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Make $JAVA_HOME easily changable in Ubuntu [closed]
In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6.
8 Answers
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CSS: Change image src on img:hover
...at is set as the background as like
div {
background: url('http://dummyimage.com/100x100/000/fff');
}
div:hover {
background: url('http://dummyimage.com/100x100/eb00eb/fff');
}
And if you think you can use some javascript code then you should be able to change the src of the img tag as b...
Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...hat can be tricky to implement and may introduce visual artifacts.
Still, my personal preference is to keep as much in SVG as possible, and use Canvas only for the "inner loop" when rendering is the bottleneck. SVG has so many conveniences for development—such as CSS, data-joins and the element i...
How to implement LIMIT with SQL Server?
I have this query with MySQL:
18 Answers
18
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Plot two histograms on single chart with matplotlib
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Not sure if hold(True) is set in my matplotlib config params or pyplot behaves like this by default, but for me the code works as it is. The code is extracted from a bigger application which is not giving any problem so far. Anyway, good question I already ...
How to find the Windows version from the PowerShell command line
... which may look like: 9600.19179.amd64fre.winblue_ltsb_escrow.181015-1847. My guess is that the 181015 part is the build date, whereas the 1847 is build or release version. You may also need to compare this to kernel, hal.
– not2qubit
Dec 11 '18 at 9:12
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Coding Practices which enable the compiler/optimizer to make a faster program
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Generic Optimizations
Here as some of my favorite optimizations. I have actually increased execution times and reduced program sizes by using these.
Declare small functions as inline or macros
Each call to a function (or method) incurs overhead, such as push...
Facebook Like Button - how to disable Comment pop up?
... pops up when a user clicks the Facebook (fbml) Like button I've placed on my site. Is this possible to do? I can't find any details in the documentation.
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Unsafe JavaScript attempt to access frame with URL
... re-direct page to the desired domain. The other domain then showed up in my iframe without any errors.
Worked like a charm.:)
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Mac zip compress without __MACOSX folder?
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See my answer for an easy way to delete the _MACOSX folder after the zip file is created.
– Chris Johnson
Jun 23 '16 at 15:18
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