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How can I detect when the mouse leaves the window?
... leaves the window so I can stop events from firing while the user's mouse is elsewhere.
18 Answers
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How to disable HTML button using JavaScript?
I’ve read that you can disable (make physically unclickable) an HTML button simply by appending disable to its tag, but not as an attribute, as follows:
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Update relationships when saving changes of EF4 POCO objects
...a many to many relationship, lets say between BlogPost and Tag entities. This means that in my T4 generated POCO BlogPost class I have:
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Rule-of-Three becomes Rule-of-Five with C++11?
So, after watching this wonderful lecture on rvalue references, I thought that every class would benefit of such a "move constructor", template<class T> MyClass(T&& other) edit and of course a "move assignment operator", template<class T> MyClass& operator=(T&&...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...ses you would use indexes to improve the speed of data retrieval. An index is typically created on columns used in JOIN, WHERE, and ORDER BY clauses.
Imagine you have a table called users and you want to search for all the users which have the last name 'Smith'. Without an index, the database woul...
How to convert strings into integers in Python?
I have a tuple of tuples from a MySQL query like this:
15 Answers
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Why does integer division in C# return an integer and not a float?
Does anyone know why integer division in C# returns an integer and not a float?
What is the idea behind it? (Is it only a legacy of C/C++?)
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Guaranteed lifetime of temporary in C++?
Does C++ provide a guarantee for the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class:
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Is volatile expensive?
...see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
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REST response code for invalid data
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400 is the best choice in both cases. If you want to further clarify the error you can either change the Reason Phrase or include a body to explain the error.
412 - Precondition failed is used for conditional requests when usin...