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Serving static files with Sinatra
...e index document.
require 'rubygems'
require 'sinatra'
get '/' do
File.read(File.join('public', 'index.html'))
end
Routes should return a String which become the HTTP response body. File.read opens a file, reads the file, closes the file and returns a String.
...
Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...an access web content)
chmod -R g+rx ~/my/web/root (all web content is now readable/executable/enterable by _www)
All other solutions leave files open to other local users (who are part of the "staff" group as well as obviously being in the "o"/others group). These users may then freely browse an...
Unable to copy file - access to the path is denied
... in my case the reason that folder and the solution turned into ReadOnly and subsequently VS had trouble building it, was because some file failed to synch to GoogleDrive and got somehow locked by that process. So for me to rebuild properly I had to close GoogleDrive and then it built jus...
What happens when a computer program runs?
... like.
+---------+
| bss | Uninitialized global variables; must be in read-write memory area
+---------+
| data | data segment, for globals and static variables that are initialized
| | (can further be split up into read-only and read-write areas, with
| | read-only areas ...
ConcurrentHashMap vs Synchronized HashMap
...ock.
Locking the entire collection is a performance overhead. While one thread holds on to the lock, no other thread can use the collection.
ConcurrentHashMap was introduced in JDK 5.
There is no locking at the object level,The locking is at a much finer granularity. For a ConcurrentHashMap, the...
Ruby: How to post a file via HTTP as multipart/form-data?
...t goals than your own.
Here is a little example on how to use it from the README:
require 'net/http/post/multipart'
url = URI.parse('http://www.example.com/upload')
File.open("./image.jpg") do |jpg|
req = Net::HTTP::Post::Multipart.new url.path,
"file" => UploadIO.new(jpg, "image/jpeg", ...
Write bytes to file
...ck. You'll need add using System.IO at the top of your file if you don't already have it.
public bool ByteArrayToFile(string fileName, byte[] byteArray)
{
try
{
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
fs.Write(byteArray, 0, ...
How to check if a file is empty in Bash?
...efaults set for ls that use the long format (like me) and the shell will already expand *.txt on its own. Just do for file in *.txt instead.
– Lilith
Jun 26 '18 at 17:19
...
How do I remove the border around a focused contenteditable pre?
...
You can also add the :read-write pseudo-class to style elements that are editable.
For instance (jsFiddle):
.element:read-write:focus {
outline: none;
}
Read more here on codrops.
The :read-write pseudo-class selector is supported in ...
How do I grab an INI value within a shell script?
... above, e.g. grep =), the same for other unexpected errors.
If you need to read specific value under specific section, use grep -A, sed, awk or ex).
E.g.
source <(grep = <(grep -A5 '\[section-b\]' file.ini))
Note: Where -A5 is the number of rows to read in the section. Replace source with c...