is undefined. Note that this will delete dictionary[old_key].
>>> dictionary = { 1: 'one', 2:'two', 3:'...
What is the 'dynamic' type in C# 4.0 used for?
... called 'dynamic'. It all sounds good, but what would a programmer use it for?
10 Answers
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What exactly are “spin-locks”?
...in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel objects are not available in every state of the kernel, suc...
Get all elements but the first from an array
...gt; and their base interfaces (including IEnumerable<>), so you can for example pass an ArraySegment<> to string.Join.
– Jeppe Stig Nielsen
Jan 25 '17 at 8:49
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Numpy matrix to array
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If you'd like something a bit more readable, you can do this:
A = np.squeeze(np.asarray(M))
Equivalently, you could also do: A = np.asarray(M).reshape(-1), but that's a bit less easy to read.
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Change the maximum upload file size
I have a website hosted on a PC I have no access to. I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
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Can you do this HTML layout without using tables?
Ok, I had a simple layout problem a week or two ago. Namely sections of a page needed a header:
10 Answers
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