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Are global variables bad? [closed]
...these, it becomes increasingly hard to figure out which functions actually read and write these variables.
To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will get h...
Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
I am getting the following error in Chrome dev console:
12 Answers
12
...
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 ...
Optimal number of threads per core
...eally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
...
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", ...
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...
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, ...
So, JSONP or CORS? [closed]
...egarding the two, but I think I can hit a few key points.
If you need a read-only ajax interface to your servers and you need to support IE<=9, Opera<12, or Firefox<3.5 or various other older or obscure browsers, CORS is out, use JSONP. IE8 and IE9 sorta support CORS but have problems,...
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.
...