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Detect if Android device has Internet connection

...onseCode() == 200); } catch (IOException e) { Log.e(LOG_TAG, "Error checking internet connection", e); } } else { Log.d(LOG_TAG, "No network available!"); } return false; } Of course you can substitute the http://www.google.com URL for any other serv...
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How to append text to an existing file in Java?

...he file does not already exist. It also does not append a newline automatically (which you often want when appending to a text file). Steve Chambers's answer covers how you could do this with Files class. However, if you will be writing to the same file many times, the above has to open and close t...
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Task vs Thread differences [duplicate]

I'm new to parallel programming. There are two classes available in .NET: Task and Thread . 4 Answers ...
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Why should I avoid using Properties in C#?

...erties, and recommends not to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties? In C# 3.0, with automatic properties, does this change? ...
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Javascript and regex: split string and keep the separator

...h for predefined groups like this: \d equals [0-9] and \w equals [a-zA-Z0-9_]. This means your expression could look like this. string.split(/<br \/>(&#?[a-z\d]+;)/gi); There is a good Regular Expression Reference on JavaScriptKit. ...
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How do I get jQuery to select elements with a . (period) in their ID?

... For that reason, in CSS itself, you must escape a dot in an ID, too. All jQuery is doing is requiring you to follow the rules set out by CSS. – bdukes Apr 6 '09 at 14:11 6 ...
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CentOS 64 bit bad ELF interpreter

... PACKAGE.i686 to install it. (Making sure to grab the i386 or i686, not x86_64 as it would install by default on your system) – BRPocock Nov 30 '11 at 17:25 ...
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Best practices for catching and re-throwing .NET exceptions

... that bombs here } catch (Exception ex) { throw; } throw ex; is basically like throwing an exception from that point, so the stack trace would only go to where you are issuing the throw ex; statement. Mike is also correct, assuming the exception allows you to pass an exception (which is recom...
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What should I set JAVA_HOME environment variable on macOS X 10.6?

...a_home) I haven't experienced any problems with that technique. Occasionally I do have to change the value of JAVA_HOME to an earlier version of Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running: export JAVA_HOM...
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Representing Directory & File Structure in Markdown Syntax [closed]

...se ASCII to build the structures, so your example structure becomes . +-- _config.yml +-- _drafts | +-- begin-with-the-crazy-ideas.textile | +-- on-simplicity-in-technology.markdown +-- _includes | +-- footer.html | +-- header.html +-- _layouts | +-- default.html | +-- post.html +-- _po...