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How to remove items from a list while iterating?
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list(somelist) will convert an iterable into a list. somelist[:] makes a copy of an object that supports slicing. So they don't necessarily do the same thing. In this case I want to make a copy of the somelistobject, so I use [:]
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Check if a string is a date value
.../ You want to check again for !isNaN(parsedDate) here because Dates can be converted
// to numbers, but a failed Date parse will not.
if (isNaN(date) && !isNaN(parsedDate)) {
/* do your work */
}
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Calling startActivity() from outside of an Activity?
I'm using an AlarmManager to trigger an intent that broadcasts a signal. The following is my code:
9 Answers
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How to implement a Map with multiple keys? [duplicate]
... One Map<K1, V> and one Map<K2, V>. If you must have a single interface, write a wrapper class that implements said methods.
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Fragment Inside Fragment
...MainActivity extends AppCompatActivity implements ParentFragment.OnFragmentInteractionListener, ChildFragment.OnFragmentInteractionListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_m...
Are static variables shared between threads?
...by another thread, as the JIT is quite within its rights to foist the read into a register and then you'll never see any update. Any eventual load is luck and should not be relied on.
– Jed Wesley-Smith
Feb 8 '11 at 22:24
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How can I generate a unique ID in Python? [duplicate]
...s:
21.15. uuid — UUID objects according to RFC 4122
eg:
import uuid
print uuid.uuid4()
7d529dd4-548b-4258-aa8e-23e34dc8d43d
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RestSharp JSON Parameter Posting
...ct(new { A = "foo", B = "bar" }) too which takes the object properties and converts them into parameters
– John Sheehan
Jun 11 '11 at 3:33
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PHP code to remove everything but numbers
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@Qtax: good point, yeah I know that's where we get the word "grep" from ("g/re/p")
– Chris Eberle
Jul 7 '11 at 0:39
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What does the 'static' keyword do in a class?
...an be one per ClassLoader or AppDomain or thread, but that is beside the point.
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