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Return empty cell from formula in Excel

...mpty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like ...
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How to properly ignore exceptions

...hy? Say you (somehow) accidently pass the function an integer instead of a string, like: shutil.rmtree(2) It will give the error "TypeError: coercing to Unicode: need string or buffer, int found" - you probably don't want to ignore that, which can be difficult to debug. If you definitely want to...
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How to change Hash values?

...def convert_hash hash hash.inject({}) do |h,(k,v)| if v.kind_of? String h[k] = to_utf8(v) else h[k] = convert_hash(v) end h end end # Iconv UTF-8 helper # Converts strings into valid UTF-8 # # @param [String] untrusted_string the ...
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REST API error return good practices [closed]

... Should I include my detailed error message in the body, ie. an XML code/string pair? How are clients best dealing with this? For instance I know C# WebRequest based clients would throw 'Bad Request' or 'Forbidden' and not give the response body. – Remus Rusanu ...
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Integrate ZXing in Android Studio

I'll start explaining all the steps I have done and in the end what is the problem. 5 Answers ...
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What is the difference between Class Path and Build Path

... The build path is used for building your application. It contains all of your source files and all Java libraries that are required to compile the application. The classpath is used for executing the application. This includes all java classes and libraries that are needed to run the java ...
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How to check if a file exists in the Documents directory in Swift?

...thForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String let url = NSURL(fileURLWithPath: path) if let pathComponent = url.appendingPathComponent("nameOfFileHere") { let filePath = pathComponent.path let fileManager = FileManager.default if fi...
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Python string.replace regular expression [duplicate]

... You are looking for the re.sub function. import re s = "Example String" replaced = re.sub('[ES]', 'a', s) print replaced will print axample atring share | improve this answer ...
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Whether a variable is undefined [duplicate]

...ver return 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do: if(page_name != '') For other variables that don't come from something like jQuery.val() you would do this though: if(typeof ...
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in

...me reason single quotes didn't work for me. I had to use double quotes. ¯\_(ツ)_/¯ – Planky Mar 24 '17 at 21:41 ...