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What do you call the -> operator in Ruby?
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Fastest way to count exact number of rows in a very large table?
I have come across articles that state that SELECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
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Can I delete a git commit but keep the changes?
In one of my development branches, I made some changes to my codebase. Before I was able to complete the features I was working on, I had to switch my current branch to master to demo some features. But just using a "git checkout master" preserved the changes I also made in my development branch, th...
Create a pointer to two-dimensional array
...its underlying data is made of other arrays), which consists of boundaries set by the array beyond the first dimension.
This 'partition' logic cannot exist within a pointer unless we specify it:
int a[4][5][95][8];
int (*p)[5][95][8];
p = a; // p = *a[0] // p = a+0
Otherwise, the meaning of th...
How can I keep Bootstrap popovers alive while being hovered?
...de');
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<link data-require="bootstrap-css@*" data-se...
Serializing with Jackson (JSON) - getting “No serializer found”?
I get the an exception when trying to serialize a very simple object using Jackson. The error:
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Url.Action parameters?
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How to place and center text in an SVG rectangle
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An easy solution to center text horizontally and vertically in SVG:
Set the position of the text to the absolute center of the element in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x of that element + half its...
How to automatically install Emacs packages by specifying a list of package names?
... package to manage my Emacs extensions. In order to synchronize my Emacs settings on different computers, I'd like a way to specify a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manually by call...
How do I get the name of captured groups in a C# Regex?
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