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Force DOM redraw/refresh on Chrome/Mac
...a while, Chrome will render perfectly valid HTML/CSS incorrectly or not at all. Digging in through the DOM inspector is often enough to get it to realize the error of its ways and redraw correctly, so it's provably the case that the markup is good. This happens frequently (and predictably) enough...
Where does Vagrant download its .box files to?
...d to store the .box temporarily whilst downloading but is deleted upon installation within Vagrant.
– Luke Peterson
May 14 '15 at 23:13
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How to import load a .sql or .csv file into SQLite?
...rst line of the CSV will be used as column names; if the table does exist, all rows are treated as data.
– alttag
Dec 1 '16 at 22:52
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How to center a button within a div?
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-1 this is awful. Basically, you set the width to 100% and then the margin to -50. But is causes other problems, like the button rises above the containing element, and doesn't work well with resizing.
– CodyBugstein
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How to do a safe join pathname in ruby?
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One thing to note. Ruby uses a "/" for file separator on all platforms, including Windows, so you don't actually need use different code for joining things together on different platforms. "C:/tmp/1.text" should work fine.
File.join() is your friend for joining paths together.
p...
optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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Though I really like the compact syntax of hgimenez's suggestion (above), this approach has the advantage of being very clear re: what's going on. (Still has the downside of not letting you pass nil as a value for the local)
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object==null or null==object?
... {
The convention of putting the constant on the left side of == isn't really useful in Java since Java requires that the expression in an if evaluate to a boolean value, so unless the constant is a boolean, you'd get a compilation error either way you put the arguments. (and if it is a boolean, y...
System.BadImageFormatException: Could not load file or assembly (from installutil.exe)
I am trying to install a Windows service using InstallUtil.exe and am getting the error message
15 Answers
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Undo part of unstaged changes in git
...e diff between your working copy and index to revert. Likewise, git add -p allows you to choose hunks to add to the index, and git reset -p allows you to choose individual hunks from the diff between the index and HEAD to back out of the index.
$ git checkout -p file/to/partially/revert
# or ...
$ ...
How to pick a new color for each plotted line within a figure in matplotlib?
...at the bottom of this answer: stackoverflow.com/questions/4805048/… Basically you just do this: [colormap(i) for i in np.linspace(0, 0.9, num_plots)], where colormap is one of the colormaps in matplotlib.pyplot.cm and numplots is the number of unique colors that you want. Beware that this can res...