大约有 6,261 项符合查询结果（耗时：0.0133秒） [XML]
Replacing a char at a given index in string? [duplicate]
...ew string(chars);
}
This is now an extension method so you can use:
var foo = "hello".ReplaceAt(2, 'x');
Console.WriteLine(foo); // hexlo
It would be nice to think of some way that only required a single copy of the data to be made rather than the two here, but I'm not sure of any way of doing ...
linq query to return distinct field values from a list of objects
...
Sure, use Enumerable.Distinct.
Given a collection of obj (e.g. foo), you'd do something like this:
var distinctTypeIDs = foo.Select(x => x.typeID).Distinct();
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Add a prefix to all Flask routes
..._)
app.debug = True
app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix='/foo')
@app.route('/bar')
def bar():
return "The URL for this page is {}".format(url_for('bar'))
if __name__ == '__main__':
app.run('0.0.0.0', 9010)
Visit http://localhost:9010/foo/bar,
You will get the right re...
Is there a better way to express nested namespaces in C++ within the header
...HELPER, _Namespace, __VA_ARGS__)
Now you can do this:
NAMESPACE_BEGIN(Foo, Bar, Baz)
class X { };
NAMESPACE_END(Baz, Bar, Foo) // order doesn't matter, NAMESPACE_END(a, b, c) would work equally well
Foo::Bar::Baz::X x;
For nesting deeper than three levels you would have to add helper macro...
How to duplicate a whole line in Vim?
...of :t.
This can be really powerful if you combine it with :g or :v:
:v/foo/m$ will move all lines not matching the pattern “foo” to the end of the file.
:+,$g/^\s*class\s\+\i\+/t. will copy all subsequent lines of the form class xxx right after the cursor.
Reference: :help range, :help :t,...
Using Git how do I find changes between local and remote
... isn't configured with an upstream. To fix, run git branch --set-upstream foo origin/foo.
– Richard Hansen
Oct 1 '11 at 18:18
...
How to get innerHTML of DOMNode?
...php
$doc = new \DOMDocument();
$doc->loadHTML("<body><div id='foo'><p>This is <b>an <i>example</i></b> paragraph<br>\n\ncontaining newlines.</p><p>This is another paragraph.</p></div></body>");
print innerHTML($doc-&g...
Delete empty lines using sed
...er solutions can preserve the original colors. Compare unbuffer apt search foo | grep . to unbuffer apt search foo | grep -v ^$
– wisbucky
Apr 25 '19 at 23:12
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...
Variable name as a string in Javascript
...and be able to retrieve both.
var obj = { myFirstName: 'John' };
obj.foo = 'Another name';
for(key in obj)
console.log(key + ': ' + obj[key]);
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How do you create a Distinct query in HQL
...anged to protect identities)
String queryString = "select distinct f from Foo f inner join foo.bars as b" +
" where f.creationDate >= ? and f.creationDate < ? and b.bar = ?";
return getHibernateTemplate().find(queryString, new Object[] {startDate, endDate, bar});
...