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Making an array of integers in iOS
...;
for (NSInteger i = 0; i < 40; i++)
myIntegers[i] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up each integer inside an NSNumber instance (because NSArray objects are designed to...
What are the best PHP input sanitizing functions?
... But there are so many filtering functions out there I am not sure which ones I should use/need.
13 Answers
...
How dangerous is it to access an array out of bounds?
... literal meaning of this is:
behavior, upon use of a nonportable or erroneous program construct or
of erroneous data, for which this International Standard imposes no
requirements
A non-normative note expands on this:
Possible undefined behavior ranges from ignoring the situation
co...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
... not be used as constructors.
A Note on How this Works in Arrow Functions
One of the most handy features of an arrow function is buried in the text above:
An arrow function... lexically binds the this value (does not bind its own this...)
What this means in simpler terms is that the arrow functio...
Google Guava vs. Apache Commons [closed]
...braries. Therefore using it in your own code as well could potentially be done without adding any additional dependencies. Edit: This particular "advantage" has been partially subverted by now, since many new libraries actually depend on Guava and not on Apache Commons Collections.
...
Is there a method that works like start fragment for result?
... a fragment in an overlay. This is for signing in to the service. In the phone app, each of the steps I want to show in the overlay are their own screens and activities. There are 3 parts of the sign-in process and each had their own activity that was called with startActivityForResult().
...
How to detect when an Android app goes to the background and come back to the foreground
...rse than that. I tried it and sometimes the onResume is called while the phone is locked. If you see the definition of the onResume in the documentation, you will find: Keep in mind that onResume is not the best indicator that your activity is visible to the user; a system window such as the keyguar...
Pass mouse events through absolutely-positioned element
...mpting to capture mouse events on an element with another absolutely-positioned element on top of it.
6 Answers
...
Can you use if/else conditions in CSS?
... could do something along the line:
:root {
--main-bg-color: brown;
}
.one {
background-color: var(--main-bg-color);
}
.two {
background-color: black;
}
Finally, you can preprocess your stylesheet with your favourite server-side language. If you're using PHP, serve a style.css.php file,...
Convert array of strings into a string in Java
...For small arrays you might not really notice the difference, but for large ones it can be orders of magnitude slower.
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