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How to check if an object is an array?

I'm trying to write a function that either accepts a list of strings, or a single string. If it's a string, then I want to convert it to an array with just the one item so I can loop over it without fear of an error. ...
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What is the use of Enumerable.Zip extension method in Linq?

...ts of two sequences using a specified selector function. var letters= new string[] { "A", "B", "C", "D", "E" }; var numbers= new int[] { 1, 2, 3 }; var q = letters.Zip(numbers, (l, n) => l + n.ToString()); foreach (var s in q) Console.WriteLine(s); Ouput A1 B2 C3 ...
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Converting a string to an integer on Android

How do I convert a string into an integer? 13 Answers 13 ...
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Conversion failed when converting date and/or time from character string while inserting datetime

...valid for SQL Server 2000 and newer. So in your concrete case - use these strings: insert into table1 values('2012-02-21T18:10:00', '2012-01-01T00:00:00'); and you should be fine (note: you need to use the international 24-hour format rather than 12-hour AM/PM format for this). Alternatively: i...
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Why can't an anonymous method be assigned to var?

...quely determine the type. Consider your example: var comparer = delegate(string value) { return value != "0"; }; Here are two possible inferences for what the var should be: Predicate<string> comparer = delegate(string value) { return value != "0"; }; // okay Func<string, bool> co...
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How do I get the web page contents from a WebView?

...criptInterface @SuppressWarnings("unused") public void processHTML(String html) { // process the html as needed by the app } } final WebView browser = (WebView)findViewById(R.id.browser); /* JavaScript must be enabled if you want it to work, obviously */ browser.getSettings(...
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How to print a percentage value in python?

... so in f-string style it will be f"{1/3.0:.1%}" – Kubas Feb 26 '19 at 13:58 ...
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?

...ng symlinks (on unixes). Also note the following example with nio.Paths: String canonical_path_string = "C:\\Windows\\System32\\"; String absolute_path_string = "C:\\Windows\\System32\\drivers\\..\\"; System.out.println(Paths.get(canonical_path_string).getParent()); System.out.println(Paths.get(a...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...te thread. Make sure to wrap anything that modifies the database for query strings in @synchronize() {} blocks. For short queries just leave things on the main thread for easier convenience. More SQLite optimization tips are here, though the document appears out of date many of the points are prob...
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How can I remove 3 characters at the end of a string in php?

How can I remove 3 characters at the end of a string in php? "abcabcabc" would become "abcabc"! 3 Answers ...