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How do I encode and decode a base64 string?

..., I'll agree that wrapping a deref error is definitely dubious (plus we're all slowly agreeing to the fact that null as a concept is a bit of a hack to begin with), but we can still see some effects otherwise: the parameter name given in the exception might not be correct if left unchecked. ...
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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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Html5 data-* with asp.net mvc TextboxFor html attributes

... You could use underscore (_) and the helper is intelligent enough to do the rest: @Html.TextBoxFor( model => model.Country.CountryName, new { data_url = Url.Action("CountryContains", "Geo") } ) And for those who want to achieve the same...
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How to convert a PIL Image into a numpy array?

....readthedocs.io/en/3.4.x/reference/…), but a pillow image implements the __array_interface__ which numpy can use to access the raw bytes of an image without having to pass through an iterator (see github.com/python-pillow/Pillow/blob/… and docs.scipy.org/doc/numpy/reference/arrays.interface.html...
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Difference between object and class in Scala

...ompanion object of class C; note that the companion object is not automatically an instance of C. Also see Scala documentation for object and class. object as host of static members Most often, you need an object to hold methods and values/variables that shall be available without having to firs...
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How do I restore a dump file from mysqldump?

... is (you may have to look around a bit for it, it'll depend on how you installed mysql, i.e. standalone or as part of a package like WAMP). Once you're in that directory, you should be able to just type the command as I have it above. ...
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How to use the 'main' parameter in package.json?

...t to your program. That is, if your package is named foo, and a user installs it, and then does require("foo"), then your main module's exports object will be returned. This should be a module ID relative to the root of your package folder. For most modules, it makes the most sense...
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Executing Batch File in C#

... Thanks! now i actually can see what the error is. "C:\Windows\System32\txtmanipulator.bat is not recognized as an internal or external command, program or batchfile" (Translated from dutch) Which is odd. Because when i run txtmanipulator from ...
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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is ...
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Why does [5,6,8,7][1,2] = 8 in JavaScript?

...other array That's why you get [1,2,3] + [1,2] = 1,2,31,2 i.e. var arr_1=[1,2,3]; var arr_2=[1,2]; arr_1 + arr_2; // i.e. 1,2,31,2 Basically in the first case it is used as index of array and in the second case it is itself an array. ...