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Can I invoke an instance method on a Ruby module without including it?
...nt to pollute my namespace with all of them. A simple example if there's a Files.truncate and a Strings.truncate and I want to use both in the same class, explicitly. Creating a new class/instance each time I need a specific method or modifying the original is not a nice approach, though I'm not a R...
Convert an image (selected by path) to base64 string
...
Try this
using (Image image = Image.FromFile(Path))
{
using (MemoryStream m = new MemoryStream())
{
image.Save(m, image.RawFormat);
byte[] imageBytes = m.ToArray();
// Convert byte[] to Base64 String
string base64String = Co...
Auto-loading lib files in Rails 4
...bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patches in file like lib/extensions.rb, you may manually require it:
in config/initializers/require.rb:
require "#{Rails.root}/lib/extensions"
P.S.
Rails 3 Autoload Modules/Classes by Bill Harding.
And to understand what does R...
'git' is not recognized as an internal or external command
...t installation?
You need to add the following paths to PATH:
C:\Program Files\Git\bin\
C:\Program Files\Git\cmd\
And check that these paths are correct – you may have Git installed on a different drive, or under Program Files (x86). Correct the paths if necessary.
Modifying PATH on Windows...
How can I convert an image into a Base64 string?
...o a byte array though. Here's an example:
Bitmap bm = BitmapFactory.decodeFile("/path/to/image.jpg");
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 100, baos); // bm is the bitmap object
byte[] b = baos.toByteArray();
* Update *
If you're using...
Generate C# class from XML
Can I generate a C# class from an XML file?
8 Answers
8
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How to specify the private SSH-key to use when executing shell command on Git?
...sh directory as HOME; this may either contain an identity.pub, or a config file setting IdentityFile.
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How to display line numbers in 'less' (GNU)
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When I less a huge file then "G" to the bottom, it says "Calculating line numbers... (interrupt to abort)" even though it is not displaying line numbers. I'd like to know how to find out what line I'm on without exiting and relaunching with -N....
How to do a Jquery Callback after form submit?
... using normal Form, with a button, but the button calls javascript $('#formFile').submit();
– Daniel
Feb 6 '15 at 20:02
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What's the opposite of head? I want all but the first N lines of a file
Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time.
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