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AngularJS - difference between pristine/dirty and touched/untouched

AngularJS Developer Guide - Forms tell there are many styles and directives regarding forms and fields. For each one, a CSS class: ...
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How to avoid “if” chains?

... You can use an && (logic AND): if (executeStepA() && executeStepB() && executeStepC()){ ... } executeThisFunctionInAnyCase(); this will satisfy both of your requirements: executeStep<X>() should evaluate only if the pre...
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GridLayout and Row/Column Span Woe

The Android Developers Blog post introducing GridLayout shows this diagram of how spans impact automatic index allocation: ...
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Removing trailing newline character from fgets() input

I am trying to get some data from the user and send it to another function in gcc. The code is something like this. 13 Answ...
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How do I get the opposite (negation) of a Boolean in Python?

...answered Aug 11 '11 at 18:16 jtbandesjtbandes 101k3333 gold badges209209 silver badges237237 bronze badges ...
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)

I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially. ...
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Python __str__ and lists

...h object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this: ...
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Declaring a custom android UI element using XML

How do I declare an Android UI element using XML? 6 Answers 6 ...
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Any way to declare an array in-line?

... This is the rare instance where a code-only answer is totally acceptable, and in fact, maybe even preferable. – Max von Hippel Mar 8 at 23:25 ...
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Why isn't String.Empty a constant?

... which we can access from native. I found this information from this handy article at CodeProject. share | improve this answer | follow | ...