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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 write log to file
...cs, os.Open() can't work for log.SetOutput, because it opens the file "for reading:"
func Open
func Open(name string) (file *File, err error) Open opens the named
file for reading. If successful, methods on the returned file can be
used for reading; the associated file descriptor has mo...
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.
...
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...
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...
Difference Between ViewData and TempData?
...ta is saved into TempDataDictionary object:
It persists in it and can be read from any view or any action in any controller
It can only be read once; once read, it becomes null
It is saved into session so on expiration of session data is lost.
This behavior is new from ASP.NET MVC 2 and latter ...
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...
Search and replace a line in a file in Python
... I would be wary of using it in real code because admittedly it's not very readable or familiar. In real (production) code it's worthwhile to spend just a few more lines of code to make the process explicit and thus make the code readable.
There are two options:
The file is not overly large, and ...