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Finding Variable Type in JavaScript
...isArray or Object.prototype.toString.call to differentiate regular objects from arrays
typeof new Date() === 'object';
typeof new Boolean(true) === 'object'; // this is confusing. Don't use!
typeof new Number(1) === 'object'; // this is confusing. Don't use!
typeof new String("abc") === '...
Base constructor in C# - Which gets called first? [duplicate]
...can add new functionality to it). That's why the constructors are executed from the base to derived but destructors are executed in the opposite way - first the derived destructors and then base destructors.
(This is simplified but it should help you to answer this question in the future without t...
Creating an R dataframe row-by-row
...each world. Snapshot based file systems are a good example (which evolved from concepts such as union mounts, which also ply both sides).
If R Core wanted to do this, underlying vector storage could function like a union mount. One reference to the vector storage might be valid for subscripts 1...
Can someone explain Microsoft Unity?
...en and felt that was a good explaination with examples. Here is a snippet from the show notes:
The screencast shows several common usages of the Unity IoC, such as:
Creating Types Not In Container
Registering and Resolving TypeMappings
Registering and Resolving Named TypeMappings
Singletons, ...
What is the best way to clone/deep copy a .NET generic Dictionary?
...: That depends on what else is going on. If other threads are only reading from the original dictionary, then I believe it should be fine. If anything is modifying it, you'll need to lock in both that thread and the cloning thread, to avoid them happening at the same time. If you want thread safety ...
What does the PHP error message “Notice: Use of undefined constant” mean?
...
Another reason you might see this error message is if you leave off the $ from a variable, or $this-> from a member. Eg, either of the following would cause a similar error message:
my_local; // should be $my_local
my_member; // should be $this->my_member
Invalid character in variable ...
How to get current timestamp in milliseconds since 1970 just the way Java gets
... pretty similar to Oz.'s, using <chrono> for C++ -- I didn't grab it from Oz. though...
I picked up the original snippet at the bottom of this page, and slightly modified it to be a complete console app. I love using this lil' ol' thing. It's fantastic if you do a lot of scripting and need a ...
How to replace innerHTML of a div using jQuery?
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From the jQuery API documentation (api.jquery.com/text), text() is different as: Unlike the .html() method, .text() can be used in both XML and HTML documents.. Furthermore, according to stackoverflow.com/questions/1910794/...
Binding a Button's visibility to a bool value in ViewModel
... cranky personal taste rather than a sober assessment of the pros and cons from an engineering standpoint, but I avoid them.
– Robert Rossney
Aug 9 '11 at 18:43
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Capture Stored Procedure print output in .NET
Is it possible to capture print output from a T-SQL stored procedure in .NET?
3 Answers
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