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What does ||= (or-equals) mean in Ruby?
...discussed so often on the Ruby mailing-lists and Ruby blogs that there are now even threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue.
Here's one: The definitive list of ||= (OR Equal) threads and pages
I...
NSUserDefaults not cleared after app uninstall on simulator
...m from a physical device running iOS8.
A quick and annoying solution for now is to click, iOS Simulator -> Reset Content and Settings.
Xcode 9.2 with Simulator 10 still presents this issue. Menu option is now Hardware .. Erase All Content and Settings
I submitted a bug report btw
...
Javascript trick for 'paste as plain text` in execCommand
...
Seems now that the problem I had was due to calling your script from a file which was itself loaded by a script. I can't paste into neither textarea nor input in your fiddle in FF 47.0.1 (can do it in chrome), but can paste into di...
How does the HyperLogLog algorithm work?
...dom integers, see an integer which binary representation starts with some known prefix, there is a higher chance that the cardinality of the stream is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts...
Get all unique values in a JavaScript array (remove duplicates)
...et to store unique values. To get an array with unique values you could do now this:
var myArray = ['a', 1, 'a', 2, '1'];
let unique = [...new Set(myArray)];
console.log(unique); // unique is ['a', 1, 2, '1']
The constructor of Set takes an iterable object, like Array, and the spread ope...
Is it possible to set UIView border properties from interface builder?
...ou can set some properties of a view's layer through interface builder. I know that I can set a layer's borderWidth and cornerRadius through xcode. borderColor doesn't work, probably because the layer wants a CGColor instead of a UIColor.
You might have to use Strings instead of numbers, but it wor...
Amazon S3 - HTTPS/SSL - Is it possible? [closed]
...AME furniture-retailcatalog-us.s3.amazonaws.com.
Hope that helps. Let us know if you have any other questions.
Amazon Web Services
Unfortunately your "friendly" CNAME will cause host name mismatch when validating the certificate, therefore you cannot really use it for a secure connection. A big mi...
Catch multiple exceptions in one line (except block)
I know that I can do:
5 Answers
5
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...lso stripped away all repository abstractions to keep it simple.
I don't know if that is a good solution, but I believe that some kind of hard work along these lines must be done to take care of all kinds of changes in the navigation collection. I would also be happy to see an easier way of doing i...
How do you change the server header returned by nginx?
...eping this string as is. But, for
security you may not want people to
know what you are running and you can
change this in the source code. Edit
the source file
src/http/ngx_http_header_filter_module.c
at look at lines 48 and 49. You can
change the String to anything you
want.
## v...