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Set Focus on EditText
... necessary or i can just show it immediately?
– Coder123
Mar 6 '19 at 8:15
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How to randomly select an item from a list?
...y selects a single item
For reproducibility, you can do:
np.random.seed(123)
np.random.choice(foo) # first call will always return 'c'
For samples of one or more items, returned as an array, pass the size argument:
np.random.choice(foo, 5) # sample with replacement (default)
np.random...
How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...
How do I format a number in Java?
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From this thread, there are different ways to do this:
double r = 5.1234;
System.out.println(r); // r is 5.1234
int decimalPlaces = 2;
BigDecimal bd = new BigDecimal(r);
// setScale is immutable
bd = bd.setScale(decimalPlaces, BigDecimal.ROUND_HALF_UP);
r = bd.doubleValue();
System.out.pri...
Memory address of variables in Java
...t in java with the new keyword, we are getting a memory address from the OS.
8 Answers
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Favicons - Best practices
..., there was the touch icon, then multiple touch icons dues to the various iOS devices screen resolutions, then there was the tile icon for Windows...
Some answers here are very comprehensive - and overwhelming (all this, only for a favicon?). Yet, they fail at indicating that the 310x310 tile icon ...
Running Selenium WebDriver python bindings in chrome
...our path you have to pass it in as an argument to the constructor.
import os
from selenium import webdriver
chromedriver = "/Users/adam/Downloads/chromedriver"
os.environ["webdriver.chrome.driver"] = chromedriver
driver = webdriver.Chrome(chromedriver)
driver.get("http://stackoverflow.com")
driver...
How to change UIPickerView height
Is it possible to change the height of UIPickerView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder.
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Why would I want stage before committing in Git?
...ther than adding it and then commiting it?
– kiwicomb123
Aug 1 '17 at 16:27
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Is Java really slow?
...rs use primitive collections and especially Javalution's libraries, where possible.
String operations are a bit slow. Java uses immutable, UTF-16-encoded string objects. This means you need more memory, more memory access, and some operations are more complex than with ASCII (C, C++). At the time, i...