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Using the “animated circle” in an ImageView while loading stuff
...his via Google or right here on SO. I would highly recommend spending the time to learn how to use this combination of classes to perform a task like this. It is incredibly useful across many types of applications and will give you a great insight into how Threads and Handlers can work together.
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C++11 rvalues and move semantics confusion (return statement)
...;rval_ref = return_vector();
In the second example you have created a run time error. rval_ref now holds a reference to the destructed tmp inside the function. With any luck, this code would immediately crash.
Third example
std::vector<int> return_vector(void)
{
std::vector<int> t...
What does the “yield” keyword do?
...ed () instead of []. BUT, you cannot perform for i in mygenerator a second time since generators can only be used once: they calculate 0, then forget about it and calculate 1, and end calculating 4, one by one.
Yield
yield is a keyword that is used like return, except the function will return a ge...
What's “this” in JavaScript onclick?
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@Dave: Fair enough. By the time I wrote this the main question was already answered. My answer should probably have been a comment but I suspect I may not have had enough rep to add a comment at the time. Live and learn.
– Tim Dow...
onNewIntent() lifecycle and registered listeners
...o not use these listeners inside of onNewIntent(). For example most of the time my onNewIntent() methods simply looks like this:
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// getIntent() should always return the most recent
setIntent(intent);
}
Wi...
CSS Box Shadow Bottom Only [duplicate]
How can I do this? I want my element to look as though it has a shadow underline. I don't want the shadow for the other 3 sides.
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What are the differences between “git commit” and “git push”?
In a Git tutorial I'm going through, git commit is used to store the changes you've made.
15 Answers
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Sorting HashMap by values [duplicate]
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Please be aware that the given algorithm has a time complexity of O(n^2) due to repeatedly looking up in values in two while loops. Converting the Entry Set to a List and then sorting the List based on a comparator would be a more efficient solution.
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Run an OLS regression with Pandas Data Frame
...: Thu, 14 Nov 2013 Prob (F-statistic): 0.421
Time: 20:04:30 Log-Likelihood: -18.178
No. Observations: 5 AIC: 42.36
Df Residuals: 2 BIC: ...
{" was not expected.} Deserializing Twitter XML
... your root entity with the XmlRoot attribute which will be used at compile time.
[XmlRoot(Namespace = "www.contoso.com", ElementName = "MyGroupName", DataType = "string", IsNullable=true)]
Or specify the root attribute when de serializing at runtime.
XmlRootAttribute xRoot = new XmlRootAttribute...