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Stop/Close webcam which is opened by navigator.getUserMedia
... opened a webcam by using the following JavaScript code: navigator.getUserMedia
16 Answers
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Selecting a row of pandas series/dataframe by integer index
...rt only label indexing
e.g. imagine this scenario
In [1]: df = pd.DataFrame(np.random.rand(5,2),index=range(0,10,2),columns=list('AB'))
In [2]: df
Out[2]:
A B
0 1.068932 -0.794307
2 -0.470056 1.192211
4 -0.284561 0.756029
6 1.037563 -0.267820
8 -0.538478 -0.800654
In [5]: ...
Access multiple elements of list knowing their index
I need to choose some elements from the given list, knowing their index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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Python datetime to string without microsecond component
I'm adding UTC time strings to Bitbucket API responses that currently only contain Amsterdam (!) time strings. For consistency with the UTC time strings returned elsewhere, the desired format is 2011-11-03 11:07:04 (followed by +00:00 , but that's not germane).
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Getting the last revision number in SVN?
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Thanks! I used --xml to build my own C# tool that helps me in generating an AssemblyFileVersion attribute. PS: English is not my primary language and I got puzzled by the word 'thusly' I had never heard before. Btw, its origin is rather funny: cf (en.wiktionary.org/wiki/thusly); d...
Why historically do people use 255 not 256 for database field magnitudes?
...de of 255 characters, what is the traditional / historic reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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How to add a new row to datagridview programmatically
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You cannot directly reference a column by name as you did: row.Cells["Column2"].Value = "XYZ"; ... You have to look up the index first: row.Cells[yourDataGridView.Columns["Column2"].Index].Value = "XYZ";
– Tizz
Dec 3 '12 at 19:55
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How do I programmatically get the GUID of an application in .net2.0
...ed on a GuidAttribute instance attached to the Assembly
using System.Runtime.InteropServices;
static void Main(string[] args)
{
var assembly = typeof(Program).Assembly;
var attribute = (GuidAttribute)assembly.GetCustomAttributes(typeof(GuidAttribute),true)[0];
var id = attribute.Value;...
How to generate random number with the specific length in python
Let say I need a 3 digit number, so it would be something like:
8 Answers
8
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