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How to copy an object in Objective-C

...lways, it's not what you want. Objects have internal state, other objects, etc, and often make assumptions that they're the only ones holding references to that data. Bitwise copies break this assumption. A deep, logical copy. In this, we make a copy of the object, but without actually doing it bit ...
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Why shouldn't I use “Hungarian Notation”?

... be much safer to create distinct types (eg. structs) for lengths, weights etc. and use operator overloading to ensure that only valid operations are possible. – JacquesB Jul 3 '14 at 13:55 ...
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What is the difference between HTML tags and ?

...cument, while spans should be used to wrap small portions of text, images, etc. For example: <div>This a large main division, with <span>a small bit</span> of spanned text!</div> Note that it is illegal to place a block-level element within an inline element, so: <div...
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When to use static vs instantiated classes

...cally use objects when working with unique things like a photo, user, post etc and use static when its meant for general things? – Robert Rocha Apr 2 '16 at 21:29 1 ...
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Run command on the Ansible host

...at it does not make sense to delegate all tasks, debug, add_host, include, etc always get executed on the controller. Using this with the ‘serial’ keyword to control the number of hosts executing at one time is also a good idea: --- - hosts: webservers serial: 5 tasks: - name: take out...
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Is there a max array length limit in C++?

...echniques might help you, such as sparse matrices, on the fly compression, etc... Again this is highly application dependent. If you edit your post to give some more information as to what is actually in your arrays, you might get more useful answers. Edit: Given a bit more information on your exa...
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How can I configure the font size for the tree item in the package explorer in Eclipse?

... Brilliant! Removing that line makes the text in the Project/Package, etc. views significantly larger, which helps quite a bit on 2550 x 1600 monitors. – Brent Faust Mar 2 '13 at 22:33 ...
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Is there a goto statement in Java?

...code that used the word goto as an identifier (variable name, method name, etc...) would break. But because goto is a keyword, such code will not even compile in the present, and it remains possible to make it actually do something later on, without breaking existing code. ...
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What's “tools:context” in Android layout files?

...ng (which at runtime happens in the other direction; an activity can call setContentView(layout) to display a layout) in order to drive certain features. Right now, we're using it for one thing only: Picking the right theme to show for a layout (since the manifest file can register themes to use fo...
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What is the best Distributed Brute Force countermeasure?

...l password equivalents before saving them, never using security questions, etc. Assumptions about the attack scenario If an attacker is targeting variable usernames, our username throttling doesn't fire. If the attacker is using a botnet or has access to a large IP range, our IP throttling is pow...