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Groovy Shell warning “Could not open/create prefs root node …”
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Dennis answer is correct. However I would like to explain the solution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\...
Single quotes vs. double quotes in C or C++
...ntify a single character, while double quotes create a string literal. 'a' is a single a character literal, while "a" is a string literal containing an 'a' and a null terminator (that is a 2 char array).
In C++ the type of a character literal is char, but note that in C, the type of a character lit...
When monkey patching an instance method, can you call the overridden method from the new implementat
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EDIT: It has been 9 years since I originally wrote this answer, and it deserves some cosmetic surgery to keep it current.
You can see the last version before the edit here.
You can’t call the overwritten method by name or keyword. That’s one of the many reasons why monk...
Learn C first before learning Objective-C [closed]
...spiring Apple developer, I want to get the opinions of the community if it is better to learn C first before moving into Objective-C and ultimately the Cocoa Framework?
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Does functional programming replace GoF design patterns?
...g F# and OCaml last year, I've read a huge number of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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Fastest method of screen capturing on Windows
..., but am unsure of how to capture the screen. The only method I'm aware of is to use GDI, but I'm curious whether there are other ways to go about this, and, if there are, which incurs the least overhead? Speed is a priority.
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Which is the best library for XML parsing in java [closed]
... to parse XML out of the box:
DOM Parser/Builder: The whole XML structure is loaded into memory and you can use the well known DOM methods to work with it. DOM also allows you to write to the document with Xslt transformations.
Example:
public static void parse() throws ParserConfigurationExceptio...
Git SSH error: “Connect to host: Bad file number”
I followed the git guide but I have this strange issue when trying to connect to github:
19 Answers
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What is the difference between the HashMap and Map objects in Java?
What is the difference between the following maps I create (in another question, people answered using them seemingly interchangeably and I'm wondering if/how they are different):
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What is the difference between match_parent and fill_parent?
...erties: match_parent and fill_parent . It seems that both are the same. Is there any difference between them?
17 Answers...