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How do I find which rpm package supplies a file I'm looking for?
...ut and speed of the repoquery tool, available in the yum-utils package.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5.x86_64
grep-0:2.5.1-55.el5.x86_64
repoquery can do other queries such as listing package contents, dependencies, reverse-dependencies, etc.
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INSERT INTO vs SELECT INTO
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They do different things. Use INSERT when the table exists. Use SELECT INTO when it does not.
Yes. INSERT with no table hints is normally logged. SELECT INTO is minimally logged assuming proper trace flags are set.
In my exp...
How do I execute a program from Python? os.system fails due to spaces in path
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It is much simpler to use raw string in windows: r"C:\Temp\a b c\Notepad.exe"
– PierreBdR
Oct 15 '08 at 9:11
1
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How do I check if a number is positive or negative in C#?
How do I check if a number is positive or negative in C#?
17 Answers
17
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Create a “with” block on several context managers? [duplicate]
... and 3.1 and above, you can write:
with A() as X, B() as Y, C() as Z:
do_something()
This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods.
In Python 3.3, you can enter an unknown-length list of context mana...
How can I replace a newline (\n) using sed?
...re before the last line, branch to the created label $!ba ($! means not to do it on the last line as there should be one final newline).
Finally the substitution replaces every newline with a space on the pattern space (which is the whole file).
Here is cross-platform compatible syntax which works...
How do I specify local .gem files in my Gemfile?
...h I install via gem install xx.gem . Can I tell Bundler to use them? Or do I have to specify the source path?
7 Answers
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Move assignment operator and `if (this != &rhs)`
...y need to check if the object being assigned is the invoking object so you don't screw things up:
6 Answers
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How do I print the elements of a C++ vector in GDB?
I want to examine the contents of a std::vector in GDB, how do I do it? Let's say it's a std::vector<int> for the sake of simplicity.
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How do I repeat an edit on multiple lines in Vim?
...i789ghi
if you hit Ctrl-v with your cursor over the 1, hit j twice to go down two columns, then Shift-i,ESC , your text would look like this:
abc,123abc
def,456def
ghi,789ghi
(the multi-line insert has a little lag, and won't render until AFTER you hit ESC).
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