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How to set the width of a cell in a UITableView in grouped style
...w controller may adjust table view frame further after -viewWillAppear: is called. Of course, you can subclass and override -setFrame: for your UITableView just like what I do here for UITableViewCells. However, subclassing UITableViewCells is a much common, light, and Apple way.
Secondly, if your ...
mongo group query how to keep fields
... are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting algorithms are more complex than O(n). I wish there would be better ways in MongoDB.
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html5 - canvas element - Multiple layers
...ver, for zero lengths the unit identifier is optional (i.e. can be syntactically represented as the <number> 0)." w3.org/TR/css3-values/#lengths
– xehpuk
Feb 18 '16 at 23:00
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ActiveRecord: size vs count
...ll 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 co...
WaitAll vs WhenAll
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While JonSkeet's answer explains the difference in a typically excellent way there is another difference: exception handling.
Task.WaitAll throws an AggregateException when any of the tasks throws and you can examine all thrown exceptions. The await in await Task.WhenAll unwraps t...
jQuery .on('change', function() {} not triggering for dynamically created inputs
The problem is that I have some dynamically created sets of input tags and I also have a function that is meant to trigger any time an input value is changed.
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How to get a resource id with a known resource name?
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i need that integer value by passing resourcename dynamically
– Aswan
Aug 13 '10 at 11:48
Thankq li...
How to overlay one div over another div
...g it to be smaller, my info image is not staying with it's parent div. Basically want it to move with the parent div and stay pretty much at the same position even though the screen has been resized somewhat.
– tonyf
May 31 '10 at 4:24
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Show Image View from file path?
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Martin the method being called on the java.io.File getAbsolutePath() is returning the string.
– JJ_Coder4Hire
Mar 21 '14 at 20:45
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Twitter API returns error 215, Bad Authentication Data
I am trying to call following Twitter's API to get a list of followers for a user.
15 Answers
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