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Append to a file in Go
...uestion but why would it need both os.O_APPEND and os.O_WRONLY? This works for sure but why both?
– Dusan Gligoric
Oct 29 '19 at 19:30
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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
...p installed instead of zip and in this case it's important to specify file format: 7z d -tzip file.jar dir/unwanted_file.txt
– lapo
Jul 31 '13 at 10:02
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
...Note: .NET 4.5 SmtpClient implements async awaitable method SendMailAsync. For lower versions, use SendAsync as described below.
You should always dispose of IDisposable instances at the earliest possibility. In the case of async calls, this is on the callback after the message is sent.
var mess...
How to do a simple file search in cmd
I want to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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Java Map equivalent in C#
...HashCode() unless the default (reference or struct) equality is sufficient for determining equality of keys. You should also make your key type immutable to prevent weird things happening if a key is mutated after it has been inserted into a dictionary (e.g. because the mutation caused its hash cod...
Spring classpath prefix difference
...ation context from multiple bean definition files, using wildcard syntax.
For example, if you construct your context using classpath*:appContext.xml, the classpath will be scanned for every resource called appContext.xml in the classpath, and the bean definitions from all of them merged into a sing...
How to convert a ruby hash object to JSON?
... :year=>"2003"}
car.to_json
# NoMethodError: undefined method `to_json' for {:make=>"bmw", :year=>"2003"}:Hash
# from (irb):11
# from /usr/bin/irb:12:in `<main>'
require 'json'
# => true
car.to_json
# => "{"make":"bmw","year":"2003"}"
As you can see, requiring json has mag...
How do I use CSS in Django?
...u're using the development server follow the django project's how-to guide for managing static files to setup your URL's, then reference you media files in the template -- say, an image inside an image folder from /site_media/images/foo.gif.
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Get __name__ of calling function's module in Python
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Check out the inspect module:
inspect.stack() will return the stack information.
Inside a function, inspect.stack()[1] will return your caller's stack. From there, you can get more information about the caller's function name, module, etc.
See the docs for details:
http://docs.python.org/li...
When should I use File.separator and when File.pathSeparator?
...tor is either / or \ that is used to split up the path to a specific file. For example on Windows it is \ or C:\Documents\Test
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