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What are static factory methods?
...e(). The constructors are marked private, so they cannot be called except from inside the class, and the factory method is marked as static so that it can be called without first having an object.
There are a few advantages to this pattern. One is that the factory can choose from many subclasses ...
How to get UTC time in Python?
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Try this code that uses datetime.utcnow():
from datetime import datetime
datetime.utcnow()
For your purposes when you need to calculate an amount of time spent between two dates all that you need is to substract end and start dates. The results of such substraction ...
How to pass a variable from Activity to Fragment, and pass it back?
...ents();
int index = args.getInt("index", 0);
If you want now communicate from your fragment with your activity (sending or not data), you need to use interfaces. The way you can do this is explained really good in the documentation tutorial of communication between fragments. Because all fragments...
How to pass data from 2nd activity to 1st activity when pressed back? - android
...with startActivityForResult and use setResult method for sending data back from Activity2 to Activity1. In Activity1 you will need to override onActivityResult for updating TextView with EditText data from Activity2.
For example:
In Activity1, start Activity2 as:
Intent i = new Intent(this, Activ...
Web scraping with Python [closed]
I'd like to grab daily sunrise/sunset times from a web site. Is it possible to scrape web content with Python? what are the modules used? Is there any tutorial available?
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How to prevent open last projects when intellij idea start
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Also works for other IDE's from JetBrains such as CLion.
– gbmhunter
Jun 27 '17 at 21:42
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Expert R users, what's in your .Rprofile? [closed]
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Here is mine. It won't help you with the coloring but I get that from ESS and Emacs...
options("width"=160) # wide display with multiple monitors
options("digits.secs"=3) # show sub-second time stamps
r <- getOption("repos") # hard code the US rep...
Benefits of header-only libraries
...tages of a header-only library:
Bigger object files. Every inline method from the library that is used in some source file will also get a weak symbol, out-of-line definition in the compiled object file for that source file. This slows down the compiler and also slows down the linker. The compiler...
How to access maven.build.timestamp for resource filtering
...t was one of the reasons why I abandoned eclipse integration and use maven from command line.
– kostja
Mar 1 '13 at 13:32
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How can I add an animation to the activity finish()
...osing Activity--ymmv. This technique worked for me to replace an animation from Theme.Dialog on 2.x, but not 3.x or 4.x
– larham1
Oct 25 '12 at 23:49
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