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Android - Launcher Icon Size
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@android developer, you can select "Legacy only" as the icon type if you want to generate icons without specifying the background layer. If you choose "Adaptive and Legacy", the legacy icons will be generated by merging the foreground and background lay...
pandas dataframe columns scaling with sklearn
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@RajeshThevar The outer brackets are pandas' typical selector brackets, telling pandas to select a column from the dataframe. The inner brackets indicate a list. You're passing a list to the pandas selector. If you just use single brackets - with one column name followed by ...
How to connect to SQL Server database from JavaScript in the browser?
...onnectionstring);
var rs = new ActiveXObject("ADODB.Recordset");
rs.Open("SELECT * FROM table", connection);
rs.MoveFirst
while(!rs.eof)
{
document.write(rs.fields(1));
rs.movenext;
}
rs.close;
connection.close;
A better way to connect to a sql server would be to use some server side lang...
What's the difference between OpenID and OAuth?
... service. However, since OAuth does not support discovery, it requires pre-selecting and hard-coding the providers you decide to use. A user visiting your site cannot use any identifier, only those pre-selected by you. Also, OAuth does not have a concept of identity so using it for login means eithe...
How to add a new audio (not mixing) into a video using ffmpeg?
...:a -c:v copy -shortest output.mp4
The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info.
This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the process is fast.
If your input audio f...
Why doesn't Dictionary have AddRange?
...ined =
dict1.Union(dict2)
.GroupBy(kvp => kvp.Key)
.Select(grp => grp.First())
.ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
The main trick when combining dictionaries is dealing with the duplicate keys. In the code above it's the part .Select(grp => g...
Android gradle: buildtoolsVersion vs compileSdkVersion
...n? I remember that I read somewhere that the latest build tools version is selected automatically. I tried removing buildToolsVersion, but Android Studio is not happy with it.
– Hong
Apr 25 '15 at 1:39
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Why does integer division in C# return an integer and not a float?
...ation of the form x / y, binary operator overload resolution is applied to select a specific operator implementation. The operands are converted to the parameter types of the selected operator, and the type of the result is the return type of the operator.
The predefined division operators are ...
LINQ Ring: Any() vs Contains() for Huge Collections
... result = context.Projects.Where(x => lstBizIds.Contains(x.businessId)).Select(x => x.projectId).ToList();
This will give the query
SELECT Id
FROM Projects
INNER JOIN (VALUES (1), (2), (3), (4), (5)) AS Data(Item) ON Projects.UserId = Data.Item
while Any() on the other hand always iterate t...
AngularJS - how to get an ngRepeat filtered result reference
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Check this answer:
Selecting and accessing items in ng-repeat
<li ng-repeat="item in ..." ng-click="select_item(item)">
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