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Remove element by id
When removing an element with standard JavaScript, you must go to its parent first:
18 Answers
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“Keep Me Logged In” - the best approach
... uses sessions to store information about the user once they've logged in, and to maintain that information as they travel from page to page within the app. In this specific application, I'm storing the user_id , first_name and last_name of the person.
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How to change the background color of a UIButton while it's highlighted?
...hlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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Run batch file as a Windows service
...s batch file is running. I am hence forced to have this batch file running and not logout from the Windows server.
8 Answer...
What is a NullPointerException, and how do I fix it?
What are Null Pointer Exceptions ( java.lang.NullPointerException ) and what causes them?
12 Answers
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Should I use != or for not equal in T-SQL?
I have seen SQL that uses both != and <> for not equal . What is the preferred syntax and why?
14 Answers
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Hibernate lazy-load application design
I tend to use Hibernate in combination with Spring framework and it's declarative transaction demarcation capabilities (e.g., @Transactional ).
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Mongoose's find method with $or condition does not work properly
...ibe why this solution works with words? thanks
– Alexander Mills
Nov 22 '15 at 23:21
This looks like a solution to a r...
E11000 duplicate key error index in mongodb mongoose
...nt with the sparse index to filter these null values from the unique index and avoid the error.
unique indexes
Sparse indexes only contain entries for documents that have the indexed field, even if the index field contains a null value.
In other words, a sparse index is ok with multiple documents...
The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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