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Best way to parseDouble with comma as decimal separator?
...= new DecimalFormatSymbols();
symbols.setDecimalSeparator(',');
symbols.setGroupingSeparator(' ');
df.setDecimalFormatSymbols(symbols);
df.parse(p);
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How can I count occurrences with groupBy?
I want to collect the items in a stream into a map which groups equal objects together, and maps to the number of occurrences.
...
getting the screen density programmatically in android?
...ude it. From the android docs: "This is not considered a "primary" density group. It is mostly intended for televisions and most apps shouldn't need it".
– qwertzguy
May 21 '14 at 10:23
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App.Config Transformation for projects which are not Web Projects in Visual Studio?
...iguration-specific files dependant on the main App.config so Visual Studio groups them like it does designer and code-behind files.
Replace XML above with the one below:
<Content Include="App.config" />
<Content Include="App.Debug.config" >
<DependentUpon>App.config</Depende...
What is the difference between supervised learning and unsupervised learning? [closed]
..."invent" what a face is, but it can try to cluster the data into different groups, e.g. it can distinguish that faces are very different from landscapes, which are very different from horses.
Since another answer mentions it (though, in an incorrect way): there are "intermediate" forms of supervisi...
get list of pandas dataframe columns based on data type
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If you want a list of columns of a certain type, you can use groupby:
>>> df = pd.DataFrame([[1, 2.3456, 'c', 'd', 78]], columns=list("ABCDE"))
>>> df
A B C D E
0 1 2.3456 c d 78
[1 rows x 5 columns]
>>> df.dtypes
A int64
B float64...
HTML table with 100% width, with vertical scroll inside tbody [duplicate]
...tal scroll */
}
Web browsers display the thead and tbody elements as row-group (table-header-group and table-row-group) by default.
Once we change that, the inside tr elements doesn't fill the entire space of their container.
In order to fix that, we have to calculate the width of tbody columns ...
How to change the blue highlight color of a UITableViewCell?
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@kirk, you mean grouped :)
– Tieme
Dec 18 '12 at 14:15
@Tie...
Why does NULL = NULL evaluate to false in SQL server
...ee, it is a good idea to avoid NULLs in UNIQUE
constraints.
Discussing GROUP BY:
NULLs are treated as if they were all equal to each other, and
form their own group. Each group is then reduced to a single
row in a new result table that replaces the old one.
This means that for GROUP BY...
Scala framework for a Rest API Server? [closed]
... his message and there are a few other posts in the thread about memcache: groups.google.com/group/scala-base/msg/4b11cbd357bfecf0
– pr1001
Sep 10 '10 at 10:49
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