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What is a NullReferenceException, and how do I fix it?
I have some code and when it executes, it throws a NullReferenceException , saying:
28 Answers
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Why are only a few video games written in Java? [closed]
Why aren't many commercial, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collecti...
std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
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What do all of Scala's symbolic operators mean?
Scala syntax has a lot of symbols. Since these kinds of names are difficult to find using search engines, a comprehensive list of them would be helpful.
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Sort points in clockwise order?
Given an array of x,y points, how do I sort the points of this array in clockwise order (around their overall average center point)? My goal is to pass the points to a line-creation function to end up with something looking rather "solid", as convex as possible with no lines intersecting.
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Why is my Git Submodule HEAD detached from master?
I am using Git submodules. After pulling changes from server, many times my submodule head gets detached from master branch.
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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
When writing an Angular directive, one can use any of the following functions to manipulate the DOM behaviour, contents and look of the element on which the directive is declared:
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Iterator Loop vs index loop [duplicate]
I'm reviewing my knowledge on C++ and I've stumbled upon iterators. One thing I want to know is what makes them so special and I want to know why this:
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How do I prevent site scraping? [closed]
...ution, timezone, installed fonts, etc; you can use this to identify users.
HTTP headers and their order, especially User-Agent.
As an example, if you get many request from a single IP address, all using the same User Agent, screen size (determined with JavaScript), and the user (scraper in this ca...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
I need to create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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