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Callback functions in Java
...l interface A -> B such as:
import java.util.function.Function;
public MyClass {
public static String applyFunction(String name, Function<String,String> function){
return function.apply(name);
}
}
then you can call it like so
MyClass.applyFunction("42", str -> "the answ...
iphone Core Data Unresolved error while saving
...
This solved it for me. Also note that at least in my experience even though it wasn't saved to the sqlite file, the changes did make its way into the context. So the behavior may be erratic when this happens.
– nickthedude
Feb 27 '13 at...
How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
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I just add the following in App_Start / WebApiConfig.cs class in my MVC Web API project.
config.Formatters.JsonFormatter.SupportedMediaTypes
.Add(new MediaTypeHeaderValue("text/html") );
That makes sure you get JSON on most queries, but you can get XML when you send text/xml.
If yo...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...for me, but then I ran into multiple namespaces and namespace aliases. See my answer for another approach that handles these cases.
– nonagon
Sep 18 '14 at 19:38
47
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What is the best way to find the users home directory in Java?
...a JNI or JNA. SHGetFolderPath allows you to retrieve special folders, like My Documents (CSIDL_PERSONAL) or Local Settings\Application Data (CSIDL_LOCAL_APPDATA).
Sample JNA code:
public class PrintAppDataDir {
public static void main(String[] args) {
if (com.sun.jna.Platform.isWindow...
CSS technique for a horizontal line with words in the middle
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This is my favourite solution. It works on OSX too and some of the others dont. If you use this solution remember to set the background of the span to the same color as the background of your page, it will be especially obvious wha...
Iterating over every two elements in a list
... function, and drop the import.
All credit to martineau for his answer to my question, I have found this to be very efficient as it only iterates once over the list and does not create any unnecessary lists in the process.
N.B: This should not be confused with the pairwise recipe in Python's own ...
Using LINQ to remove elements from a List
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My apologies. You are 100% correct. Unfortunately, I can't seem to reverse my downvote. Sorry about that.
– Shai Cohen
Apr 4 '14 at 21:16
...
Inner class within Interface
... a tiny example that looks like what I've seen but once again: this wasn't my code and I'm not using that construct so I'm not the most qualified to come up with valid examples :) IIRC the class inside was always named, for example StateChecker and calls would always look like: A.StateChecker.check(...
How do I tell if a regular file does not exist in Bash?
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@0x90 If you want, you are free to edit my post and add it to the list. I guess you mean: -n String - Check if the length of the string isn't zero. Or do you mean file1 -nt file2 - Check if file1 is newer then file 2 (you can also use -ot for older then)
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