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Is there a way to automate the android sdk installation?
... of a package to install or uninstall.
Multiple --package_file arguments may be specified in combination
with explicit paths.
In its second form (with --update), all installed packages are
updated to the latest version.
In its third form, all installed and available packages are pr...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
... So just follow the sed -i with single quotes, sed -i '1i export PATH="$HOME/.composer/vendor/bin:$PATH"' $HOME/.bashrc Still does not work for me
– pal4life
May 7 '14 at 14:39
11...
How to keep onItemSelected from firing off on a newly instantiated Spinner?
I've thought of some less than elegant ways to solve this, but I know I must be missing something.
33 Answers
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Why does Math.Round(2.5) return 2 instead of 3?
... a .NET bug. C# is the language - it doesn't decide how Math.Round is implemented.
And secondly, no - if you read the docs, you'll see that the default rounding is "round to even" (banker's rounding):
Return ValueType: System.DoubleThe integer nearest a. If the
fractional component of a is ha...
When to use virtual destructors?
...a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors.
17 Answers
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Purging file from Git repo failed, unable to create new backup
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You have already performed a filter-branch operation. After filter-branch, Git keeps refs to the old commits around, in case something goes wrong.
You can find those in .git/refs/original/…. Either delete that directory and all files within, or...
How to remove leading and trailing whitespace in a MySQL field?
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How do I convert a Ruby class name to a underscore-delimited symbol?
How can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly?
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How to drop columns by name in a data frame
...her indexing or the subset function. For example :
R> df <- data.frame(x=1:5, y=2:6, z=3:7, u=4:8)
R> df
x y z u
1 1 2 3 4
2 2 3 4 5
3 3 4 5 6
4 4 5 6 7
5 5 6 7 8
Then you can use the which function and the - operator in column indexation :
R> df[ , -which(names(df) %in% c("z","u")...
Vim: Move window left/right?
... @David Wolever, you need to use the upper case letters in this case, something like: Ctrl-W + Shift-L, for example. I think this can be what you are looking for.
– Ricardo Valeriano
Feb 9 '11 at 20:28
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