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C# Java HashMap equivalent

... { return null_value; } return base[key]; } set { if (key == null) { null_value = value; } else { base[key] = value; } ...
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UIStatusBarStyle PreferredStatusBarStyle does not work on iOS 7

... my iPhone application built with Xcode 5 for iOS 7 I set UIViewControllerBasedStatusBarAppearance=YES in info.plist , and in my ViewController I have this code: ...
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Best practices for using Markers in SLF4J/Logback

...it, but our logging strategy is fairly simple, using straightforward class based loggers and no fancy stuff like MDC or Markers. ...
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Choosing Mobile Web HTML5 Framework [closed]

... and the coding style appears to be very similar to Sencha Touch, which is based on ExtJS, so if your team already has experience with ExtJS, it might be wise to consider one of these frameworks. Nimblekit: This appears to be for iOS only, not a good thing if you ever decide to expand your applicat...
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Check if element exists in jQuery [duplicate]

...') , however when using jQuery, you do need to put hash to target elements based on id just like CSS. share | improve this answer | follow | ...
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How would you go about parsing Markdown? [closed]

... uses an actual parser, is Jon MacFarleane’s peg-markdown. Its parser is based on a Parsing Expression Grammar parser generator called peg. EDIT: Mauricio Fernandez recently released his Simple Markup Markdown parser, which he wrote as part of his OcsiBlog Weblog Engine. Because the parser is wri...
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Installing SciPy with pip

... Prerequisite: sudo apt-get install build-essential gfortran libatlas-base-dev python-pip python-dev sudo pip install --upgrade pip Actual packages: sudo pip install numpy sudo pip install scipy Optional packages: sudo pip install matplotlib OR sudo apt-get install python-matplotlib su...
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How can I detect if a file is binary (non-text) in python?

...me good answers here: stackoverflow.com/questions/1446549/… The answer based on an activestate recipe looks good to me, it allows a small proportion of non-printable characters (but no \0, for some reason). – Sam Watkins Mar 14 '13 at 2:57 ...
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How can I catch all the exceptions that will be thrown through reading and writing a file?

...f exception at all. } The reason that works is because Exception is the base class for all exceptions. Thus any exception that may get thrown is an Exception (Uppercase 'E'). If you want to handle your own exceptions first simply add a catch block before the generic Exception one. try{ }c...
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How do I replace NA values with zeros in an R dataframe?

... The dplyr hybridized options are now around 30% faster than the Base R subset reassigns. On a 100M datapoint dataframe mutate_all(~replace(., is.na(.), 0)) runs a half a second faster than the base R d[is.na(d)] <- 0 option. What one wants to avoid specifically is using an ifelse() or ...