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How to URL encode a string in Ruby
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str = "\x12\x34\x56\x78\x9a\xbc\xde\xf1\x23\x45\x67\x89\xab\xcd\xef\x12\x34\x56\x78\x9a".force_encoding('ASCII-8BIT')
puts CGI.escape str
=> "%124Vx%9A%BC%DE%F1%23Eg%89%AB%CD%EF%124Vx%9A"
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REST APIs: custom HTTP headers vs URL parameters
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The URL indicates the resource itself. A "client" is a resource that can be acted upon, so should be part of the base url: /orders/view/client/23.
Parameters are just that, to parameterize access to the resource. This especially comes into play with posts and searches: /orders/find?q=blahblah&...
Using OpenSSL what does “unable to write 'random state'” mean?
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In practice, the most common reason for this happening seems to be that the .rnd file in your home directory is owned by root rather than your account. The quick fix:
sudo rm ~/.rnd
For more information, here's the entry from the OpenSSL FAQ:
Sometimes the openssl command line uti...
From Arraylist to Array
I want to know if it is safe/advisable to convert from ArrayList to Array?
I have a text file with each line a string:
9 An...
How to have git log show filenames like svn log -v
...full path names and status of changed files:
git log --name-status
For abbreviated pathnames and a diffstat of changed files:
git log --stat
There's a lot more options, check out the docs.
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Xml Namespace breaking my xpath! [duplicate]
...t's in
there my xPath finds nothing
If you cannot register a namespace binding and cannot use (assuming the registered prefix is "x"):
/x:List/x:Fields/x:Field
then there is another way:
/*[name()='List']/*[name()='Fields']/*[name()='Field']
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What is the --save option for npm install?
...pdate npm 5:
As of npm 5.0.0, installed modules are added as a dependency by default, so the --save option is no longer needed. The other save options still exist and are listed in the documentation for npm install.
Original answer:
Before version 5, NPM simply installed a package under node_modu...
RegEx for matching UK Postcodes
...tcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
3...
How to commit my current changes to a different branch in Git [duplicate]
...e changes in my working directory, and I realize that these changes should be committed in a branch different to the current one. This usually happens when I want to try out new things or do some testing and I forget to create a new branch beforehand, but I don't want to commit dirty code to the mas...
Is it feasible to compile Python to machine code?
How feasible would it be to compile Python (possibly via an intermediate C representation) into machine code?
12 Answers
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