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Getting the name of a variable as a string

This thread discusses how to get the name of a function as a string in Python: How to get a function name as a string? 23 ...
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How to check if object (variable) is defined in R?

... You want exists(): R> exists("somethingUnknown") [1] FALSE R> somethingUnknown <- 42 R> exists("somethingUnknown") [1] TRUE R> shar...
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Remove border radius from Select tag in bootstrap 3

... Here is a version that works in all modern browsers. The key is using appearance:none which removes the default formatting. Since all of the formatting is gone, you have to add back in the arrow that visually differentiates the select from the input. Note: appearance is not supported...
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Handling an empty UITableView. Print a friendly message

I have a UITableView that in some cases it is legal to be empty. So instead of showing the background image of the app, I would prefer to print a friendly message in the screen, such as: ...
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?

When encoding a query string to be sent to a web server - when do you use escape() and when do you use encodeURI() or encodeURIComponent() : ...
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RESTful call in Java

... how to make the call. Do I need to use the URLConnection or others? Can anyone help me. thank you. 11 Answers ...
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Getting the parent div of element

This should be really simple but I'm having trouble with it. How do I get a parent div of a child element? 7 Answers ...
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How to crop an image using PIL?

I want to crop image in the way by removing first 30 rows and last 30 rows from the given image. I have searched but did not get the exact solution. Does somebody have some suggestions? ...
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List comprehension vs. lambda + filter

I happened to find myself having a basic filtering need: I have a list and I have to filter it by an attribute of the items. ...
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Message Queue vs. Web Services? [closed]

...ia a message queue instead of via web services (I just mean XML or JSON or YAML or whatever over HTTP here, not any particular type)? ...