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What is the use of Enumerable.Zip extension method in Linq?

...rator merges the corresponding elements of two sequences using a specified selector function. var letters= new string[] { "A", "B", "C", "D", "E" }; var numbers= new int[] { 1, 2, 3 }; var q = letters.Zip(numbers, (l, n) => l + n.ToString()); foreach (var s in q) Console.WriteLine(s); Oupu...
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What is the Difference Between Mercurial and Git?

I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. Just recently I've been looking at Mercurial (hg) and it looks interesting. However, I can't wrap my head around the differences between hg and git. ...
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Check if at least two out of three booleans are true

...ewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true. ...
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整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...

...cookietime = 31536000; $uid = intval($get['uid']); $query = DB::query("SELECT uid, username, password FROM ".DB::table('common_member')." WHERE uid='$uid'"); if ($member = DB::fetch($query)) { dsetcookie('auth', authcode("$member[password]\t$member[uid]", 'ENCODE'), $cookietime); }else ...
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Sleep until a specific time/date

I want my bash script to sleep until a specific time. So, I want a command like "sleep" which takes no interval but an end time and sleeps until then. ...
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How to programmatically send SMS on the iPhone?

...t with predefined (prefill) body text. Thos body text should be the manual selection from 4 possible options. E.g. The app opens and pop-ups "select reason". Then 4 options are available. Next the user selects one of these 4 options and then an automatic SMS is sent having as body text the choice of...
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that

... to find out where the reference is or isn't set, right-click its name and select "Find All References". You can then place a breakpoint at every location that requests data, and run your program with the debugger attached. Every time the debugger breaks on such a breakpoint, you need to determine w...
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Add spaces before Capital Letters

... line with linq: var val = "ThisIsAStringToTest"; val = string.Concat(val.Select(x => Char.IsUpper(x) ? " " + x : x.ToString())).TrimStart(' '); share | improve this answer | ...
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How to import JsonConvert in C# application?

... right click on the project and select Manage NuGet Packages.. In that select Json.NET and install After installation, use the following namespace using Newtonsoft.Json; then use the following to deserialize JsonConvert.DeserializeObject ...
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Algorithm to return all combinations of k elements from n

... takes an array of letters as an argument and a number of those letters to select. 71 Answers ...