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What are fail-safe & fail-fast Iterators in Java
There are two types of iterators in Java: fail-safe and fail-fast.
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Is there a way to reduce the size of the git folder?
...what you want. First of all, of course each time you commit/push the directory is going to get a little larger, since it has to store each of those additional commits.
However, probably you want git gc which will "cleanup unnecessary files and optimize the local repository" (manual page).
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How to make node.js require absolute? (instead of relative)
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It requires the file as if it were required from the main js file, so it works pretty well as long as your main js file is at the root of your project... and that's something I appreciate.
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Inverse dictionary lookup in Python
Is there any straightforward way of finding a key by knowing the value within a dictionary?
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What is the AppDelegate for and how do I know when to use it?
I'm just beginning to work on iPhone apps. How do I know when I should be putting stuff in AppDelegate versus a custom class? Is there a rule or any type of analogy with another programming language like Python or PHP that uses an AppDelegate like pattern?
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Why aren't pointers initialized with NULL by default?
... developer did not do it at the declaration point was he/she needed to perform some operation and then assign.
So now we have the situation that the compiler has added an extra instruction to the code that initializes the variable to NULL then later the developer code is added to do the correct ini...
Class does not implement its superclass's required members
So I updated to Xcode 6 beta 5 today and noticed I received errors in nearly all of my subclasses of Apple's classes.
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How to get scrollbar position with Javascript?
... a percentage of the total height of the track. Am I over-complicating it, or does JavaScript offer an easier solution than that? Any ideas code-wise?
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How to find serial number of Android device?
I need to use a unique ID for an Android app and I thought the serial number for the device would be a good candidate. How do I retrieve the serial number of an Android device in my app ?
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What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
What is the difference between CrudRepository and JpaRepository interfaces in Spring Data JPA ?
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