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How to understand nil vs. empty vs. blank in Ruby
...dly looking for a clear definition of the differences of nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come:
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convert string array to string
... I also needed to put a separator in between my strings (coma and space) so I used: var separator = ", "; string.Join(separator , test);
– drpawelo
Sep 20 '13 at 10:56
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Pretty printing JSON from Jackson 2.2's ObjectMapper
...ht now I have an instance of org.fasterxml.jackson.databind.ObjectMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. Even...
List directory in Go
I've been trying to figure out how to simply list the files and folders in a single directory in Go.
5 Answers
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Handling InterruptedException in Java
What is the difference between the following ways of handling InterruptedException ? What is the best way to do it?
7 Answ...
Check if one list contains element from the other
...Set())
::contains)
...which collects the distinct values in list2 and tests each value in list1 for presence.
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Asynchronous vs Multithreading - Is there a difference?
...s being other ways. It depends heavily on language, object model (if any), and run time environment.
Asynchronous just means the calling thread doesn't sit and wait for the response, nor does the asynchronous activity happen in the calling thread.
Beyond that, you're going to need to get more spec...
How to get an outline view in sublime texteditor?
... happens when I press ctrl-r. I have a php file open. Can I locate the command in a menu? Does this work without a plugin? karlthorwald
– user89021
Feb 6 '10 at 3:34
6
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How can I make my flexbox layout take 100% vertical space?
...t height of html, body, .wrapper to 100% (in order to inherit full height) and then just set a flex value greater than 1 to .row3 and not on the others.
.wrapper, html, body {
height: 100%;
margin: 0;
}
.wrapper {
display: flex;
flex-direction: column;
}
#row1 {
background-co...
How do I get Flask to run on port 80?
I have a Flask server running through port 5000, and it's fine. I can access it at http://example.com:5000
14 Answers
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