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Bash: Strip trailing linebreak from output
... be specific, wc -l < log.txt ), the output contains a linebreak after it. How do I get rid of it?
7 Answers
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Retain precision with double in Java
...cimal class, if you want to have an exact representation of 11.4.
Now, a little explanation into why this is happening:
The float and double primitive types in Java are floating point numbers, where the number is stored as a binary representation of a fraction and a exponent.
More specifically, a...
How to optimize for-comprehensions and loops in Scala?
So Scala is supposed to be as fast as Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
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Xcode + remove all breakpoints
... press CMD(⌘)+6, in Xcode3 press CMD(⌘)+ALT+B.
Select all breakpoints with CMD(⌘)+A and delete them, like deleting text, with backspace.
There's no step 3 :)
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What does “=>” mean in PHP?
...the separator for associative arrays. In the context of that foreach loop, it assigns the key of the array to $user and the value to $pass.
Example:
$user_list = array(
'dave' => 'apassword',
'steve' => 'secr3t'
);
foreach ($user_list as $user => $pass) {
echo "{$user}'s pass...
Can I make a not submit a form?
I've got a form, with 2 buttons
8 Answers
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How can you run a command in bash over until success
...llowing is my attempt at putting a command into a loop to achieve this but it doesn't work for some reason.
6 Answers
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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
...'s -viewWillDisappear: method, I need to find a way to determine whether it is because a view controller is being pushed onto the navigation controller's stack, or whether it is because the view controller is disappearing because it has been popped.
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Why does “split” on an empty string return a non-empty array?
Split on an empty string returns an array of size 1 :
8 Answers
8
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Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
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edited Oct 22 '19 at 12:52
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