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Passing enum or object through an intent (the best solution)
...add another option for the new paradigm. Here we can make use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>> Intent.putExtra(victim: T): Intent =
putExtra(T::class.java.name, victim.ordinal)
inline fun <reified ...
Is there a way to define a min and max value for EditText in Android?
... if a value is 10 and you add a 1 at the beginning to make 110, the filter function would treat the new value as 101.
See below for a fix to this:
@Override
public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
try {
// Remove the str...
In Python, if I return inside a “with” block, will the file still close?
...self
def __exit__(self, *exc):
print('EXITING context.')
def fun():
with MyResource():
print('Returning inside with-statement.')
return
print('Returning outside with-statement.')
fun()
The output is:
Entering context.
Returning inside with-statement.
EXITING...
Creating a blurring overlay view
...Core Image (requires iOS 6). Here is sample: https://github.com/evanwdavis/Fun-with-Masks/blob/master/Fun%20with%20Masks/EWDBlurExampleVC.m
Mind you, this is slower than the other options on this page.
#import <QuartzCore/QuartzCore.h>
- (UIImage*) blur:(UIImage*)theImage
{
// *****...
What does numpy.random.seed(0) do?
...p.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same:
>>> import numpy as np
>>> np.random.seed(0)
>>> perm = np.random.permutation(10)
>>> print perm
[2 8 4 9 1 6 7 3 0 5]
>>> np.random.seed...
What is meaning of boolean value returned from an event-handling method in Android
... TAG = "TAG"
@SuppressLint("ClickableViewAccessibility")
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
findViewById<LinearLayout>(R.id.linearlayout_root).setOnTouchListener { v, e...
Why should I use a pointer rather than the object itself?
... using a pointer (regardless of how it was allocated) because you want the function to which you're passing it to have access that that specific object (not a copy of it). However, in most situations, you should prefer reference types to pointers, because this is specifically what they're designed f...
How to avoid long nesting of asynchronous functions in Node.js
...t to make a page that displays some data from a DB, so I have created some functions that get that data from my DB. I'm just a newbie in Node.js, so as far as I understand, if I want to use all of them in a single page (HTTP response) I'd have to nest them all:
...
switch / pattern matching idea
...
After trying to do such "functional" things in C# (and even attempting a book on it), I've come to the conclusion that no, with a few exceptions, such things don't help too much.
The main reason is that languages such as F# get a lot of their power ...
windows service vs scheduled task
...user's password must be provided as @moodforall points out above, which is fun when someone changes that user's password.
The other major annoyance with Windows Scheduler is that it runs interactively and not as a background process. When 15 MS-DOS windows pop up every 20 minutes during an RDP sess...