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How do I configure Notepad++ to use spaces instead of tabs?

Notepad++ keeps inserting tabs which later messes up my code. This doesn't just happen when I hit the tab key, but other times as well. I want it to use 4 spaces instead of tabs. ...
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Calculate difference between two datetimes in MySQL

I am storing the last login time in MySQL in, datetime -type filed. When users logs in, I want to get the difference between the last login time and the current time (which I get using NOW() ). ...
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?

My numpy arrays use np.nan to designate missing values. As I iterate over the data set, I need to detect such missing values and handle them in special ways. ...
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ASP.NET MVC passing an ID in an ActionLink to the controller

... Doesn't look like you are using the correct overload of ActionLink. Try this:- <%=Html.ActionLink("Modify Villa", "Modify", new {id = "1"})%> This assumes your view is under the /Views/Villa folder. If not then I suspect you need:- &l...
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Overriding class constants vs properties

I would like to better understand why, in the scenario below, there is a difference in the way class constants are inherited vs. instance variables. ...
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How to set java_home on Windows 7?

... Find JDK Installation Directory First you need to know the installation path for the Java Development Kit. Open the default installation path for the JDK: C:\Program Files\Java There should be a subdirectory like: C:\Program Files\J...
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Setting transparent images background in IrfanView

...ve some PNG images which consist of a black shape and a transparent background. Unfortunately, IrfanView shows transparent background as black color, so I see just black on black. I've found in Irfan settings that I can change the window's background color, but it changes only around the image, the ...
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Using sed, how do you print the first 'N' characters of a line?

Using sed what is an one liner to print the first n characters ? I am doing the following: 6 Answers ...
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How to skip “are you sure Y/N” when deleting files in batch files

...can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files. 4 Answers ...
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Using GSON to parse a JSON array

... Problem is caused by comma at the end of (in your case each) JSON object placed in the array: { "number": "...", "title": ".." , //<- see that comma? } If you remove them your data will become [ { "number": "3...