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How to programmatically get iOS status bar height
I know that currently the status bar (with the time, battery, and network connection) at the top of the iPhone/iPad is 20 pixels for non-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to...
How to share my Docker-Image without using the Docker-Hub?
...hout using the Docker-Hub or a Dockerfile but the 'real' Docker-Image? And what is exactly happening when I 'push' my Docker-Image to Docker-Hub?
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Traits vs. interfaces
I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...
Getting a random value from a JavaScript array
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It is a simple one-liner
const randomElement = array[Math.floor(Math.random() * array.length)];
Example
const months = ["January", "February", "March", "April", "May", "June", "July"];
const random = Math.floor(Math.random() * months.length);
console....
Are HTML Image Maps still used?
...s. An alternative would be to position elements using absolute positioning and CSS but that's not necessarily better. It also doesn't allow you to have shapes like in image maps
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Ways to circumvent the same-origin policy
...earching for this topic. This is one of the most searched-for topics on SO and there is no consolidated wiki for it so here I go :)
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'await' works, but calling task.Result hangs/deadlocks
I have the following four tests and the last one hangs when I run it. Why does this happen:
5 Answers
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Regexp Java for password validation
...dependent "module".
The (?=.*[xyz]) construct eats the entire string (.*) and backtracks to the first occurrence where [xyz] can match. It succeeds if [xyz] is found, it fails otherwise.
The alternative would be using a reluctant qualifier: (?=.*?[xyz]). For a password check, this will hardly mak...
How to share Eclipse configuration over different workspaces
...es. (like at home, laptop, in office, etc.). How could I share the Eclipse and project configuration pragmatically between multiple computers? Should I version control them, or is there any easier way to do this?
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A migration to add unique constraint to a combination of columns
...mns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
6 Answers
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