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django templates: include and extends

...nds variable %} uses the value of variable. If the variable evaluates to a string, Django will use that string as the name of the parent template. If the variable evaluates to a Template object, Django will use that object as the parent template. Instead of separate "page1.html" and "page2.html", ...
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MySQL combine two columns into one column

... The SQL standard provides the CONCAT() function to concatenate two strings into a single string. SQLite, however, does not support the CONCAT() function. Instead, it uses the concatenate operator (||) to join two strings into one. – PaulH Oct 28 '19 at ...
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What is the maximum length of a URL in different browsers?

...ails C# part: [AcceptVerbs(HttpVerbs.Get)] public ActionResult ParamTest(string x) { ViewBag.TestLength = 0; if (!string.IsNullOrEmpty(x)) { System.IO.File.WriteAllLines("c:/result.txt", new[] {Request.UserAgent, x.Length.ToString()}); ViewBag.Tes...
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Wait until file is unlocked in .NET

...; /// <param name="fullPath"></param> bool WaitForFile(string fullPath) { int numTries = 0; while (true) { ++numTries; try { // Attempt to open the file exclusively. using (FileStream ...
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Get the closest number out of an array

... downside is that it only works if reduce's callback is called from the same scope as the declared vars. Since you can't pass goal to reduce, you must reference it from a global scope. – 7yl4r Feb 6 '15 at 15:09 ...
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How to generate javadoc comments in Android Studio

...he specified URL * @see Image */ public Image getImage(URL url, String name) { try { return getImage(new URL(url, name)); } catch (MalformedURLException e) { return null; } } The basic format can be auto generated in either of the followi...
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.NET List Concat vs AddRange

...e done a test comparing Concat and AddRange with a List<KeyValuePair<string, string>> with 1000 elements, concatenated/added 100 times, and AddRange was extremely faster. The results were these: AddRange 13 ms, Concat().ToList() 16,000 ms, and Concat on an IEnumerable doing only the ToLi...
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Counting the number of elements with the values of x in a vector

...ial floating point issues, especially with table, which coerces numbers to strings. – hadley Dec 17 '09 at 18:10 4 ...
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How to clear basic authentication details in chrome

... Very well. It really works. The YXNkc2E6 is just a hash string for when you do not want to pass the actual username and password. It is not really necessary here – George Pligoropoulos May 13 '16 at 9:10 ...
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Is there a way to get a collection of all the Models in your Rails app?

... information If you want to call a method on the object name without model:string unknown method or variable errors use this model.classify.constantize.attribute_names share | improve this answer...