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How to grep a text file which contains some binary data?
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You can use "strings" to extract strings from a binary file, for example
strings binary.file | grep foo
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how to get GET and POST variables with JQuery?
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For GET parameters, you can grab them from document.location.search:
var $_GET = {};
document.location.search.replace(/\??(?:([^=]+)=([^&]*)&?)/g, function () {
function decode(s) {
return decodeURIComponent(s.split("+").join(" "));
}
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What is the rationale behind having companion objects in Scala?
...ovide a simple way to create singleton class.
It also can inherit methods from other classes and/or traits, which cannot be done with Java static methods.and can be passed as a parameter.
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ASP.NET 2.0 - How to use app_offline.htm
...hich will in essence shut down the application and disable any other pages from being requested.
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How can I update window.location.hash without jumping the document?
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I'm not sure if you can alter the original element but how about switch from using the id attr to something else like data-id? Then just read the value of data-id for your hash value and it won't jump.
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Getting the index of the returned max or min item using max()/min() on a list
...lements (about 2**4 elements on my machine)
you can afford the memory copy from a pure list to a numpy array
as this benchmark points out:
I have run the benchmark on my machine with python 2.7 for the two solutions above (blue: pure python, first solution) (red, numpy solution) and for the stan...
What is the colon operator in Ruby?
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There're some quotes from the famous book Agile Web Development with Rails, which may be helpful to understand the symbol as well :
Rails uses symbols to identify things. In particular, it uses them as keys when naming method parameters and l...
Is PHP compiled or interpreted?
...language
The code of interpreted languages must be translated at run-time from any format to CPU machine instructions. This translation is done by an interpreter.
It would not be proper to say that a language is interpreted or compiled because interpretation and compilation are both properties of ...
How to change default timezone for Active Record in Rails?
...f set to :local) or Time.utc (if set to :utc) when pulling dates and times from the database. The default is :utc.
http://guides.rubyonrails.org/configuring.html
If you want to change Rails timezone, but continue to have Active Record save in the database in UTC, use
# application.rb
config.t...
Word wrapping in phpstorm
...y long lines that are wrapped by the editor.
This plugin can be installed from any IDEA-based IDE by searching for Wrap to Column.
It has the additional benefit that you can choose to wrap only sections of text that you want :-)
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