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Press alt + numeric in bash and you get (arg [numeric]) what is that?
...en that many times, same as in Emacs. E.g. M-1-0 C-p moves back 10 history items. M-4 C-h backspaces four characters, M-3 M-t moves the previous word forward three times, and so on. Here I use M- meaning "meta" for the Alt key, as is the custom in Bash.
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Cluster analysis in R: determine the optimal number of clusters
Being a newbie in R, I'm not very sure how to choose the best number of clusters to do a k-means analysis. After plotting a subset of below data, how many clusters will be appropriate? How can I perform cluster dendro analysis?
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'Must Override a Superclass Method' Errors after importing a project into Eclipse
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With Eclipse Galileo you go to Eclipse -> Preferences menu item, then select Java and Compiler in the dialog.
Now it still may show compiler compliance level at 1.6, yet you still see this problem. So now select the link "Configure Project Specific Settings..." and in there you'll ...
Best JavaScript compressor [closed]
What is the the best JavaScript compressor available? I'm looking for a tool that:
13 Answers
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Visual Studio 2010 shortcut to find classes and methods?
...e organized by assembly/container or by namespace and other preferences.
Items can be right-clicked to find, copy and filter.
For keyboard navigation, use Ctrl+K,Ctrl+R from anywhere to start a new search, Enter to execute the search you just typed or pasted and Ctrl+F6 to make the Object Browser...
How to convert a file into a dictionary?
...ilter out lines not starting with an integer or not containing exactly two items
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How can I convert ereg expressions to preg in PHP?
...gs: If some substring is not found at all ((b) in ...a(b)?), corresponding item in ereg() result will be FALSE, while in preg_match() it will not be set at all.
If one is not brave enough to convert his or her ereg() to preg_match(), he or she may use mb_ereg(), which is still available in PHP 7.
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Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
...px 15px rgba(0, 0, 0, .1); display: flex; flex-direction: column; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/imag...
Background color of text in SVG
...fill:black">Hello World!</text>
</svg>
A duplicate text item is being placed, with stroke and stroke-width attributes. The stroke should match the background colour, and the stroke-width should be just big enough to create a "splodge" on which to write the actual text.
A bit of a...
Is it possible to preview stash contents in git?
...a fan of gitk's graphical UI to visualize git repos. You can view the last item stashed with:
gitk stash
You can also use view any of your stashed changes (as listed by git stash list). For example:
gitk stash@{2}
In the below screenshot, you can see the stash as a commit in the upper-left, w...