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How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...ork for IE < 9 ? I believe I've run into this feature as missing in IE7 and IE8, but did not actually test; instead I relied on developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Michael Paulukonis
Jun 19 '13 at 18:21
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JavaScript object: access variable property by name as string [duplicate]
...hink it might be worth explicitly pointing out prop must be of type string and or resolve to type string.
– prasanthv
Jun 24 '15 at 0:51
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Observer Design Pattern vs “Listeners”
...ous toolkits. Is there a difference between the concepts, or are Listeners and Observers really the same thing.
3 Answers
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Eclipse Autocomplete (percent sign, in Juno)
...k it is that you are looking for a certain completion based on the context and maybe prior usage and other variables (there are "5 Intelligent Code Completion Engines"). It is not only the bare usage statistics. So a value might change from 13% to 95% between some lines, depending what you did in be...
Do I need to manually close an ifstream?
...e before the end of a function you can always use a nested scope.
In the standard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file handle. It is held as a member so that when an ifstream object destructs, it also calls the d...
Proper usage of Java -D command-line parameters
... passing a -D parameter in Java, what is the proper way of writing the command-line and then accessing it from code?
3 Ans...
XPath - Selecting elements that equal a value
...s at least one text-node child with value 'qwerty'.
//*[text() = 'qwerty' and not(text()[2])]
The above selects every element in the document that has only one text-node child and its value is: 'qwerty'.
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Rails: Check output of path helper from console
... Rails console, you can call app.post_path. This will work in Rails ~= 2.3 and >= 3.1.0.
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XPath: How to check if an attribute exists?
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Short and sweet:
//*[@foo]
Of course you should use a more specific expression. But with [@attributeName] you get all nodes which have that attribute.
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How do you discover model attributes in Rails?
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In ActiveRecord 5 (and probably earlier) you can call Model.attribute_names.
– aceofbassgreg
Sep 22 '16 at 17:17
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