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What difference does .AsNoTracking() make?

...hen you are going to save the user back to database you must attach it and set correctly state of the user so that EF knows that it should update existing user instead of inserting a new one. In the second case you don't need to do that if you load and save the user with the same context instance be...
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Difference between thread's context class loader and normal classloader

...ader should be used. Short answer: never use the context class loader! But set it to getClass().getClassLoader() when you have to call a method that is missing a ClassLoader parameter. When code from one class asks to load another class, the correct class loader to use is the same class loader as t...
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Hiding textarea resize handle in Safari

... What if I want to show it on hover after I've set resize:none ? – Michael Forrest Sep 24 '10 at 11:33 ...
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Printing hexadecimal characters in C

... It doesn't print anything because the minimum is set to 0. To fix this, try printf("%.2x", 0); which will boost the minimum characters drawn to 2. To set a max, prepend the . with a number. For example, you can force only 2 characters drawn by doing printf("%2.2x", 0); ...
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How to change a span to look like a pre with CSS?

...e W3C CSS2.1 Default Style Sheet or the CSS2.2 Working Draft. Copy all the settings for PRE and put them into your own class. pre { display: block; unicode-bidi: embed; font-family: monospace; white-space: pre; } ...
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LaTeX Optional Arguments

... edited Jan 30 '16 at 3:07 JesseTG 1,62111 gold badge1919 silver badges3939 bronze badges answered Nov 28 '09 at 10:50 ...
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How to hide a View programmatically?

... You can call view.setVisibility(View.GONE) if you want to remove it from the layout. Or view.setVisibility(View.INVISIBLE) if you just want to hide it. From Android Docs: INVISIBLE This view is invisible, but it still takes up space...
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Best way to implement request throttling in ASP.NET MVC?

... "Name-192.168.0.1" /// </remarks> public string Name { get; set; } /// <summary> /// The number of seconds clients must wait before executing this decorated route again. /// </summary> public int Seconds { get; set; } /// <summary> /// A tex...
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Update or Insert (multiple rows and columns) from subquery in PostgreSQL

... For the UPDATE Use: UPDATE table1 SET col1 = othertable.col2, col2 = othertable.col3 FROM othertable WHERE othertable.col1 = 123; For the INSERT Use: INSERT INTO table1 (col1, col2) SELECT col1, col2 FROM othertable You don't need the VA...
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With GitHub how do I push all branches when adding an existing repo?

... git push --all git push --tags would really push everything. See also "Set up git to pull and push all branches". Don't forget the --dry-run option to make some test before actually pushing everything. See also GitHub help "Working with remotes" to set your origin to your GitHub remote repo. ...