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How do I use Linq to obtain a unique list of properties from a list of objects?
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IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
... 0.0 NaN 0.0
3 0.0 1.0 2.0 3.0
4 NaN 0.0 NaN NaN
If you want to select the rows that have two or more columns with null value, you run the following:
>>> qty_of_nuls = 2
>>> df.iloc[df[(df.isnull().sum(axis=1) >=qty_of_nuls)].index]
0 1 2 3
1 0.0 NaN 0...
Removing fields from struct or hiding them in JSON Response
...ending back to the caller. I'd now like to allow the caller to be able to select the specific fields they would like returned by passing in a "fields" GET parameter.
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Is it possible to apply CSS to half of a character?
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overflow: hidden;
pointer-events: none; /* so the base char is selectable by mouse */
color: #f00; /* for demo purposes */
text-shadow: 2px -2px 0px #af0; /* for demo purposes */
}
.halfStyle:after { /* creates the right part */
display: block;
direction: rtl; /* ...
Selecting data frame rows based on partial string match in a column
I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like:
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Android: disabling highlight on listView click
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Add this to your xml:
android:listSelector="@android:color/transparent"
And for the problem this may work (I'm not sure and I don't know if there are better solutions):
You could apply a ColorStateList to your TextView.
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Displaying files (e.g. images) stored in Google Drive on a website
...kit, the following worked for me:
1 Make a folder called e.g. "public"
2 Select that folder, right click and Share > Share. Click. Select "Anyone can access"
3 Drag and Drop a file into the folder, and let it upload.
4 Right click on the file and select Details. One of the lines in the Detail...
Android studio add external project to build.gradle
...ick module -> Open Module Settings -> Dependencies -> + (bottom), select Module Dependency, select your library from the list, click ok :)
– T.Coutlakis
Jan 11 '15 at 22:51
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Is there any simple way to find out unused strings in Android project?
...ed Resources....
Click Preview to see what the unused resources are and selectively remove them.
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How do you check if a certain index exists in a table?
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You can do it using a straight forward select like this:
SELECT *
FROM sys.indexes
WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName')
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