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Iterate over model instance field names and values in template
... instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the value of that field in the second column.
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Useful example of a shutdown hook in Java?
...ying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
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Why is Class.newInstance() “evil”?
... IDEs allow you to find class usages - it helps during refactoring, if you and your IDE know what code is using class that you plan to change.
When you don't do an explicit usage of the constructor, but use Class.newInstance() instead, you risk not to find that usage during refactoring and this pro...
How to read the value of a private field from a different class in Java?
I have a poorly designed class in a 3rd-party JAR and I need to access one of its private fields. For example,
why should I need to choose private field is it necessary?
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Mockito: InvalidUseOfMatchersException
I have a command line tool that performs a DNS check. If the DNS check succeeds, the command proceeds with further tasks. I am trying to write unit tests for this using Mockito. Here's my code:
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How to keep a git branch in sync with master
...git checkout master
git merge mobiledevicesupport
git push origin master
and thats it.
the assumption here is that mobilexxx is a topic branch with work that isn't ready to go into your main branch yet. So only merge into master when mobiledevicesupport is in a good place
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How do I use shell variables in an awk script?
...ss external shell variables to an awk script, but I'm confused about ' and " .
7 Answers
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What is the difference between a static and a non-static initialization code block
...static from the initializer block, it then becomes an instance initializer and so int a is initialized at construction.
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
...n you try to delete on table BookCourses only the table itself is affected and not on the Courses
follow-up question: why do you have CourseID on table Category?
Maybe you should restructure your schema into this,
CREATE TABLE Categories
(
Code CHAR(4) NOT NULL PRIMARY KEY,
CategoryName VARC...
Bind TextBox on Enter-key press
The default databinding on TextBox is TwoWay and it commits the text to the property only when TextBox lost its focus.
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