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What is the “realm” in basic authentication

...uthentication scheme and/or authorization database. The realm value is a string, generally assigned by the origin server, which may have additional semantics specific to the authentication scheme. In short, pages in the same realm should share credentials. If your credentials work for a pag...
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Is there a more elegant way of adding an item to a Dictionary safely?

... it's already there, but it doesn't have to be there first: Dictionary<string, object> currentViews = new Dictionary<string, object>(); currentViews["Customers"] = "view1"; currentViews["Customers"] = "view2"; currentViews["Employees"] = "view1"; currentViews["Reports"] = "view1"; Bas...
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SQLite - How do you join tables from different databases?

...lQuery"></param> public static DataTable GetDataTableFrom2DBFiles(string attachSQL, string sqlQuery) { try { string conArtistName = "data source=" + path + ";"; using (SQLiteConnection singleConnectionFor2DBFiles = new SQLiteConnection(conArtistName)) { ...
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Formatting a number with exactly two decimals in JavaScript

...num = 2.4; alert(num.toFixed(2)); // "2.40" Note that toFixed() returns a string. IMPORTANT: Note that toFixed does not round 90% of the time, it will return the rounded value, but for many cases, it doesn't work. For instance: 2.005.toFixed(2) === "2.00" UPDATE: Nowadays, you can use the Intl.Numb...
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Logging errors in ASP.NET MVC

...rContext) { // You could use any logging approach here StringBuilder builder = new StringBuilder(); builder .AppendLine("----------") .AppendLine(DateTime.Now.ToString()) .AppendFormat("Source:\t{0}", filterContext.Exception.Source) ...
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Is it better to return null or empty collection?

... mentioned. Consider the following code: public static IEnumerable<string> GetFavoriteEmoSongs() { yield break; } The C# Language will return an empty enumerator when calling this method. Therefore, to be consistant with the language design (and, thus, programmer expecta...
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?

...with this class name not found, UIView *view = [[bundle loadNibNamed:NSStringFromClass([self class]) owner:self options:nil] firstObject]; return view; } - (void)commonSetup { UIView *nibView = [self loadViewFromNib]; nibView.frame = self.bounds; // the autoresizingMask will be...
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How to generate the “create table” sql statement for an existing table in postgreSQL

...ttypmod) as column_type, CASE WHEN (SELECT substring(pg_catalog.pg_get_expr(d.adbin, d.adrelid) for 128) FROM pg_catalog.pg_attrdef d WHERE d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef) IS NOT NULL THEN '...
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Android - Setting a Timeout for an AsyncTask?

...ternally in the class. public class YouExtendedClass extends AsyncTask<String,Integer,String> { ... public YouExtendedClass asyncObject; // as CountDownTimer has similar method -> to prevent shadowing ... @Override protected void onPreExecute() { asyncObject = this; new CountDown...
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How to make connection to Postgres via Node.js

... I interact with this through node? For example, what would the connectionstring be, or how am I able to find out what it is. ...