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Using git commit -a with vim
...ile with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and exit vim. This is also easier for some people as it's the same ke...
Calculating moving average
... R not containing future values of given timestamp? I checked forecast::ma and it contains all neighbourhood, not right.
– hhh
Sep 7 '18 at 20:52
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jQuery select all except first
... all but the first of an element? So in the following code only the second and third element would be accessed. I know I can access them manually but there could be any number of elements so thats not possible. Thanks.
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Capture key press (or keydown) event on DIV element
...n readers for visually impaired users (it will skip everything on the page and go straight to any tabindex above 0). tabindex="0" makes it "tabbable." you can have infinite elements with tabindex="0"
– zonabi
Feb 29 '16 at 18:26
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Function of Project > Clean in Eclipse
...ders that you have in your project (they can choose to interpret clean command however they like) and whether you have auto-build turned on. If auto-build is on, invoking clean is equivalent of a clean build. First artifacts are removed, then a full build is invoked. If auto-build is off, clean will...
Pandas - How to flatten a hierarchical index in columns
... answered Jan 24 '13 at 18:37
Andy HaydenAndy Hayden
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Ignore outliers in ggplot2 boxplot
...gplot(df, aes(y = y)) + geom_boxplot(aes(x = factor(1)))
# compute lower and upper whiskers
ylim1 = boxplot.stats(df$y)$stats[c(1, 5)]
# scale y limits based on ylim1
p1 = p0 + coord_cartesian(ylim = ylim1*1.05)
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Why should Java ThreadLocal variables be static
... avoid any static fields in your class - make the class itself a singleton and then you can safely use the an instance level ThreadLocal as long as you have that singleton available globally.
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How to take emulator screenshots using Eclipse?
I need to take screenshots of an android application running on an emulator in Eclipse Galileo.
6 Answers
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Why are my basic Heroku apps taking two seconds to load?
... gets unloaded (from the server memory).
On the first hit it gets loaded and stays loaded until some time passes without anyone accessing it.
This is done to save server resources. If no one uses your app why keep resources busy and not let someone who really needs use them ?
If your app has a ...