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JavaScript + Unicode regexes
...dors you're still on your own, though. Update: There is now a transpiler named regexpu that translates ES6 Unicode regular expressions into equivalent ES5. It can be used as part of your build process. Try it out online.
Situation for ES 5 and below
Even though JavaScript operates on Unicode strings...
Replace string within file contents
...re are no downvotes, I simply did not upvote. But giving out answers to homework is not the right way to do this
– BlueRaja - Danny Pflughoeft
Nov 8 '10 at 22:14
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How to determine if a record is just created or updated in after_save
...hanged? (since it won't change on update) or even created_at_changed? if timestamp columns are present.
Update: As @mitsy points out, if this check is needed outside of callbacks then use id_previously_changed?. See docs.
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Modify alpha opacity of LESS variable
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The site documentation gives the answer:
background: fade(@blue, 20%);
The function name is fade not alpha according to that document.
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How do I hotkey directly to File Search tab in Eclipse
...uld press CTRL+3 in your editor, type in "file s", press Enter. The next time you press CTRL+3 "File Search" is at the top.
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
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I'm hoping someone can provide some concrete examples of best use cases for each.
Use Retrofit if you are communicating with a Web service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP op...
Style input element to fill remaining width of its container
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That's okay: this pointed me towards something that does work.
– Joel Coehoorn
Apr 21 '09 at 17:06
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if else in a list comprehension [duplicate]
...x >= 45 else x+5 for x in l]
[27, 18, 46, 51, 99, 70, 48, 49, 6]
Do-something if <condition>, else do-something else.
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Groovy Shell warning “Could not open/create prefs root node …”
...lution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft)
Right click on the JavaSoft folder ...
How to execute a bash command stored as a string with quotes and asterisk [duplicate]
... $cmd
For the follow-on question of how to escape * since it has special meaning when it's naked or in double quoted strings: use single quotes.
MYSQL='mysql AMORE -u username -ppassword -h localhost -e'
QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double"
eval $MYSQL "'$QUERY...