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When should I use “this” in a class?
...od of another object. The third is as a way to call alternate constructors from within a constructor.
Case 1: Using this to disambiguate variable references. In Java setter methods, we commonly pass in an argument with the same name as the private member variable we are attempting to set. We then a...
How to pass a view's onClick event to its parent on Android?
...t whos background is a Selector. And the TextView's text is set to Spanned from HTML.
Then I set the TextView with the LinkMovementMethod.
...
Can media queries resize based on a div element instead of the screen?
...some way I may be able to use functions with media queries to get the size from a containing element. Is there some way I can combine this with media queries to resize elements?
– appshare.co
Sep 7 '12 at 15:31
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Is using a lot of static methods a bad thing?
...n many situations this isn't possible (e.g., regular class code generation from XSD/WSDL/etc), or it will make the class very long, and transformation methods can often be a real pain for complex objects and you just want them in their own separate class. So yeah, I have static methods in utility cl...
Get JSF managed bean by name in any Servlet related class
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@Marc: Has been in from the beginning. Was just a leftover from a copypaste mistake I guess. Answer has been corrected. Thank you for notifying.
– BalusC
Oct 8 '14 at 19:48
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Read only the first line of a file?
...d in the docs, unless it is the only line in the file, the string returned from f.readline() will contain a trailing newline. You may wish to use f.readline().strip() instead to remove the newline.
The with statement automatically closes the file again when the block ends.
The with statement only wo...
Get list of data-* attributes using javascript / jQuery
...jQuery's attempt at "deserializing" the value found in the attribute (i.e. from master: !jQuery.isNaN( data ) ? parseFloat( data ) : ...). I had product serial numbers in my attribute such as data-serial="00071134" which jQuery munged into a number 71134, forcing me to revert to the less elegant .at...
Checking if an object is a given type in Swift
...ld only use as without the ? if there is no way your program could recover from the object not being of that type because the program will immediately halt if it is not. Using the ? in the if statement allows the program to continue.
– drewag
Jun 6 '14 at 23:55...
Is there a way to @Autowire a bean that requires constructor arguments?
...nd how that relates to setting the constructor arg for the injected bean. From what I can tell from the spring docs, it is good for setting default values, but doesn't specify how to pass a constructor arg.
– Eric B.
Jul 19 '11 at 2:35
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Common programming mistakes for Clojure developers to avoid [closed]
...r code. This also happens frequently when you're refactoring, moving a var from one namespace to another.
Treating the for list comprehension like an imperative for loop
Essentially you're creating a lazy list based on existing lists rather than simply performing a controlled loop. Clojure's dos...
