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C# Lambda expressions: Why should I use them?

...of an anonymous delegate: void Example(Predicate<int> aDelegate); called like: Example(x => x > 5); becomes: void Example(Expression<Predicate<int>> expressionTree); The latter will get passed a representation of the abstract syntax tree that describes the expression...
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Server.Transfer Vs. Response.Redirect

...sferring to. For example, if your WebForm1.aspx has a TextBox control called TextBox1 and you transferred to WebForm2.aspx with the preserveForm parameter set to True, you'd be able to retrieve the value of the original page TextBox control by referencing Request.Form("TextBox1"). ...
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DataSet panel (Report Data) in SSRS designer is gone

...pent over 30mins looking for this. Funny how something so essential is so hidden. One would think it would be placed under View or Report menus without having to select the report. If the UI has to be dumbed down let it be dumbed down all the way – user919426 ...
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Find out which remote branch a local branch is tracking

...sages, but it's quick to type and I get the tracking branches aligned vertically in the 3rd column. If you need info on both 'pull' and 'push' configuration per branch, see the other answer on git remote show origin. Update Starting in git version 1.8.5 you can show the upstream branch with git...
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Error Code: 2013. Lost connection to MySQL server during query

...ow.com/q/16877574/395857, this issue is now solved (bugs.mysql.com/bug.php?id=69395) – Franck Dernoncourt Jun 18 '13 at 3:46 4 ...
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How do you get the logical xor of two variables in Python?

... @MartijnPieters The ^ operator calls __xor__ internally. – Quantum7 Feb 15 '18 at 8:41 5 ...
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How can I return NULL from a generic method in C#?

...ol it depends on your requirements. Maybe their project does require it be IDisposable. Yes, most of the time it doesn't have to be. System.String doesn't implement IDisposable, for example. The answerer should have clarified that, but that doesn't make the answer wrong. :) – a...
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How can I exclude directories from grep -R?

...ve to grep, that's customized for searching code. For instance, it automatically ignores files and directories listed in .gitignore, so you don't have to keep passing the same cumbersome exclude options to grep or find. shar...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

... return new BusinessClass(myProperty); return null; } } Calling it would be pretty straightforward: BusinessClass objBusiness = BusinessClass.CreateObject(someProperty); share | ...
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List all tables in postgresql information_schema

... All of the tables you have listed (via the /dt command) provide meta-information about the database. Each of the tables listed shows different information. So, for instance, the information_schema.tables table lists all the tables in the database and their attributes (such as being a...