大约有 40,000 项符合查询结果(耗时:0.0504秒) [XML]

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“A project with an Output type of Class Library cannot be started directly”

...classes with implemented functionality. You should add to your solution a new project with Output Type of either Console Application or Windows Application (VS Add Project wizard will offer you different templates of Projects). In the newly added project, you can implement logic to test your Class...
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How do I display an alert dialog on Android?

...a specific theme resource as the second parameter if you desire to do so. new AlertDialog.Builder(context) .setTitle("Delete entry") .setMessage("Are you sure you want to delete this entry?") // Specifying a listener allows you to take an action before dismissing the dialog. // The...
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How to use putExtra() and getExtra() for string data

... Use this to "put" the file... Intent i = new Intent(FirstScreen.this, SecondScreen.class); String strName = null; i.putExtra("STRING_I_NEED", strName); Then, to retrieve the value try something like: String newString; if (savedInstanceState == null) { Bund...
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Change navbar color in Twitter Bootstrap

...ault .navbar-toggle .icon-bar { background-color: #CCC; } @media (max-width: 767px) { .navbar-default .navbar-nav .open .dropdown-menu > li > a { color: #777; } .navbar-default .navbar-nav .open .dropdown-menu > li > a:hover, .navbar-default .navbar-nav .open ...
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psql: FATAL: Ident authentication failed for user “postgres”

... As someone who is new to psql, this is a huge help and should be the accepted answer as it caters to various authentication methods – Vyrnach Feb 28 '17 at 3:18 ...
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How do I remove duplicates from a C# array?

...ic string[] RemoveDuplicates(string[] s) { HashSet<string> set = new HashSet<string>(s); string[] result = new string[set.Count]; set.CopyTo(result); return result; } Unfortunately this solution also requires .NET framework 3.5 or later as HashSet was not added until th...
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Redirect From Action Filter Attribute

... Set filterContext.Result With the route name: filterContext.Result = new RedirectToRouteResult("SystemLogin", routeValues); You can also do something like: filterContext.Result = new ViewResult { ViewName = SharedViews.SessionLost, ViewData = filterContext.Controller.ViewData }; ...
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Why does appending “” to a String save memory?

... Doing the following: data.substring(x, y) + "" creates a new (smaller) String object, and throws away the reference to the String created by substring(), thus enabling garbage collection of this. The important thing to realise is that substring() gives a window onto an existing S...
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How can I generate a unique ID in Python? [duplicate]

...is buggy and tends to fork a process that keeps FDs open. That's fixed in newer versions, but most people probably don't have that yet, so I generally avoid this module. Caused me major headaches with listen sockets... – Glenn Maynard Jul 31 '09 at 3:14 ...
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SFTP Libraries for .NET [closed]

...he project I'm using them in. Thank You, – Nour Lababidi Apr 1 '16 at 20:09 1 An update - SSH.NET...