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Assert an object is a specific type
Is it possible in JUnit to assert an object is an instance of a class? For various reasons I have an object in my test that I want to check the type of. Is it a type of Object1 or a type of Object2?
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How to duplicate object properties in another object?
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for(var k in firstObject) secondObject[k]=firstObject[k];
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How do you dismiss the keyboard when editing a UITextField
...essed the "Done" key on the keyboard. Is there a notification I can watch for?
22 Answers
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Callback functions in Java
...lass can be used as well.
public class Main {
public interface Visitor{
int doJob(int a, int b);
}
public static void main(String[] args) {
Visitor adder = new Visitor(){
public int doJob(int a, int b) {
return a + b;
}
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iphone Core Data Unresolved error while saving
I am getting a strange error message from the core data when trying to save
but the problem that the error is not reproducible ( it appears at different times when doing different tasks)
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Permanently add a directory to PYTHONPATH?
Whenever I use sys.path.append , the new directory will be added. However, once I close python, the list will revert to the previous (default?) values. How do I permanently add a directory to PYTHONPATH ?
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How to start new activity on button click
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String value = intent.getStringExtra("key"); //if it's a string you stored.
}
Don't forget to add your new activity in the AndroidManifest.xml:
<activity android:label="@string/app_name" android:name="NextActivity"/>
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In Javascript, how to conditionally add a member to an object?
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In pure Javascript, I cannot think of anything more idiomatic than your first code snippet.
If, however, using the jQuery library is not out of the question, then $.extend() should meet your requirements because, as the documentation says:
Undefined properties are not...
How can HTML5 “replace” Flash? [closed]
...e javascript code which manipulates the HTML and CSS dynamically.
Furthermore, HTML5 not only has the standard text elements, but also <canvas> on which 2d graphics can be drawn, and <video> elements which embeds the video (as the name suggests).
So, in a full-fledged implementation ...
How should I use git diff for long lines?
...tting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal allows you to scroll back) you might try explicitly setting GIT_PAGER to empty to stop it using a pager. Under Linux:
$ GIT_PAGER='' git diff
Without a pager, the lines will wrap.
If your termina...