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Fork and synchronize Google Code Subversion repository into GitHub
...lone the Subversion repository and push to the Git:
git svn clone https://foo.googlecode.com/svn/ git-foo
cd git-foo
git remote add git-foo git@github.com:username/foo.git
git push git-foo master
After committing in the Subversion repository, run
cd /path/to/git-foo
git svn fetch
git svn reba...
Remove excess whitespace from within a string
...ce of multiple whitespaces " "* with a single whitespace " ".
Example:
$foo = preg_replace('/\s+/', ' ', $foo);
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How do you organise multiple git repositories, so that all of them are backed up together?
...synchronizing between the multiple parties:
$ cd ~/dev
$ git clone /repos/foo.git # or the one from github, ...
$ cd foo
$ git remote add github ...
$ git remote add memorystick ...
You can then fetch/pull from each of the "sources", work and commit
locally, and then push ("backup") to each...
__getattr__ on a module
...ule via m = ModuleType("mod") and set m.__getattr__ = lambda attr: return "foo"; however, when I run from mod import foo, I get TypeError: 'module' object is not iterable.
– weberc2
Jan 14 at 22:49
...
General suggestions for debugging in R
...
to see the call stack. Here is an example.
> options(warn = 2)
> foo <- function(x) bar(x + 2)
> bar <- function(y) warning("don't want to use 'y'!")
> foo(1)
Error in bar(x + 2) : (converted from warning) don't want to use 'y'!
> traceback()
7: doWithOneRestart(return(expr)...
What exactly is a reentrant function?
...:
#include <mutex>
typedef void (*callback)();
std::mutex m;
void foo(callback f)
{
m.lock();
// use the resource protected by the mutex
if (f) {
f();
}
// use the resource protected by the mutex
m.unlock();
}
Another function could well need to lock the ...
What would a “frozen dict” be?
... x == y
True
>>> x == {'a': 1, 'b': 2}
True
>>> d = {x: 'foo'}
>>> d[y]
'foo'
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ReSharper warns: “Static field in generic type”
...urse we wouldn't normally have public fields, but...
public static int Foo;
}
public class Test
{
public static void Main()
{
Generic<string>.Foo = 20;
Generic<object>.Foo = 10;
Console.WriteLine(Generic<string>.Foo); // 20
}
}
As you can ...
What are the differences between JSON and JavaScript object? [duplicate]
...st be quoted, while in object literals this is not necessary:
// JSON:
{ "foo": "bar" }
// Object literal:
var o = { foo: "bar" };
The quotes are mandatory on JSON because in JavaScript (more exactly in ECMAScript 3rd. Edition), the usage of reserved words as property names is disallowed, for ex...
Passing additional variables from command line to make
...ment operator, it only has an effect if the variable is not yet defined):
FOO?=default_value_if_not_set_in_environment
Note that certain variables are not inherited from environment:
MAKE is gotten from name of the script
SHELL is either set within a makefile, or defaults to /bin/sh (rationale:...