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When to use CouchDB over MongoDB and vice versa
...the link,
MongoDB: If you need dynamic queries. If you prefer to define indexes, not map/reduce functions. If you need good performance on a big DB. If you wanted CouchDB, but your data changes too much, filling up disks.
CouchDB : For accumulating, occasionally changing data, on which pre-define...
Move an item inside a list?
In Python, how do I move an item to a definite index in a list?
5 Answers
5
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How to replace part of string by position?
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ReplaceAt(int index, int length, string replace)
Here's an extension method that doesn't use StringBuilder or Substring. This method also allows the replacement string to extend past the length of the source string.
//// str - the source ...
How to get the selected index of a RadioGroup in Android
Is there an easy way to get the selected index of a RadioGroup in Android or do I have to use OnCheckedChangeListener to listen for changes and have something that holds the last index selected?
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What does jquery $ actually return?
...er the wrapped set like an
array or access individual elements
via the indexer ($(sel)[0] for
example). More importantly, you can
also apply jQuery functions against
all the selected elements.
About returning nothing:
Does it always return an array? Does it return null?
You always ...
Set “Homepage” in Asp.Net MVC
...page" (ie the route that displays when hitting www.foo.com) is set to Home/Index .
8 Answers
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How do I call setattr() on the current module?
...ey're in a tight vector of values, and each local variable access uses the index in that vector, not a name lookup. To defeat the optimization, forcing the dict you desire to exist, start the function with exec '': time a function with a couple substantial loops each way, and you'll see the importan...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
Should I define a separate index on the email column (for searching purposes), or is the index is "automatically" added along with UNIQ_EMAIL_USER constraint?
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Why are arrays of references illegal?
...y the same way as I'd want to use my array of refs - except that you can't index into the 16 foo references. This is a language wart IMHO.
– greggo
Nov 10 '11 at 23:48
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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