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Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...un Docker build on various files which previously worked before, which are now no longer working.
14 Answers
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pip issue installing almost any library
...ll to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neither is getting the job done.
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Read stream twice
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I know this comment is out of time, but, here in the first option, if you read the inputstream as a byte array, doesn't it means that you're loading all the data to memory? which could be a big problem if you're loading somethin...
Rspec doesn't see my model Class. uninitialized constant error
... versions of RSpec move some stuff out of the spec/spec_helper.rb file, so now you also get a spec/rails_helper.rb file. If you run rails generate rspec:install, this is what it produces (rspec-rails 3.0.1, rails 4.1.1). Turns out the rails_helper.rb file contains some similar code to yours and shou...
What are detached, persistent and transient objects in hibernate?
...ng it with a Session:
Long id = (Long) session.save(person);
// person is now in a persistent state
Now, if we close the Hibernate Session, the persistent instance will become a detached instance: it isn't attached to a Session anymore (but can still be modified and reattached to a new Session la...
What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...ethods. Lots of libraries do this.
However, let's look at how for in works now:
var listeners = ["a", "b", "c"];
for (o in listeners) {
console.log(o);
}
//prints:
// 0
// 1
// 2
// filter_0
Do you see? It suddenly thinks filter_0 is another array index. Of course, it is not really a nume...
How to post pictures to instagram using API
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Update:
Instagram are now banning accounts and removing the images based on this method. Please use with caution.
It seems that everyone who has answered this question with something along the lines of it can't be done is somewhat correct. Offi...
Sleep in JavaScript - delay between actions
...at the question asked, but it's more useful than the loop and compare Date.now(). Nobody what to use a blocked loop the implement sleep.
– Li Chunlin
Aug 10 '17 at 16:01
2
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Produce a random number in a range using C#
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Something like:
var rnd = new Random(DateTime.Now.Millisecond);
int ticks = rnd.Next(0, 3000);
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Google Docs/Drive - number the headings
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Update: now available in github.
Update 2: now handling empty headings and blank lines thanks to 2 pull requests on github.
Update 3: github and code below fixed to handle new Docs HEADING identification.
I modified the script m...