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“Debug only” code that should run only when “turned on”
...ode that only runs if the person debugging requests it. In C++, I used to do something similar to the following:
5 Answers...
How to use single storyboard uiviewcontroller for multiple subclass
...
great question - but unfortunately only a lame answer. I don't believe that it is currently possible to do what you propose because there are no initializers in UIStoryboard that allow overriding the view controller associated with the storyboard as defined in the object details in...
JavaScript hashmap equivalent
...in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(obj1)] = obj1;
dict[key(obj2)] = obj2;
This way you can con...
How do I remove a file from the FileList
... to contains a note:
The HTMLInputElement interface
[HTML5] has a readonly FileList
attribute, […]
[emphasis mine]
Reading a bit of the HTML 5 Working Draft, I came across the Common input element APIs. It appears you can delete the entire file list by setting the value property of the...
Should I return a Collection or a Stream?
...eam, since there may not be any value in materializing it all at once, and doing so could create significant heap pressure.
If all the caller is going to do is iterate through it (search, filter, aggregate), you should prefer Stream, since Stream has these built-in already and there's no need to mat...
Why doesn't Objective-C support private methods?
... strategies for declaring semi-private methods in Objective-C , but there does not seem to be a way to make a truly private method. I accept that. But, why is this so? Every explanation I've essentially says, "you can't do it, but here's a close approximation."
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How to create a remote Git repository from a local one?
...y. I would like to make it available on a remote, ssh-enabled, server. How do I do this?
8 Answers
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What size do you use for varchar(MAX) in your parameter declaration?
I normally set my column size when creating a parameter in ADO.NET
5 Answers
5
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Use cases for the 'setdefault' dict method
...t to make sure that specific keys exist after creating a dict. defaultdict doesn't work in this case, because it only creates keys on explicit access. Think you use something HTTP-ish with many headers -- some are optional, but you want defaults for them:
headers = parse_headers( msg ) # parse the ...
Cleaning `Inf` values from an R dataframe
...
Option 1
Use the fact that a data.frame is a list of columns, then use do.call to recreate a data.frame.
do.call(data.frame,lapply(DT, function(x) replace(x, is.infinite(x),NA)))
Option 2 -- data.table
You could use data.table and set. This avoids some internal copying.
DT <- data.table(...