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Can you use a trailing comma in a JSON object?
...ason. Makes extra trailing commas much easier to spot, and saves a lot of time. It's annoying, I wish there were an option to throw an error for this with firefox (since that would help with debugging).
– rocketmonkeys
Aug 30 '11 at 18:16
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Homebrew install specific version of formula?
...a way to get to a commit where the old version was available.
a) historic times
Between August 2011 and October 2014, homebrew had a brew versions command, which spat out all available versions with their respective SHA hashes. As of October 2014, you have to do a brew tap homebrew/boneyard before...
How to delete duplicate lines in a file without sorting it in Unix?
...ates to true. The ++ increments seen so that seen[$0] == 1 after the first time a line is found and then seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplicate line is placed in seen then !seen[$0] will evaluate to false and the line will not be writte...
How to split a string in Java
...mpiled in advance and stored as a static member (initialised at class load time in the example). The regular expression is:
(\d+)-(\d+)
The parentheses denote the capturing groups; the string that matched that part of the regexp can be accessed by the Match.group() method, as shown. The \d matche...
SVN: Folder already under version control but not comitting?
...move your folder back to working directory, add it and commit. Most of the time this workaround works, it seems that basically SVN got confused...
Update: quoting comment by @Mark:
Didn't need to move the folder around, just deleting the .svn folder and then svn-adding it worked.
...
How do I install cygwin components from the command line?
... Since the original project is dead, I suggest looking at this (as of the time of this comment) active fork: github.com/kou1okada/apt-cyg
– Vladimir Panteleev
Aug 19 '17 at 17:37
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Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
I've implemented two REST services: Twitter and Netflix. Both times, I struggled to find the use and logic involved in the decision to expose these services as REST instead of SOAP. I hope somebody can clue me in to what I'm missing and explain why REST was used as the service implementation for ser...
How to replace a character by a newline in Vim
...atim, and Ctrl-Q means that someone made the mistake of loading the $VIMRUNTIME/mswin.vim configuration file. You don't need mswin. Just use your own vimrc instead.
– 00dani
Oct 12 '16 at 4:28
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What exactly is metaprogramming?
... object.
In languages like ActionScript, you can evaluate functions at runtime to create new programs such as eval("x" + i). DoSomething() would affect an object called x1 when i is 1 and x2 when i is 2.
Finally, another common form of metaprogramming is when the program can change itself in non-t...
What is a simple command line program or script to backup SQL server databases?
...as all its features supported in CLI. It is possible to either perform one-time backup operations, or to create a job that would back up specified databases on the regular basis. You can check the switch rules and exampled in the articles:
ApexSQL Backup CLI support
ApexSQL Backup CLI examples
...