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What is the JavaScript convention for no operation?

...ed in finding a no-op-like construct to efficiently turn off debug code in my program. In C/C++, I would have used macros. I tested assigning my fn to Function.prototype and timed it, comparing the results to simply having an if statement inside the function to return immediately. I also compared th...
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How do I detect if I am in release or debug mode?

How can I detect in my code that I am in Release mode or Debug mode? 7 Answers 7 ...
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What is ViewModel in MVC?

...is (assuming you are using ASP.NET MVC and the Razor view engine): @model MyProject.Web.ViewModels.CreateEmployeeViewModel <table> <tr> <td><b>First Name:</b></td> <td>@Html.TextBoxFor(m => m.FirstName, new { maxlength = "50", s...
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What's the best way to join on the same table twice?

... I've just used this solution for my own problem. It helped a lot. However, before seeing this I applied Primary Keys and Foreign Keys wherever I could see tables needing to join to each other. Why is this a bad idea? – volume one ...
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Are “while(true)” loops so bad? [closed]

... to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below. ...
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MySQL load NULL values from CSV data

... MySQL manual says: When reading data with LOAD DATA INFILE, empty or missing columns are updated with ''. If you want a NULL value in a column, you should use \N in the data file. The literal word “NULL” ma...
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Installing vim with ruby support (+ruby)

I'm trying to get command-t installed for vim but my current version of vim doesn't have the (+ruby) flag. The command "which ruby" shows that ruby is installed. ...
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?

... Thanks to Jeremy Lew's answer and a bit more playing around, I figured out how to remove blank xmlns attributes: pass in the root node's namespace when creating any child node you want not to have a prefix on. Using a namespace without a ...
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?

...s how you'd create and use a confirm command based on the first version in my answer (it would work similarly with the other two): confirm() { # call with a prompt string or use a default read -r -p "${1:-Are you sure? [y/N]} " response case "$response" in [yY][eE][sS]|[yY]) ...
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UITableViewCell subview disappears when cell is selected

...d not work for me (running on iOS 8.1). Instead solved this by subclassing my view and overriding setBackgroundColor as [super setBackgroundColor:[UIColor whiteColor]]. – bizz84 Nov 20 '14 at 14:54 ...