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How do I make a transparent canvas in html5?
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198
Canvases are transparent by default.
Try setting a page background image, and then put a canv...
How to read/write a boolean when implementing the Parcelable interface?
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12 Answers
12
Active
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Best way to find the intersection of multiple sets?
... use multiple arguments to set.intersection(), like
u = set.intersection(s1, s2, s3)
If the sets are in a list, this translates to:
u = set.intersection(*setlist)
where *a_list is list expansion
Note that set.intersection is not a static method, but this uses the functional notation to apply ...
How do I set the rounded corner radius of a color drawable using xml?
...th a white background, black border and rounded corners:
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#ffffffff"/>
<stroke android:width="3dp"
android:color...
Get a filtered list of files in a directory
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14 Answers
14
Active
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Getting result of dynamic SQL into a variable for sql-server
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DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt int OUTPUT', @...
Appending to an empty DataFrame in Pandas?
...ata = pd.DataFrame({"A": range(3)})
>>> df.append(data)
A
0 0
1 1
2 2
But the append doesn't happen in-place, so you'll have to store the output if you want it:
>>> df
Empty DataFrame
Columns: []
Index: []
>>> df = df.append(data)
>>> df
A
0 0
1 1
2 ...
Making a Location object in Android with latitude and longitude values
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313
Assuming that you already have a location object with you current location.
Location targetLoc...
How do I Convert DateTime.now to UTC in Ruby?
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156
d = DateTime.now.utc
Oops!
That seems to work in Rails, but not vanilla Ruby (and of course ...
Multiple inputs with same name through POST in php
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answered Oct 24 '11 at 19:13
EricEric
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