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Painless way to install a new version of R?
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Just for completeness, there are some ways to prevent you from having this problem. As Dirk said, save your packages in another directory on your computer.
install.packages("thepackage",lib="/path/to/directory/with/libraries")
You...
Remove all the elements that occur in one list from another
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Python has a language feature called List Comprehensions that is perfectly suited to making this sort of thing extremely easy. The following statement does exactly what you want and stores the result in l3:
l3 = [x for x in l1 if x not in l2]
l3 will contain [1, 6...
PHP - Check if two arrays are equal
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According to this page.
NOTE: The accepted answer works for associative arrays, but it will no...
How to extract a string using JavaScript Regex?
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add a comment
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How can I list all the deleted files in a Git repository?
...b5c1da73c432cb3fb61990bdcf6f64
delete mode 100644 blah/some_dir/file3 9c89b91d8df7c95c6043184154c476623414fcb7
You'll get all files deleted from some_dir (see the sed command) together with the commit number in which it happen. Any sed regex will do (I use this to find deleted file types, etc)
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How do we use runOnUiThread in Android?
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Just wrap it as a function, then call this function from your background thread.
public void d...
Removing all non-numeric characters from string in Python
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What is the difference between call and apply?
...rameters be listed explicitly. A useful mnemonic is "A for array and C for comma."
See MDN's documentation on apply and call.
Pseudo syntax:
theFunction.apply(valueForThis, arrayOfArgs)
theFunction.call(valueForThis, arg1, arg2, ...)
There is also, as of ES6, the possibility to spread the array...
Are there any smart cases of runtime code modification?
...rating code at run time can be useful for:
Some virtual machines use JIT compilation to improve performance.
Generating specialized functions on the fly has long been common in computer graphics. See e.g. Rob Pike and Bart Locanthi and John Reiser Hardware Software Tradeoffs for Bitmap Graphics on...
HTTP 404 Page Not Found in Web Api hosted in IIS 7.5
...tion, too? Or may be a library reference? Please, also, see: stackoverflow.com/questions/27303523/…
– Babak
Dec 6 '14 at 11:08
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