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How to add spacing between UITableViewCell

... Nice solution. In case anyone has issues, I had to call super.layoutSubviews() first to ensure the entire view was properly laid out prior to setting its frame. – ruttopia Dec 14 '16 at 21:51 ...
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How to convert nanoseconds to seconds using the TimeUnit enum?

... This answer is now wrong - convert() and the toFoo() methods all return longs now docs.oracle.com/javase/6/docs/api/java/util/concurrent/… – Riking Jul 30 '13 at 1:58 ...
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Purpose of Python's __repr__

... __repr__ should return a printable representation of the object, most likely one of the ways possible to create this object. See official documentation here. __repr__ is more for developers while __str__ is for end users. A ...
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How to validate an Email in PHP?

...hould be replaced by the preg family (PCRE Regex Functions). There are a small amount of differences, reading the Manual should suffice. Update 1: As pointed out by @binaryLV: PHP 5.3.3 and 5.2.14 had a bug related to FILTER_VALIDATE_EMAIL, which resulted in segfault when validating large ...
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How to get the directory of the currently running file?

... It actually works even if os.Args[0] does not contain the abs path. The reason the playground result is not what you expected is because it is inside a sandbox. – Gustavo Niemeyer Jul 21 '15 at...
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What are the differences between .so and .dylib on osx?

...xecutables and libraries distinguishes between shared libraries and dynamically loaded modules. Use otool -hv some_file to see the filetype of some_file. Mach-O shared libraries have the file type MH_DYLIB and carry the extension .dylib. They can be linked against with the usual static linker flags...
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How do I convert Word files to PDF programmatically? [closed]

I have found several open-source/freeware programs that allow you to convert .doc files to .pdf files, but they're all of the application/printer driver variety, with no SDK attached. ...
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Turn a string into a valid filename?

I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python. ...
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How can I find the number of arguments of a Python function?

...ms = sig.parameters print(params['kwarg1']) # prints: kwarg1=20 Additionally, you can call len on sig.parameters to also see the number of arguments this function requires: print(len(params)) # 3 Each entry in the params mapping is actually a Parameter object that has further attributes makin...
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Standardize data columns in R

I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages. 15 ...