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IEnumerable and Recursion using yield return

...control.Controls .Where(c => c is T) .Concat(control.Controls .SelectMany(c =>c.GetDeepControlsByType<T>())); } share | ...
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Get all directories within directory nodejs

...e('path'); function flatten(lists) { return lists.reduce((a, b) => a.concat(b), []); } function getDirectories(srcpath) { return fs.readdirSync(srcpath) .map(file => path.join(srcpath, file)) .filter(path => fs.statSync(path).isDirectory()); } function getDirectoriesRecursive...
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When is “i += x” different from “i = i + x” in Python?

...when I do b = b + [1, 2, 3], this takes the list that b is referencing and concatenates it with a new list [1, 2, 3]. It then stores the concatenated list in the current namespace as b -- With no regard for what b was the line before. 1In the expression x + y, if x.__add__ isn't implemented or i...
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How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?

... xhr.setRequestHeader('Authorization', ("Basic " .concat(btoa(key)))); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); }, share | ...
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How To Test if Type is Primitive

...ect typeof (Nullable<>).MakeGenericType(t); List = types.Concat(nullTypes).ToArray(); } public static bool Test(Type type) { if (List.Any(x => x.IsAssignableFrom(type))) return true; var nut = Nullable.GetUnderlyingType...
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How to see log files in MySQL?

...nish When general log is enabled, try: sudo tail -f $(mysql -Nse "SELECT CONCAT(@@datadir, @@general_log_file)") To use mysql with the password access, add -p or -pMYPASS parameter. To to keep it remembered, you can configure it in your ~/.my.cnf, e.g. [client] user=root password=root So it...
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Best way to implement request throttling in ASP.NET MVC?

...OnActionExecuting(ActionExecutingContext c) { var key = string.Concat(Name, "-", c.HttpContext.Request.UserHostAddress); var allowExecute = false; if (HttpRuntime.Cache[key] == null) { HttpRuntime.Cache.Add(key, true, // is this the sm...
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Javascript and regex: split string and keep the separator

...or(var p = 0; p < partsTemp.length; p++){ parts = parts.concat(splitAndKeep(partsTemp[p], separator[i], method)); } } return parts; }else{ return splitAndKeep(str, separator, method); } }; usage: str = "first1-second2-third3-last"; s...
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C/C++ macro string concatenation

Is it possible to concatenate have STR3 == "s1"? You can do this by passing args to another Macro function. But is there a direct way? ...
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How do I do a multi-line string in node.js?

... As an aside to what folks have been posting here, I've heard that concatenation can be much faster than join in modern javascript vms. Meaning: var a = [ "hey man, this is on a line", "and this is on another", "and this is on a third" ].join('\n'); Will be slower than: var a = "hey...