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How do I make a matrix from a list of vectors in R?
...
One option is to use do.call():
> do.call(rbind, a)
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1 1 2 3 4 5
[2,] 2 1 2 3 4 5
[3,] 3 1 2 3 4 5
[4,] 4 1 2 3 4 5
[5,] 5 ...
How to prevent gcc optimizing some statements in C?
... memory access has side effects, and therefore must be preserved. In this case, the store has the side effect of causing a page fault, and you want the compiler to preserve the page fault.
This way, the surrounding code can still be optimized, and your code is portable to other compilers which don...
How to collapse all methods in Xcode?
... and move/hover mouse cursor on any (start or end) braces. It will automatically highlight, block area.
Keep (hold) ⌘(command) button in pressed condition and click on highlighted area. It will enable quick menu popover window with Fold option.
Select Fold from menu list. It will fold your code an...
Is there a way to zoom the Visual Studio text editor with a keyboard shortcut?
...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 of the text editor window.
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Running multiple commands in one line in shell
...s command succeeded or failed. Unless set -e was previously invoked, which causes bash to fail on an error.
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What does -D_XOPEN_SOURCE do/mean?
...6, incorporating POSIX 2004
700 - X/Open 7, incorporating POSIX 2008
You can tell which one you need (if any) by looking at the man page for each function you call.
For example, man strdup says:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
strdup(): _SVID_SO...
How to include a child object's child object in Entity Framework 5
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If you include the library System.Data.Entity you can use an overload of the Include() method which takes a lambda expression instead of a string. You can then Select() over children with Linq expressions rather than string paths.
return DatabaseContext.Applications
.I...
Gradient of n colors ranging from color 1 and color 2
... click here for 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 thoug...
Reload the path in PowerShell
... loaded into your profile, there's a simpler command: refreshenv. This basically runs a more elaborate version of rob's comment.
– kumarharsh
Jan 21 '17 at 20:56
3
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How to get anchor text/href on click using jQuery?
... alert($(this).text());
});
});
.
Update Based On Question Edit
You can get them like this now:
For href:
$(function(){
$('div.res a').click(function(){
alert($(this).attr('href'));
// or alert($(this).hash();
});
});
For Text:
$(function(){
$('div.res a').click(function(){...