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C# using streams
...hich all other stream classes in .NET are derived. The Stream class deals with bytes.
The concrete stream classes are used to deal with other types of data than bytes. For example:
The FileStream class is used when the outside source is a file
MemoryStream is used to store data in memory
System.N...
How to limit setAccessible to only “legitimate” uses?
....reflect.AccessibleObject.setAccessible , the more astonished I am at what it can do. This is adapted from my answer to the question ( Using reflection to change static final File.separatorChar for unit testing ).
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JSON: why are forward slashes escaped?
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JSON doesn't require you to do that, it allows you to do that. It also allows you to use "\u0061" for "A", but it's not required. Allowing \/ helps when embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some ...
Git push error: Unable to unlink old (Permission denied)
In the remote server I have a post-receive hook set up in order to make a git checkout of my repository:
14 Answers
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How do DATETIME values work in SQLite?
...ing Android apps and need to save date/time of the creation record. The SQLite docs say, however, "SQLite does not have a storage class set aside for storing dates and/or times" and it's "capable of storing dates and times as TEXT, REAL, or INTEGER values".
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socket.error: [Errno 48] Address already in use
I'm trying to set up a server with python from mac terminal.
10 Answers
10
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Where in a virtualenv does the custom code go?
...a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
4 Answers
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Convert XML to JSON (and back) using Javascript
...nd JSON
Be sure to read the accompanying article on the xml.com O'Reilly site, which goes into details of the problems with these conversions, which I think you will find enlightening. The fact that O'Reilly is hosting the article should indicate that Stefan's solution has merit.
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How to make IntelliJ IDEA insert a new line at every end of file?
... do I make IntelliJ IDEA insert a new line at every end of file,
so that GitHub doesn't complain for example?
8 Answers
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How to check if a URL is valid
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Use the URI module distributed with Ruby:
require 'uri'
if url =~ URI::regexp
# Correct URL
end
Like Alexander Günther said in the comments, it checks if a string contains a URL.
To check if the string is a URL, use:
url =~ /\A#{URI::regexp}\z/
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