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NPM cannot install dependencies - Attempt to unlock something which hasn't been locked
...hown -R [username] .npm and I was finally able to run npm install commands from my projects again!
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Get the size of the screen, current web page and browser window
...indow width" and the content of this answer was on Google. A big minus one from me.
– Maciej Krawczyk
Jun 11 '16 at 7:43
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How to fix HTTP 404 on Github Pages?
...n't want to use the command line you can just edit your README.md direclty from the web interface.
– Christophe Le Besnerais
Feb 21 '19 at 14:51
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How to format a string as a telephone number in C#
... to validate that the initial string is at least 10 characters in length.
From a good page full of examples:
String.Format("{0:(###) ###-####}", 8005551212);
This will output "(800) 555-1212".
Although a regex may work even better, keep in mind the old programming quote:
Some people, wh...
Difference between JSONObject and JSONArray
...hort look at Google I found this link that describes the difference, yet from a syntax point of view.
8 Answers
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Why not to deploy on a Friday? [closed]
...ure we don't affect any customers (india and the middle east don't get off from officework on saturdays), but generally we "compromise" and deploy Friday afternoons.
If previously worked on a datingsite where we ideally wanted to deploy new stuff around Tuesday, since activity peaked around weeken...
How to write file if parent folder doesn't exist?
...
I find that the easiest way to do this is to use the outputFile() method from the fs-extra module.
Almost the same as writeFile (i.e. it overwrites), except that if the parent directory does not exist, it's created. options are what you'd pass to fs.writeFile().
Example:
var fs = require('f...
How do you send a HEAD HTTP request in Python 2?
...e code just that the library isn't called httplib anymore but http.client
from http.client import HTTPConnection
conn = HTTPConnection('www.google.com')
conn.request('HEAD', '/index.html')
res = conn.getresponse()
print(res.status, res.reason)
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How can I check for an empty/undefined/null string in JavaScript?
...g against "", because the interpreter won't have to create a String object from the string literal.
– Vincent Robert
Oct 1 '08 at 20:07
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How to rollback a specific migration?
...db:rollback STEP=n
where n is number of migrations to rollback, counting from latest migration.
If you want to rollback to a specific migration, then you should pass the version of the migration in the following:
rake db:migrate:down VERSION=xxxxx
where xxxxx is the version number of the migra...