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Why use the INCLUDE clause when creating an index?
... @gbn, would you mind explaining this sentence in more detail, and explain why it means that the include clause is not useful for sorting, etc: "The INCLUDE clause adds the data at the lowest/leaf level, rather than in the index tree. This makes the index smaller because it's not part of...
Java: Why is the Date constructor deprecated, and what do I use instead?
...
The specific Date constructor is deprecated, and Calendar should be used instead.
The JavaDoc for Date describes which constructors are deprecated and how to replace them using a Calendar.
shar...
How can I count text lines inside an DOM element? Can I?
...using:
var divHeight = document.getElementById('content').offsetHeight;
And divide by the font line height:
document.getElementById('content').style.lineHeight;
Or to get the line height if it hasn't been explicitly set:
var element = document.getElementById('content');
document.defaultView.g...
How to add a WiX custom action that happens only on uninstall (via MSI)?
...ed it out.
There are some solutions online, but none of them really works. And of course there is no documentation.
So in the chart below there are several properties that are suggested to use and the values they have for various installation scenarios:
So in my case I wanted a CA that will run o...
Creating an abstract class in Objective-C
...ct class - by making the methods/ selectors call doesNotRecognizeSelector: and therefore raise an exception making the class unusable.
For example:
- (id)someMethod:(SomeObject*)blah
{
[self doesNotRecognizeSelector:_cmd];
return nil;
}
You can also do this for init.
...
How to sort two lists (which reference each other) in the exact same way
...rt(); zip(*tups)
100000 loops, best of 3: 2.84 us per loop
On the other hand, for larger lists, the one-line version could be faster:
>>> %timeit zip(*sorted(zip(list1, list2)))
100 loops, best of 3: 8.09 ms per loop
>>> %timeit tups = zip(list1, list2); tups.sort(); zip(*tups)
...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
...list of events up in another page, the API itself is tremendously helpful, and all of what I'm discussing below is linked directly from this page.
First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an eleme...
Why is it string.join(list) instead of list.join(string)?
...e any iterable can be joined (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something else than strings will raise t...
Firing events on CSS class changes in jQuery
...that way, when the event is triggered, those events can all happen at once and run their respective functionality. for instance, if i have one object that changes from red to blue and three objects waiting for it to change, when it changes, i can just trigger the changeColor event, and all those obj...
What is the difference between compile and link function in angularjs
...e DOM.
Note that DOM transformations can be done in the compile function and/or the link function.
Most directives only need a link function, since most directives only deal with a specific DOM element instance (and its instance scope).
One way to help determine which to use: consider that the c...