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When to use ref and when it is not necessary in C#

...mean it's good. It would have been better if rather than if (int.TryParse("123", out var theInt) { /* use theInt */ } we had var candidate = int.TrialParse("123"); if (candidate.Parsed) { /* do something with candidate.Value */ } It is more code, but is much more consistent with the C# language desi...
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Hide options in a select list using jQuery

...Nov 17 '10 at 13:17 enthusiastic123enthusiastic123 14111 silver badge33 bronze badges ...
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What does Expression.Quote() do that Expression.Constant() can’t already do?

...) ex1.Compile(); var f1b = f1a(100); Console.WriteLine(f1b(123)); The lambda has a nested lambda; the compiler generates the interior lambda as a delegate to a function closed over the state of the function generated for the outer lambda. We need consider this case no more. Suppos...
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Share variables between files in Node.js?

...e.. // main.js var myModule = require('./module.js'); var shares = {value:123}; // Initialize module and pass the shareable object myModule.init(shares); // The value was changed from init2 on the other file console.log(shares.value); // 789 On the other file.. // module.js var shared = null; ...
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?

... I just discovered that var await = 123 is perfectly legal! – Cristian Traìna Feb 7 '19 at 10:10 add a comment  |  ...
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How to call a stored procedure from Java and JPA

...prepareCall("{call getEmployeeDetails(?, ?)}"); cstmt.setInt("employeeId", 123); cstmt.setInt("companyId", 456); ResultSet rs = cstmt.executeQuery(); Reference JDBC documentation: Java SE 6 share | ...
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How to generate gcc debug symbol outside the build target?

... Commit=190aa9cace3b12e2b58b692f068d4f5cf22b0145 VCS: BRANCH=refs/heads/PRJ123_feature_desc VCS: AUTHOR=Joe Developer joe.developer@somewhere.com VCS: COMMIT_DATE=2013-12-19 All that is left is to check-out the original code, re-compile without optimizations, and start debugging. ...
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What's the best way to check if a String represents an integer in Java?

...they aren't bad performers. public void RunTests() { String str = "1234567890"; long startTime = System.currentTimeMillis(); for(int i = 0; i < 100000; i++) IsInt_ByException(str); long endTime = System.currentTimeMillis(); System.out.print("ByException: "); ...
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How to get evaluated attributes inside a custom directive

...32; }​ . <div ng-controller="MyCtrl"> <input my-directive="123"> <input my-directive="1+1"> <input my-directive="'1+1'"> <input my-directive="aaa"> </div>​​​​​​​​ One thing you should notice here is that, if you want set the val...
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Easier way to debug a Windows service

... 123 When I set up a new service project a few weeks ago I found this post. While there are many gr...