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Passing parameters in rails redirect_to
... You can't redirect with a POST. From the HTTP 1.1 docs under the 3xx definitions: "The action required MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD." Expand on what you're really trying to accompl...
Is volatile expensive?
... down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
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The command rbenv install is missing
...ub.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
sudo ...
How can I “unuse” a namespace?
...do is putting the using namespace-statement a block to limit it's scope.
Example:
{
using namespace xyzzy;
} // stop using namespace xyzzy here
Maybe you can change the template which is used of your auto-generated headers.
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AsyncTask threads never die
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AsyncTask manages a thread pool, created with ThreadPoolExecutor. It will have from 5 to 128 threads. If there are more than 5 threads, those extra threads will stick around for at most 10 seconds before being removed. (note: these figures are for the presently-visible open source ...
Generate UML Class Diagram from Java Project [closed]
...ation of UML giving the source code. This tool is useful up to Eclipse 4.4.x
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Why does (i
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i <= j is evaluated to true, because auto unboxing happens for int
comparisons and then both i and j hold the default value, 0.
j <= i is evaluated to true because of the above reason.
i != j is evaluated to true, because both i and j are
different objects. And while ...
git-svn not a git command?
...n. See this SO question.
Update: with a modern (2017) Git for Windows 2.x, git svn is already included.
No need for sudo apt-get install git-svn, which would only be possible in a WSL (Windows Subsystem for Linux) shell session anyway.
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Change font size macvim?
...De Ja Vu Vera on my system. Huh. Thanks anyhow!
– Alex
May 22 '10 at 4:02
@Alex: That's interesting. Looks like the do...
How to commit a change with both “message” and “description” from the command line? [duplicate]
... insert mode create a better commit with description how do you want. For example:
Once you have written all that you need, to returns to git, first you should exit insert mode, for that press ESC. Now close the Vim editor with save changes by typing on the keyboard :wq (w - write, q - quit):
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