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How can I add a box-shadow on one side of an element?
...the inner element with box-shadow into an outer one with padding-right and overflow:hidden; so the three other sides of the shadow are not visible.
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How/when to use ng-click to call a route?
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Routes monitor the $location service and respond to changes in URL (typically through the hash). To "activate" a route, you simply change the URL. The easiest way to do that is with anchor tags.
<a href="#/home">Go Home</a>
<a href="#/about">G...
What is process.env.PORT in Node.js?
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In many environments (e.g. Heroku), and as a convention, you can set the environment variable PORT to tell your web server what port to listen on.
So process.env.PORT || 3000 means: whatever is in the environment variable PORT, or 3000 if there's nothing there...
Print number of keys in Redis
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You can issue the INFO command, which returns information and statistics about the server. See here for an example output.
As mentioned in the comments by mVChr, you can use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version...
How can I programmatically generate keypress events in C#?
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The question is tagged WPF but the answers so far are specific WinForms and Win32.
To do this in WPF, simply construct a KeyEventArgs and call RaiseEvent on the target. For example, to send an Insert key KeyDown event to the currently focused element:
var key = Key.Insert; // ...
Skip rows during csv import pandas
I'm trying to import a .csv file using pandas.read_csv() , however I don't want to import the 2nd row of the data file (the row with index = 1 for 0-indexing).
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How do I get the path of a process in Unix / Linux
...symlink /proc/<pid>/exe has the path of the executable. Use the command readlink -f /proc/<pid>/exe to get the value.
On AIX, this file does not exist. You could compare cksum <actual path to binary> and cksum /proc/<pid>/object/a.out.
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What is the advantage of using forwarding references in range-based for loops?
...dvantage I can see is when the sequence iterator returns a proxy reference and you need to operate on that reference in a non-const way. For example consider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compi...
How do I include related model fields using Django Rest Framework?
...ed the answer to explain why depth wouldn't do what you need in this case, and to explain the exception you're seeing and how to deal with it.
– Tom Christie
Jan 29 '13 at 13:20
1
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Calculating Distance between two Latitude and Longitude GeoCoordinates
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The GeoCoordinate class (.NET Framework 4 and higher) already has GetDistanceTo method.
var sCoord = new GeoCoordinate(sLatitude, sLongitude);
var eCoord = new GeoCoordinate(eLatitude, eLongitude);
return sCoord.GetDistanceTo(eCoord);
The distance is in meters.
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