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How to check if a model has a certain column/attribute?
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A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
... so, then that's your problem! You need to to the "manual" install: http://www.java.com/en/download/manual.jsp
It's just a matter of having the correct match of 32-bit Eclipse/32-bit Java or 64-bit Eclipse/64-bit Java. Many 64-bit Windows have 32-bit browsers and the latter is the version of Java ...
How to perform runtime type checking in Dart?
...y to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/.
Here's an example:
class Foo { }
main() {
var foo = new Foo();
if (foo is Foo) {
print("it's a foo!");
}
}
...
Is there a difference between /\s/g and /\s+/g?
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Which HTML elements can receive focus?
...wed on elements that accept keyboard events or other user inputs.
http://www.w3schools.com/cssref/sel_focus.asp
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What is a coroutine?
...e coroutine:
launch{}
async{}
You can learn more from here :
https://www.kotlindevelopment.com/deep-dive-coroutines/
https://blog.mindorks.com/what-are-coroutines-in-kotlin-bf4fecd476e9
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In C++, what is a virtual base class?
...I found that solved all my doubts on this subject was this article: http://www.phpcompiler.org/articles/virtualinheritance.html
You really won't need to read anything else on the topic (unless you are a compiler writer) after reading that...
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How do you push a tag to a remote repository using Git?
...ags
Here are some resources for complete details on git tagging:
http://www.cubearticle.com/articles/more/git/git-tag
http://wptheming.com/2011/04/add-remove-github-tags
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Visual Studio support for new C / C++ standards?
...ry model standardised for C++0x. For example, the following papers:
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2669.htm
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2197.pdf
have his name on it. So I guess the inclusion on Windows of C++0x is assured as long as H. Sutter r...
What is the syntax to insert one list into another list in python?
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