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Are duplicate keys allowed in the definition of binary search trees?
I'm trying to find the definition of a binary search tree and I keep finding different definitions everywhere.
12 Answers
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What is a C++ delegate?
...{
// Normal class/struct members
int operator()(double d) // Arbitrary return types and parameter list
{
return (int) d + 1;
}
};
// Use:
Functor f;
int i = f(3.14);
Option 2: lambda expressions (C++11 only)
// Syntax is roughly: [capture](parameter list) -> r...
How do I catch a numpy warning like it's an exception (not just for testing)?
...oject I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes it a warning instead of a normal exception.
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HTML5 Local Storage fallback solutions [closed]
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I use PersistJS (github repository), which handles client-side storage seamlessly and transparently to your code. You use a single API and get support for the following backends:
flash: Flash 8 persistent storage.
gears: Google Gears-based...
Python unittests in Jenkins?
How do you get Jenkins to execute python unittest cases?
Is it possible to JUnit style XML output from the builtin unittest package?
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback.
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Detect Browser Language in PHP
I use the following PHP script as index for my website.
12 Answers
12
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Tips for debugging .htaccess rewrite rules
Many posters have problems debugging their RewriteRule and RewriteCond statements within their .htaccess files. Most of these are using a shared hosting service and therefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot e...
Cast Object to Generic Type for returning
... a way to cast an object to return value of a method?
I tried this way but it gave a compile time exception in "instanceof" part:
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Environment variables for java installation
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Java SE Development Kit 8u112 on a 64-bit Windows 7 or Windows 8
Set the following user environment variables (== environment variables of type user variables)
JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112
JDK_HOME : %JAVA_HOME%
JRE_HOME : ...