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How to detect iPhone 5 (widescreen devices)?

I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4" Retina' size to your view controller in the storyboard. ...
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How to verify if a file exists in a batch file?

... IF /? help file: The ELSE clause must occur on the same line as the command after the IF. This burned me. hope it helps you. – funkymushroom Feb 27 '14 at 17:58 ...
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UIBarButtonItem with custom image and no border

...ustom category: I have to create the header file with those declarations, and the implementation file, where I put the code you're refering ? thanks – mongeta Apr 21 '10 at 8:59 ...
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powershell - extract file name and extension

I need to extract file name and extension from e.g. my.file.xlsx. I don't know the name of file or extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the...
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RegEx for Javascript to allow only alphanumeric

...y only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both. ...
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How to print SQL statement in codeigniter model

... The Profiler Class will display benchmark results, queries you have run, and $_POST data at the bottom of your pages. To enable the profiler place the following line anywhere within your Controller methods: $this->output->enable_profiler(TRUE); Profiling user guide: https://www.codeignite...
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Difference between fprintf, printf and sprintf?

...lain in simple English about the differences between printf , fprintf , and sprintf with examples? 8 Answers ...
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Number of elements in a javascript object

... implementations might keep track of such a value internally, there's no standard way to get it. In the past, Mozilla's Javascript variant exposed the non-standard __count__, but it has been removed with version 1.8.5. For cross-browser scripting you're stuck with explicitly iterating over the pro...
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What is “:-!!” in C code?

... effect, a way to check whether the expression e can be evaluated to be 0, and if not, to fail the build. The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.) You...
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How to convert a string to utf-8 in Python

...icode'>) ^ This is the difference between a byte string (plain_string) and a unicode string. >>> s = "Hello!" >>> u = unicode(s, "utf-8") ^ Converting to unicode and specifying the encoding. In Python 3 All strings are unicode. The unicode function does not exist anymore. See ...