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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...oduce this is beyond the scope of this answer but the TL;DR is that secret_token.rb conflates configuration and code as well as being a security risk since the token is checked into source control history and the only system that needs to know the production secret token is the production infrastruc...
Applying .gitignore to committed files
...-ci --exclude-standard -z | xargs -0 git rm --cached
//On Windows:
for /F "tokens=*" %a in ('git ls-files -ci --exclude-standard') do @git rm --cached "%a"
//On mac
alias apply-gitignore="git ls-files -ci --exclude-standard -z | xargs -0 git rm --cached"
to remove them from the repository (without...
Are HTTP headers case-sensitive?
...of HTTP, methods (verbs) are case sensitive:
5.1.1 Method
The Method token indicates the
method to be performed on the
resource identified by the
Request-URI. The method is
case-sensitive.
Method = "OPTIONS" ; Section 9.2
| "GET" ...
How to access the request body when POSTing using Node.js and Express?
...n/json" --url http://localhost:5000 but it was giving me error "Unexpected token u", that's why I switched to the mentioned call in my original post.
– TheBlueSky
Jul 24 '12 at 17:10
...
How to completely uninstall Android Studio on Mac?
...lete Android SDK tools
rm -Rf ~/Library/Android*
Emulator Console Auth Token
rm -Rf ~/.emulator_console_auth_token
Thanks to those who commented/improved on this answer!
Notes
The flags for rm are case-sensitive1 (as with most other commands), which means that the f flag must be in lower...
Regex lookahead, lookbehind and atomic groups
... a fixed length.
Atomic groups basically discards/forgets the subsequent tokens in the group once a token matches. Check this page for examples of atomic groups
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How to generate a create table script for an existing table in phpmyadmin?
...L_NOTES */;
The output is cluttered by a number of executional-condition tokens above and below. You can filter them out if you don't want them in the next step.
Step 4 (Optional), filter out those extra executional-condition tokens this way:
mysqldump --no-data --skip-comments --compact --host...
How do HTML parses work if they're not using regexp?
...
Usually by using a tokeniser. The draft HTML5 specification has an extensive algorithm for handling "real world HTML".
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How would you go about parsing Markdown? [closed]
...
Flex is really only half the parser; once you have tokenized the input, you need to determine what the tokens mean. This is what a parser generator is for. There are lots of them. ("Parser combinator", "recursive-descent" and "LALR(1)" are key words to google for.)
...
Inline functions vs Preprocessor macros
...values as in the case of functions.
Inline functions can be overloaded
The tokens passed to macros can be concatenated using operator ## called Token-Pasting operator .
Macros are generally used for code reuse where as inline functions are used to eliminate the time overhead (excess time) during fun...