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How do I use IValidatableObject?

...upedByMembers) { ModelState.AddModelError( member.Key, string.Join(". ", member.Select(m => m.Error))); } share | improve this answer | follow ...
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How do you concatenate Lists in C#?

... Form1() { InitializeComponent(); List<string> FirstList = new List<string>(); FirstList.Add("1234"); FirstList.Add("4567"); // In my code, I know I would not have this here but I put it in as a demonstration that it w...
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How to convert a dictionary to query string in Python?

...ing cgi.parse_qs() , how to convert the result (dictionary) back to query string? Looking for something similar to urllib.urlencode() . ...
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Regular expression for a string containing one word but not another

...first bit, (?!.*details.cfm) is a negative look-ahead: before matching the string it checks the string does not contain "details.cfm" (with any number of characters before it). share | improve this ...
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Regular expression for letters, numbers and - _

...will be slightly more complicated. The above regex also matches the empty string. If you need at least one character, then use + (one-or-more) instead of * (zero-or-more) for repetition. In any case, you can further clarify your specification (always helps when asking regex question), but hopefull...
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Select multiple records based on list of Id's with linq

...linq complexity.Look at my test sample below: private static void Main(string[] args) { var userProfiles = GenerateUserProfiles(); var idList = GenerateIds(); var stopWatch = new Stopwatch(); stopWatch.Start(); userProfiles.Join(idList, up => up.ID,...
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How to access the content of an iframe with jQuery?

...ut_contents($filename, $contents); ?> then, get the new file content (string) and parse it to html, for example (in jquery): $.get(file_url, function(string){ var html = $.parseHTML(string); var contents = $(html).contents(); },'html'); ...
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vs in Generics

...ut T> is covariant, you're allowed to do the following: IEnumerable<string> strings = new List<string>(); IEnumerable<object> objects = strings; The second line above would fail if this wasn't covariant, even though logically it should work, since string derives from object. ...
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How do I make an http request using cookies on Android?

...sed logon. */ public class ClientFormLogin { public static void main(String[] args) throws Exception { DefaultHttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet("https://portal.sun.com/portal/dt"); HttpResponse response = httpclient.execut...
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How can I unit test Arduino code?

...rks-in-progress in branches other than master, so check those branches for extra tests, too. I chose to write my own lightweight test routines, but more robust unit-test frameworks like CppUnit are also available. share ...