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Swift: Pass array by reference?
...n, Reflectable, ... {
var array : Array<T>
// ...
subscript (index: Int) -> T {
get { return array[index] }
set(newValue) { array[index] = newValue }
}
}
Use the BoxedArray anywhere you'd use an Array. Assigning of a BoxedArray will be by reference, it is a class, and ...
PostgreSQL - max number of parameters in “IN” clause?
... worry about overloading the query plan optimizer or getting plans without index usage, since it will transform the query to use = ANY({...}::integer[]) where it can leverage indices as expected:
-- prepare statement, runs instantaneous:
PREPARE hugeplan (integer, integer, integer, ...) AS
SELECT *...
Html.ActionLink as a button or an image, not a link
...lass to the htmlAttributes object.
<%= Html.ActionLink("Button Name", "Index", null, new { @class="classname" }) %>
and then create a class in your stylesheet
a.classname
{
background: url(../Images/image.gif) no-repeat top left;
display: block;
width: 150px;
height: 150...
Escape double quotes in a string
Double quotes can be escaped like this:
6 Answers
6
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Python Dictionary Comprehension
...1)
x_s = range(1, 11)
# x_s = range(11, 1, -1) # Also works
d = dict([(i_s[index], x_s[index], ) for index in range(len(i_s))])
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How to Convert all strings in List to lower case using LINQ?
...
[TestMethod]
public void LinqStringTest()
{
List<string> myList = new List<string> { "aBc", "HELLO", "GoodBye" };
myList = (from s in myList select s.ToLower()).ToList();
Assert.AreEqual(myList[0], "abc");
Assert.AreEqual(myL...
How to select a node using XPath if sibling node has a specific value?
...
Not sure why everybody is querying for siblings, you can also check for <bb/>-elements matching the predicate from <a/>'s predicate:
//a[bb/text() = "zz"]/cc/text()
...
How do I store an array in localStorage? [duplicate]
...y "length" to determine the count of saved objects and the method "key(int index)" to get the current key. So you can try: for (var i = 0; i < localStorage.length; i++) console.log( localStorage.key(i) +" has value " + localStorage[localStorage.key(i)] )
– Sebastian
...
Find the files that have been changed in last 24 hours
...-name option to find specific file types, for instance: find /var -name "*.php" -mtime -1 -ls
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push_back vs emplace_back
...CV10 is non conforming and redundant, because as you noted it is strictly equivalent to push_back(Type&& _Val).
But the real C++0x form of emplace_back is really useful: void emplace_back(Args&&...);
Instead of taking a value_type it takes a variadic list of arguments, so that mean...