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When and why are database joins expensive?
... on you) and are indignantly setting hand to keyboard to tell me that you know for a fact that denormalisation is faster, sorry but you're living in one of the special cases - specifically, the case where you process all of the data, in-order. It's not a general case, and you are justified in your s...
How to embed an autoplaying YouTube video in an iframe?
...but is still posted as an experimental feature.
UPDATE: The iframe API is now fully supported and "Creating YT.Player objects - Example 2" shows how to set "autoplay" in JavaScript.
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Import error: No module name urllib2
...tml = urlopen("http://www.google.com/").read()
print(html)
Your current, now-edited code sample is incorrect because you are saying urllib.urlopen("http://www.google.com/") instead of just urlopen("http://www.google.com/").
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How do you create different variable names while in a loop? [duplicate]
...lists instead, as others propose. Unless, of course, you really wanted to know how to do it, but did not want to use it.
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Storyboard doesn't contain a view controller with identifier
...ls...check my picture:
I also removed the navigation view controller so now the 2 table view controllers are connected directly with a "push" animation.
*****EDIT for XCODE 7.0*****
you have to set the storyboardId(in this case the viewController is embedded in a Navigation controller:
let las...
Put buttons at bottom of screen with LinearLayout?
...1". With this your LinearLayout will occupy the height left on the screen; now you can set the gravity of your Buttons to bottom.
– Ahmad
Feb 8 '13 at 19:18
1
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:: (double colon) operator in Java 8
...urned by some method and we want to sort the employees by their grade. We know we can make use of anonymous class as:
List<Employee> employeeList = getDummyEmployees();
// Using anonymous class
employeeList.sort(new Comparator<Employee>() {
@Override
p...
How to add a right button to a UINavigationController?
...roller = [[PropertyViewController alloc] initWithRootViewController:vc];
Now, this infoButton that has been created programatically will show up in the navigation bar. The idea is that the navigation controller picks up its display information (title, buttons, etc) from the UIViewController that i...
How to change or add theme to Android Studio?
...
Looks like the link is now dead
– Shaheen Ghiassy
Oct 11 '16 at 5:52
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What is a “context bound” in Scala?
...lished, but context bounds are preferred over view bounds (view bounds are now deprecated). One suggestion is that a context bound is preferred when you need to transfer an implicit definition from one scope to another without needing to refer to it directly (this is certainly the case for the Cla...