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How can I check whether an array is null / empty?
I have an int array which has no elements and I'm trying to check whether it's empty.
13 Answers
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Update a record without first querying?
Lets say I query the database and load a list of items. Then I open one of the items in a detail view form, and instead of re-querying the item out of the database, I create an instance of the item from the datasource in the list.
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Getting the object's property name
I was wondering if there was any way in JavaScript to loop through an object like so.
13 Answers
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Exception NoClassDefFoundError for CacheProvider
I'm kind of new in Spring and hibernate so I'm trying to implement some simple web application based on Spring 3 + hibernate 4
while I start tomcat I have this exception:
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Commit changes to a different branch than the currently checked out branch with subversion
I've been working on code checked out from the development line and discovered that the changes made might be breaking changes and need to be moved to an experimental branch before committing to the main dev tree. However, I don't have the experimental branch checked out and I don't want to lose the...
SqlAlchemy - Filtering by Relationship Attribute
I don't have much experience with SQLAlchemy and I have a problem, which I can't solve. I tried searching and I tried a lot of code.
This is my Class (reduced to the most significant code):
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pandas resample documentation
So I completely understand how to use resample , but the documentation does not do a good job explaining the options.
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When and why would you seal a class?
In C# and C++/CLI the keyword sealed (or NotInheritable in VB) is used to protect a class from any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stop...
What does the X-SourceFiles header do?
Using a FileStreamResult in ASP.NET MVC 3, I get a response header like
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