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How to hide one item in an Android Spinner
I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...
Nullable vs. int? - Is there any difference?
Apparently Nullable<int> and int? are equivalent in value. Are there any reasons to choose one over the other?
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$(this).serialize() — How to add a value?
...) to get an array from the form data, modify it, and use jQuery.param() to convert it to a url-encoded form. This way, jQuery handles the serialisation of your extra data for you.
var data = $(this).serializeArray(); // convert form to array
data.push({name: "NonFormValue", value: NonFormValue});
$...
Must qualify the allocation with an enclosing instance of type GeoLocation
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Another option, and the one I prefer, would be to set the inner class to be static.
public static class ThreadTask implements Runnable { ... }
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Sort an array in Java
...o make a program that consists of an array of 10 integers which all has a random value, so far so good.
17 Answers
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Display current time in 12 hour format with AM/PM
...nks @RuchiraGayanRanaweei... i just wondering to capture the 24 format and convert it into the AM/PM format...
– gumuruh
Aug 6 '14 at 3:26
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Fixed size queue which automatically dequeues old values upon new enques
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I would write a wrapper class that on Enqueue would check the Count and then Dequeue when the count exceeds the limit.
public class FixedSizedQueue<T>
{
ConcurrentQueue<T> q = new ConcurrentQueue<T>();
private object lockObject = new object();
public int ...
Plotting time in Python with Matplotlib
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You must first convert your timestamps to Python datetime objects (use datetime.strptime). Then use date2num to convert the dates to matplotlib format.
Plot the dates and values using plot_date:
dates = matplotlib.dates.date2num(list_of_d...
How to create JSON string in JavaScript?
...bj = new Object();
obj.name = "Raj";
obj.age = 32;
obj.married = false;
//convert object to json string
var string = JSON.stringify(obj);
//convert string to Json Object
console.log(JSON.parse(string)); // this is your requirement.
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Decimal separator comma (',') with numberDecimal inputType in EditText
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A workaround (until Google fix this bug) is to use an EditText with android:inputType="numberDecimal" and android:digits="0123456789.,".
Then add a TextChangedListener to the EditText with the following afterTextChanged:
public void afterTextChanged(Editable s) {
double doubleValue = 0...