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Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
...ess1.chunk(4)
pipe process1.fold(0L) {
(c, vs) => c + vs.map(_._1.length.toLong).sum
}).runLast.run
This should work with any value for the n parameter (provided you're willing to wait long enough) -- I tested with 2^14 32MiB arrays (i.e., a total of half a TiB of memory allocated ...
ActiveRecord: size vs count
...l valid.
You'll adapt the function you use depending on your needs.
Basically:
if you already load all entries, say User.all, then you should use length to avoid another db query
if you haven't anything loaded, use count to make a count query on your db
if you don't want to bother with these con...
Interface/enum listing standard mime-type constants
...mons, jax, jboss, javax) for an interface or enum that lists the values of all the standard mime-type (aka content-type).
1...
How to convert string representation of list to a list?
... ast
>>> x = u'[ "A","B","C" , " D"]'
>>> x = ast.literal_eval(x)
>>> x
['A', 'B', 'C', ' D']
>>> x = [n.strip() for n in x]
>>> x
['A', 'B', 'C', 'D']
ast.literal_eval:
With ast.literal_eval, you can safely evaluate an expression node or a string c...
Why doesn't indexOf work on an array IE8?
...
Yes, probably because he didn't include jQuery ¯_(ツ)_/¯ It is valid syntax.
– user9016207
Feb 25 '18 at 16:05
...
Is Dvorak typing appropriate for programming? [closed]
...
There are Dvorak layouts specifically for programming: http://www.kaufmann.no/roland/dvorak/
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Having Django serve downloadable files
..._str(file_name)
response['X-Sendfile'] = smart_str(path_to_file)
# It's usually a good idea to set the 'Content-Length' header too.
# You can also set any other required headers: Cache-Control, etc.
return response
Of course, this will only work if you have control over your server, or your hostin...
Where am I wrong about my project and these Javascript Frameworks?
... Which of the frameworks you've tried have you taken for a spin?
Personally, I got into ExtJS development because the projects I work on require a lot of customization of controls/widgets. ExtJS has a ton of them right out of the box and can always be extended, combined, or munged into whatever...
How do I find the length of an array?
... there, it won't work, right? The question is why
– A_Matar
Feb 6 '15 at 18:55
5
@A_Matar - You c...
How to set size for local image using knitr for markdown?
... using this function is that it is portable in the sense that it works for all document formats that knitr supports, so you do not need to think if you have to use, for example, LaTeX or Markdown syntax, to embed an external image. Chunk options related to graphics output that work for normal R plot...