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What is the difference between == and Equals() for primitives in C#?
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Detailed answer:
Primitives types override the base object.Equals(object) and return true if the boxed object is of the same type and value. (Note that it will also work for nullable types; non-null nullable types always box to an instance of the underlying type.)
Since newAge is a short, its Equal...
Detecting an undefined object property
...ined`");
}
To check if an object does not actually have such a property, and will therefore return undefined by default when you try and access it:
if(!o.hasOwnProperty('myProperty')) {
alert("myProperty does not exist");
}
To check if the value associated with an identifier is the special va...
Why would one omit the close tag?
...of the file. The header problem seems irrelevant in the following context (and this is the only good argument so far):
14 ...
Visually managing MongoDB documents and collections [closed]
I'm using MongoDB in a reporting system and have to delete a whole bunch of test documents. While I don't have too much trouble using the JSON-based command-line tools, it gets extremely tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt...
Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...T 22.6.0 ONLY, THESE BUGS SUBSEQUENTLY FIXED IN FOLLOWING BUILDS
Download and install new ADT v22.6.1 from here (zip) or use SDK manager to update
Seems like some bug from Google side, this problem found after "ADT 22.6" update. Widely reported on "Android Open Source Project - Issue Tracker" and ...
Why hasn't functional programming taken over yet?
...programs; No side effects
Real-world programs are all about side effects and mutation. When the user presses a button it's because they want something to happen. When they type in something, they want that state to replace whatever state used to be there. When Jane Smith in accounting gets married...
For-each over an array in JavaScript
...-of loop (ES2015+ only),
Array#forEach (spec | MDN) (or its relatives some and such) (ES5+ only),
a simple old-fashioned for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semantics for looping through arrays and array-like objects. I've s...
The point of test %eax %eax [duplicate]
I'm very very new to assembly language programming, and I'm currently trying to read the assembly language generated from a binary. I've run across
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Vim and Ctags tips and tricks [closed]
...alled Ctags (to help with C++ development) with my Vim (or rather gVim), and would like to find out your favorite commands, macros, shortcuts, tips that go along with it...
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What is declarative programming? [closed]
...n you write your code in such a way that it describes what you want to do, and not how you want to do it. It is left up to the compiler to figure out the how.
Examples of declarative programming languages are SQL and Prolog.
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