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Jquery insert new row into table at a certain index
I know how to append or prepend a new row into a table using jquery:
9 Answers
9
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Matplotlib: draw grid lines behind other graph elements
In Matplotlib, I make dashed grid lines as follows:
4 Answers
4
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Can anyone explain IEnumerable and IEnumerator to me? [closed]
...h?
You don't use IEnumerable "over" foreach. Implementing IEnumerable makes using foreach possible.
When you write code like:
foreach (Foo bar in baz)
{
...
}
it's functionally equivalent to writing:
IEnumerator bat = baz.GetEnumerator();
while (bat.MoveNext())
{
bar = (Foo)bat.Current...
LINQ .Any VS .Exists - What's the difference?
...eant to be used with the Predicate delegate, but lambda expressions are backward compatible. Also, just List has this (not even IList)
IEnumerable.Any (Extension method - MSDN)
Determines whether any element of a sequence satisfies a condition.
This is new in .NET 3.5 and uses Func(TSource...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...ne can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously:
array = [NSArray arrayWithObjects:a, b, c, nil];
Now:
array = @[ a, b, c ];
NSDictionary Literals
Previously:
dict = [NSDictionary dictionaryWith...
How can I wait for set of asynchronous callback functions?
I have code that looks something like this in javascript:
6 Answers
6
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How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
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How to debug a Flask app
How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what's happening when something goes wrong?
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Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
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You should be able to fake this by using a custom cell to do your header rows. These will then scroll like any other cell in the table view.
You just need to add some logic in your cellForRowAtIndexPath to return the right cell type when it is a he...
Difference between this and self in JavaScript
...t, this will refer to that context, but self will still be window.
// invoke foo with context {}
foo.call({}); // true false false
You can find window.self defined in the W3C 2006 working draft for the Window Object here.
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