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Remove all subviews?
... it does for NSView, but not for UIView).
Please see this SO question for more details.
Note: Using either of these two methods will remove every view that your main view contains and release them, if they are not retained elsewhere. From Apple's documentation on removeFromSuperview:
If the re...
What does “DAMP not DRY” mean when talking about unit tests?
...o only those parts of the system that must change.
So, why is duplication more acceptable in tests?
Tests often contain inherent duplication because they are testing the same thing over and over again, only with slightly different input values or setup code. However, unlike production code, this d...
Why is it bad style to `rescue Exception => e` in Ruby?
...ion, it rescues from StandardError. You should generally specify something more specific than the default StandardError, but rescuing from Exception broadens the scope rather than narrowing it, and can have catastrophic results and make bug-hunting extremely difficult.
If you have a situation whe...
Implications of foldr vs. foldl (or foldl')
... list no matter what (e.g., summing the numbers in a list), then foldl' is more space- (and probably time-) efficient than foldr.
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How To Accept a File POST
...ipart-mime#multipartmime, although I think the article makes it seem a bit more complicated than it really is.
Basically,
public Task<HttpResponseMessage> PostFile()
{
HttpRequestMessage request = this.Request;
if (!request.Content.IsMimeMultipartContent())
{
throw ...
How to get string objects instead of Unicode from JSON?
...], 'foo': 'bar'}
>>> json_load_byteified(open('somefile.json'))
{'more json': 'from a file'}
How does this work and why would I use it?
Mark Amery's function is shorter and clearer than these ones, so what's the point of them? Why would you want to use them?
Purely for performance. Mark'...
How do I empty an array in JavaScript?
...
> 0 is more readable IMHO. And there's no performance difference between the two.
– Philippe Leybaert
Aug 8 '14 at 19:46
...
Throwing the fattest people off of an overloaded airplane.
...e heap. If we assume that passengers' weights will typically be 100 lbs or more, then it's unlikely that the heap will contain more than 30 items at any time.
The worst case would be if the passengers are presented in order from lowest weight to highest. That would require that every passenger be a...
Learning Python from Ruby; Differences and Similarities
... be arbitrarily big. Because of this, Ruby code is typically written in a more functional style than Python code. For example, to loop over a list in Ruby, you typically do
collection.each do |value|
...
end
The block works very much like a function being passed to collection.each. If you we...
Is there a way to call a stored procedure with Dapper?
...commandType: CommandType.StoredProcedure).First();
If you want something more fancy, you can do:
var p = new DynamicParameters();
p.Add("@a", 11);
p.Add("@b", dbType: DbType.Int32, direction: ParameterDirection.Output);
p.Add("@c", dbType: DbType.Int32, direction: ParameterDirection.ReturnVal...