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I want to remove double quotes from a String
...
Assuming:
var someStr = 'He said "Hello, my name is Foo"';
console.log(someStr.replace(/['"]+/g, ''));
That should do the trick... (if your goal is to replace all double quotes).
Here's how it works:
['"] is a character class, matches both single and double quotes. you ca...
Git: can't undo local changes (error: path … is unmerged)
... the file, then checkout, to revert local changes.
Try this:
$ git reset foo/bar.txt
$ git checkout foo/bar.txt
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Extract every nth element of a vector
...ady mentioned) is to use a short logical vector and use vector recycling:
foo[ c( rep(FALSE, 5), TRUE ) ]
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UNIX export command [closed]
...t are marked for export. If you set a variable at the command-line like
$ FOO="bar"
That variable will not be visible in child processes. Not unless you export it:
$ export FOO
You can combine these two statements into a single one in bash (but not in old-school sh):
$ export FOO="bar"
Here...
Rails - link_to helper with data-* attribute [duplicate]
... in... Rails has a default :data hash
= link_to body, url, :data => { :foo => 'bar', :this => 'that' }
One gotcha - you must surround symbols with quotes if they include a dash:
:data => { :'foo-bar' => 'that' }
Update: In Rails 4, underscores are automatically converted to dash...
When and why should I use a namedtuple instead of a dictionary? [duplicate]
...nces of a class like:
class Container:
def __init__(self, name, date, foo, bar):
self.name = name
self.date = date
self.foo = foo
self.bar = bar
mycontainer = Container(name, date, foo, bar)
and not change the attributes after you set them in __init__, you cou...
设置用户默认权限 Umask命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...后演示的方便性，先在Windows上用7-zip创建两个文件：
foo.zip（包括：目录foo_dir，文件foo_file）
bar.tar（包括：目录bar_dir，文件bar_file）
当然，你可以不用Windows，我之所以这样做，只是为了稍后抖个包袱而已。
把这两个文件...
What is the javascript filename naming convention? [closed]
...that it explicitly describes the global namespace pollution being added.
foo.js adds window.foo
foo.bar.js adds window.foo.bar
Because I left out versioning: it should come after the full name, preferably separated by a hyphen, with periods between major and minor versions:
foo-1.2.1.js
foo-...
How do I forward declare an inner class? [duplicate]
...want, but here is a workaround, if you are willing to use templates:
// Foo.h
struct Foo
{
export template<class T> void Read(T it);
};
// Foo.cpp
#include "Foo.h"
#include "Container.h"
/*
struct Container
{
struct Inner { };
};
*/
export template<>
void Foo::Read<...
How can you undo the last git add?
...of files in the current branch, some staged, some not. At some point, some foolish programmer accidentally executed:
9 Answ...