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How to close activity and go back to previous activity in android
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I think you are calling finish() method in MainActivity before starting SettingsActivity.
The scenario which you have described will occur in following two ways:
EITHER
You have set android:noHistory = "true" for MainActivity inside AndroidManifest.xml which causes MainActivity to...
Captured variable in a loop in C#
...s of implementation) if you refer to variables in multiple scopes, but it works :)
Note that a more common occurrence of this problem is using for or foreach:
for (int i=0; i < 10; i++) // Just one variable
foreach (string x in foo) // And again, despite how it reads out loud
See section 7.14...
Better way to sum a property value in an array
...swer to provide an alternative that keeps the syntax similar to the syntax originally requested in the question.
class TravellerCollection extends Array {
sum(key) {
return this.reduce((a, b) => a + (b[key] || 0), 0);
}
}
const traveler = new TravellerCollection(...[
{ descr...
node.js database [closed]
I'm looking for a database to pair with a node.js app. I'm assuming a json/nosql db would be preferable to a relational DB [I can do without any json/sql impedance mismatch]. I'm considering:
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Why maven? What are the benefits? [closed]
...e main benefits of using maven compared to let's say ant ?
It seems to be more of a annoyance than a helpful tool.
I use maven 2, with plain Eclipse Java EE (no m2eclipse), and tomcat.
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How to find the duration of difference between two dates in java?
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This answer ignores time zones which define the beginning and ending of days. This answer ignores Daylight Saving Time and other anomalies that mean a day is not always 24 hours in length. See the correct answers that use either Joda-Time o...
Using CSS to affect div style inside iframe
...x your JavaScript command with the name of the iframe.
Remember, the same origin policy applies, so you can only do this to an iframe element which is coming from your own server.
I use the Prototype framework to make it easier:
frame1.$('mydiv').style.border = '1px solid #000000'
or
frame1.$(...
Add icon to submit button in twitter bootstrap 2
I want to use the twitter bootstrap icons on my form input submit buttons.
12 Answers
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What does (function($) {})(jQuery); mean?
...gins without actually knowing what it means. Can someone tell me a little more about these? Perhaps an explanation will come in handy someday when writing a framework :)
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Is there a built in function for string natural sort?
Using Python 3.x, I have a list of strings for which I would like to perform a natural alphabetical sort.
18 Answers
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