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Linking R and Julia?
...("sqrt", 2)
julia_eval("sqrt")(2)
As you can see, you could send command strings and call Julia functions really easily.
And there are also some R packages wrapping Julia packages using JuliaCall, for example,
convexjlr for Disciplined Convex Programming in R using Convex.jl, which is also on ...
Finding all objects that have a given property inside a collection [duplicate]
...
Please note that when comparing strings, you must use the .equals method, otherwise you are comparing memory reference locations, refer to: stackoverflow.com/questions/767372/java-string-equals-versus
– user785262
Jun ...
Unique fields that allow nulls in Django
...here is that the normalized "blank" value for a form CharField is an empty string, not None. So if you leave the field blank, you get an empty string, not NULL, stored in the DB. Empty strings are equal to empty strings for uniqueness checks, under both Django and database rules.
You can force the...
How to display multiple notifications in android
...intent will direct to different activity..
private void sendNotification(String message,String title,JSONObject extras) throws JSONException {
String id = extras.getString("actionParam");
Log.e("gcm","id = "+id);
Intent intent = new Intent(this, OrderDetailActivty.class);
intent.pu...
What is a domain specific language? Anybody using it? And in what way?
...directly into the language... when possible. The majority of languages use strings, usually loaded from external files.
Are there any particular advantages of using them? Using them for their intended purposes is very advantageous to the point you will turn to them without knowing, just like you ha...
What's the difference between an inverted index and a plain old index?
... two types denote directionality. One takes you forward through the index, and the other takes you backward (the inverse) through the index. That's it. There's no mystery to uncover here. Otherwise the two types are identical, it's just a question of what information you have, and as a result what ...
Getting the name of a variable as a string
This thread discusses how to get the name of a function as a string in Python:
How to get a function name as a string?
23 ...
Accessing Session Using ASP.NET Web API
...w):
WebApiConfig.cs
public static class WebApiConfig
{
public static string UrlPrefix { get { return "api"; } }
public static string UrlPrefixRelative { get { return "~/api"; } }
public static void Register(HttpConfiguration config)
{
config.Routes.MapHttpRoute(
...
PendingIntent does not send Intent extras
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Following code should work:-
int icon = R.drawable.icon;
String message = "hello";
long when = System.currentTimeMillis();
NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new Notific...
Why .NET String is immutable? [duplicate]
As we all know, String is immutable. What are the reasons for String being immutable and the introduction of StringBuilder class as mutable?
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