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Should functions return null or an empty object?

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Why can't strings be mutable in Java and .NET?

...ment, and use than mutable classes. They are less prone to error and are more secure. [...] "Immutable objects are simple. An immutable object can be in exactly one state, the state in which it was created. If you make sure that all constructors establish class invariants, then it is...
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Microsoft CDN for jQuery or Google CDN? [closed]

...unless you're on a very overloaded server internally, no CDN will give you more performance than local 100mb/1GB ethernet will. If you use a CDN for a strictly internal application you're hurting performance. Set your cache expiration headers correctly and ignore CDNs exist in the intranet-only sc...
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List comprehension: Returning two (or more) items for each item

Is it possible to return 2 (or more) items for each item in a list comprehension? 6 Answers ...
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Keep file in a Git repo, but don't track changes

... --skip-worktree is indeed the better option. More information: stackoverflow.com/questions/13630849/… – Customizer Nov 30 '16 at 12:55 ...
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Tools for JPEG optimization? [closed]

...progressive, but that might cause compatibility problems (does anyone know more about that?) share | improve this answer | follow | ...
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How is Python's List Implemented?

... There are far more structures than just linked list and array, timing is of no practical use for deciding between them. – Ross Hemsley Jul 1 '14 at 6:24 ...
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How can I print a circular structure in a JSON-like format?

...on() { return 'whatever you think that is right'; }; (if you want anything more generic/specific, just try anything in the prototype tree: HTMLDivElement implements HTMLElement implements Element implements Node implements EventTarget; note: this may be browser-dependent, the previous tree is true f...
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Convert integer to hexadecimal and back again

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The “unexpected ++” error in jslint [duplicate]

...tricky, too cryptic. So, as a matter of discipline, I don’t use them any more. – Nope Mar 28 '13 at 9:56 5 ...