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How to show a dialog to confirm that the user wishes to exit an Android Activity?
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In Android 2.0+ this would look like:
@Override
public void onBackPressed() {
new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle("Closing Activity")
.setMessage("Are you sure you want to close...
Java: is there a map function?
I need a map function. Is there something like this in Java already?
6 Answers
6
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How to save a plot as image on the disk?
I plot a simple linear regression using R.
I would like to save that image as PNG or JPEG, is it possible to do it automatically? (via code)
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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
...set the timezone only added a Z to the end of the date/time, so it will look like a GMT date/time but this doesn't change the value.
Set the timezone to GMT and it will be correct.
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
sdf.setTimeZone(TimeZone.getTimeZone("GMT"))...
python pandas: apply a function with arguments to a series
...n). So now you can do:
my_series.apply(your_function, args=(2,3,4), extra_kw=1)
The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The apply method accepts a python function which should have a single param...
Mock functions in Go
...ith dependencies. I want to be able to replace some function calls with mock ones. Here's a snippet of my code:
6 Answers
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Create an empty object in JavaScript with {} or new Object()?
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Objects
There is no benefit to using new Object(); - whereas {}; can make your code more compact, and more readable.
For defining empty objects they're technically the same. The {} syntax is shorter, neater (less Java-ish), and allows you to instantly populate the object inline - like so:
var...
How do I UPDATE from a SELECT in SQL Server?
...6
Dai
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answered Feb 25 '10 at 14:39
Robin DayRobin...
findViewById in Fragment
...ed in the XML for the Fragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)
...bit box).
Reading from the Path environment variable
In addition I'd check the dependencies of the DLL, the dependency walker provided with Visual Studio can help you out here, it can also be downloaded for free: http://www.dependencywalker.com
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