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HTML text input field with currency symbol
I would like to have a text input field containing the "$" sign in the very beginning, and no matter what editing occurs to the field, for the sign to be persistent.
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How to remove the lines which appear on file B from another file A?
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If the files are sorted (they are in your example):
comm -23 file1 file2
-23 suppresses the lines that are in both files, or only in file 2. If the files are not sorted, pipe them through sort first...
See the man page here
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NodeJS - What does “socket hang up” actually mean?
...ther retry the request, queue it for later, etc.
When you are a server/proxy
When you, as a server, perhaps a proxy server, receive a request from a client, then start acting upon it (or relay the request to the upstream server), and before you have prepared the response, the client decides to can...
Spring schemaLocation fails when there is no internet connection
I am using Spring and in application-context.xml I have the following definitions:
18 Answers
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Solutions for distributing HTML5 applications as desktop applications? [closed]
...s into a single runtime and apps can be packaged for Mac, Windows, and Linux. (source)
The folks at github use this to provide their code editor Atom as an app. It has an documented api and a help channel on the official atom forums.
Node-Webkit, the most minimal approach
node-webkit is an app...
How to create a file in memory for user to download, but not through server?
Is there any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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git: diff between file in local repo and origin
...r:<path-or-file-name>
Note 2: master can be replaced in the above examples with any branch name
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How can I mock requests and the response?
...n_data, {"key2": "value2"})
json_data = mgc.fetch_json('http://nonexistenturl.com/cantfindme.json')
self.assertIsNone(json_data)
# We can even assert that our mocked method was called with the right parameters
self.assertIn(mock.call('http://someurl.com/test.json'), ...
What is a singleton in C#?
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You asked for C#. Trivial example:
public class Singleton
{
private Singleton()
{
// Prevent outside instantiation
}
private static readonly Singleton _singleton = new Singleton();
public static Singleton GetSingleton()
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