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Adding custom radio buttons in android
...awable like I stated within my answer. You would create two drawables. One for regular button style, and one for the pressed button style. I will update my answer with code for these drawables.
– Evan Bashir
Oct 3 '13 at 17:27
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How do I tidy up an HTML file's indentation in VI?
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It works for me. set ft=html<cr>set si<cr>gg=G<cr>. Formats this page quite well.
– Don Reba
May 2 '09 at 20:51
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Scatterplot with too many points
...Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regular old rectangular binning (image omitted), which is more like your traditional heatmap:
ggplot(df,...
There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
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I got this error because my collection of SelectListItems for the drop down list was null, which is the same problem you had I think.
– Jonathan Sewell
Nov 10 '11 at 12:34
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Python: using a recursive algorithm as a generator
... problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
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Applying a function to every row of a table using dplyr?
When working with plyr I often found it useful to use adply for scalar functions that I have to apply to each and every row.
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Initializing a static std::map in C++
...at C++ library would be "standard enough". Boost is the standard companion for the C++ coder.
– DevSolar
Jan 5 '12 at 13:04
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Build tree array from flat array in javascript
...n efficient solution if you use a map-lookup. If the parents always come before their children you can merge the two for-loops. It supports multiple roots. It gives an error on dangling branches, but can be modified to ignore them. It doesn't require a 3rd-party library. It's, as far as I can tell, ...
How to count certain elements in array?
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Very simple:
var count = 0;
for(var i = 0; i < array.length; ++i){
if(array[i] == 2)
count++;
}
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How to bind an enum to a combobox control in WPF?
...it from code by placing the following code in Window Loaded event handler, for example:
yourComboBox.ItemsSource = Enum.GetValues(typeof(EffectStyle)).Cast<EffectStyle>();
If you need to bind it in XAML you need to use ObjectDataProvider to create object available as binding source:
<Wi...