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How do I make a matrix from a list of vectors in R?
Goal: from a list of vectors of equal length, create a matrix where each vector becomes a row.
6 Answers
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How to prevent gcc optimizing some statements in C?
...ake a page dirty (switching on the dirty bit in the page table entry), I touch the first bytes of the page like this:
3 Ans...
Is there a way to zoom the Visual Studio text editor with a keyboard shortcut?
Yesterday I found myself needing to zoom my Visual Studio text editor and was without a mouse (don't ask). Typically I do this by holding down CTRL and scrolling the mouse wheel. I also couldn't figure out how to tab into the area where you can specify your zoom level in the lower left hand corner...
What does -D_XOPEN_SOURCE do/mean?
I recently encountered some code that gcc would not compile without this arg. I checked the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
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How to include a child object's child object in Entity Framework 5
I am using Entity Framework 5 code first and ASP.NET MVC 3 .
4 Answers
4
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Gradient of n colors ranging from color 1 and color 2
...r an example ). I have a need to work in base and I think scales can be used there to create color gradients as well but I'm severely off the mark on how. The basic goal is generate a palette of n colors that ranges from x color to y color. The solution needs to work in base though. This was a...
Reload the path in PowerShell
If I have an instance of PowerShell ISE running and I install something that modifies the PATH or I modify it in any way outside of PowerShell then I need to restart PowerShell for it to see the updated PATH variable.
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How to get anchor text/href on click using jQuery?
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Note: Apply the class info_link to any link you want to get the info from.
<a class="info_link" href="~/Resumes/Resumes1271354404687.docx">
~/Resumes/Resumes1271354404687.docx
</a>
For href:
$(function(){
$('.info_link').click(function(){
alert(...
Rails: how do I validate that something is a boolean?
Does rails have a validator like validates_numericality_of for boolean or do I need to roll my own?
5 Answers
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How to format all Java files in an Eclipse project at one time?
...es according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin?
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