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Highlight the difference between two strings in PHP
...rate a compact diff efficiently, like I needed.
Edit: It's on Github now:
https://github.com/gorhill/PHP-FineDiff
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How can I convert spaces to tabs in Vim or Linux?
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Linux: with unexpand (and expand)
Here is a very good solution: https://stackoverflow.com/a/11094620/1115187, mostly because it uses *nix-utilities:
unexpand — spaces -> tabs
expand — tabs -> spaces
Linux: custom script
My original answer
Bash snippet for replacing 4-space...
How to add 30 minutes to a JavaScript Date object?
...mple: dateAdd(new Date(), 'minute', 30) //returns 30 minutes from now.
* https://stackoverflow.com/a/1214753/18511
*
* @param date Date to start with
* @param interval One of: year, quarter, month, week, day, hour, minute, second
* @param units Number of units of the given interval to add....
JAXB creating context and marshallers cost
...arshallers are not necessarily thread-safe.
The same is said on this page:https://javaee.github.io/jaxb-v2/doc/user-guide/ch03.html#other-miscellaneous-topics-performance-and-thread-safety.
I would guess that creating a JAXBContext is a costly operation, because it involves scanning classes and pa...
Using MemoryStore in production
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This module was designed to deal with the memory leak issue.
https://www.npmjs.com/package/session-memory-store
The accepted answer may be fine. However, since this question shows up high in the list of search results I figured I would include this in case it helps anyone else.
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How to check if object has any properties in JavaScript?
...ser Support: Firefox 4, Chrome 5, Internet Explorer 9, Opera 12, Safari 5
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
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How to list all users in a Linux group?
...ers:
python -c "import grp; print grp.getgrnam('GROUP_NAME')[3]"
See https://docs.python.org/2/library/grp.html
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How do I tell Spring Boot which main class to use for the executable jar?
...ated with @SpringBootApplication for you. (Refer to this issue for detail: https://github.com/spring-projects/spring-boot/issues/6496 )
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How to remove old Docker containers
...if-empty docker rm
To give credit, where it is due, this example is from https://twitter.com/jpetazzo/status/347431091415703552.
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Is there a command line utility for rendering GitHub flavored Markdown?
...efore committing them to GitHub, so today I created one, based on Node.js: https://github.com/ypocat/gfms
So perhaps you can reuse the showdown.js from it for your Wiki, if your question is still actual. If not, maybe other people facing the same problem as I did will find (just as I did) this ques...