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Why can't I forward-declare a class in a namespace using double colons?
Why do I have to do this?:
5 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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Sending event when AngularJS finished loading
...ay to detect the finish of page loading/bootstrapping, when all directives done compiling/linking.
12 Answers
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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...
Separate Back Stack for each tab in Android using Fragments
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The framework won't currently do this for you automatically. You will need to build and manage your own back stacks for each tab.
To be honest, this seems like a really questionable thing to do. I can't imagine it resulting in a decent UI -- if the bac...
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
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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(...
How do CUDA blocks/warps/threads map onto CUDA cores?
I have been using CUDA for a few weeks, but I have some doubts about the allocation of blocks/warps/thread.
I am studying the architecture from a didactic point of view (university project), so reaching peak performance is not my concern.
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JavaScript and Threads
Is there some way to do multi-threading in JavaScript?
13 Answers
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Catch a thread's exception in the caller thread in Python
... as you make sure that run() completes right after the exception (which it does in this simple example). Then you simply re-raise the exception after (or during) t.join(). There are no synchronization problems because join() makes sure the thread has completed. See answer by Rok Strniša below stack...