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Opening the Settings app from another app
...ow that there are many question about it, but they are all from many time ago.
17 Answers
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How to gzip all files in all sub-directories into one compressed file in bash
This post describes how to gzip each file individually within a directory structure. However, I need to do something slightly different. I need to produce one big gzip file for all files under a certain directory. I also need to be able to specify the output filename for the compressed file (e.g., ...
(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
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Copy and paste content from one file to another file in vi
...into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different files. How is this done?
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Getting All Variables In Scope
Is there a way to get all variables that are currently in scope in javascript?
10 Answers
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Plot two graphs in same plot in R
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lines() or points() will add to the existing graph, but will not create a new window. So you'd need to do
plot(x,y1,type="l",col="red")
lines(x,y2,col="green")
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How to delete/unset the properties of a javascript object? [duplicate]
I'm looking for a way to remove/unset the properties of a JS object so they'll no longer come up if I loop through the object doing for (var i in myObject) . How can this be done?
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Avoid trailing zeroes in printf()
I keep stumbling on the format specifiers for the printf() family of functions. What I want is to be able to print a double (or float) with a maximum given number of digits after the decimal point. If I use:
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promise already under evaluation: recursive default argument reference or earlier problems?
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Formal arguments of the form x=x cause this. Eliminating the two instances where they occur we get:
f <- function(x, T) {
10 * sin(0.3 * x) * sin(1.3 * x^2) + 0.001 * x^3 + 0.2 * x + 80
}
g <- function(x, T, f. = f) { ##...
How to search through all Git and Mercurial commits in the repository for a certain string?
I have a Git repository with few branches and dangling commits. I would like to search all such commits in repository for a specific string.
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