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What exactly is Spring Framework for? [closed]
...y implementation of the class that access the DB. What if I want to switch from the DB implementation to another that gets the user list from a comma-separated file (remember, it's an example)? In that case, I would go to my code again and change the above line to:
UserLister userLister = new UserL...
When should a class be Comparable and/or Comparator?
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The text below comes from Comparator vs Comparable
Comparable
A comparable object is capable of comparing itself with another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its instanc...
Animate change of view background color on Android
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You can use new Property Animation Api for color animation:
int colorFrom = getResources().getColor(R.color.red);
int colorTo = getResources().getColor(R.color.blue);
ValueAnimator colorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
colorAnimation.setDuration(250)...
time.sleep — sleeps thread or process?
...sleeps. You can also test this with a simple python program:
import time
from threading import Thread
class worker(Thread):
def run(self):
for x in xrange(0,11):
print x
time.sleep(1)
class waiter(Thread):
def run(self):
for x in xrange(100,103):
...
Programmatically stop execution of python script? [duplicate]
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You want sys.exit(). From Python's docs:
>>> import sys
>>> print sys.exit.__doc__
exit([status])
Exit the interpreter by raising SystemExit(status).
If the status is omitted or None, it defaults to zero (i.e., success).
If th...
How to set the title of UIButton as left alignment?
I need to display the email address from left side of a UIButton , but it is being positioned in the centre.
12 Answers
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How to convert .crt to .pem [duplicate]
...ce the default -inform is PEM, this is just doing an in->out conversion from PEM to PEM. The main different might be in potential text headers around the actual cert. Most of the time .crt are in PEM format anyway, but sometimes they're in DER format (the conventions are not always well establish...
CSS submit button weird rendering on iPad/iPhone
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Brilliant, and here is a great article about it from CSS tricks. It lists all the other elements changed by WebKit and Mozilla.
– Patrick
Jun 6 '13 at 11:25
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How to always show scrollbar
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There are 2 ways:
from Java code: ScrollView.setScrollbarFadingEnabled(false);
from XML code: android:fadeScrollbars="false"
Simple as that!
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Should I be using Protractor or Karma for my end-to-end testing? [closed]
... you're starting a new Angular project, consider using Protractor.
quoted from AngularJs documentation.
The tutorial angular-phonecat was developed a long time ago (in 2011 mainly) and has not yet been updated to use some Angular new features like Protractor.
EDIT
In the Protractor Docs - FAQ:
Why...