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How to do a newline in output
...sic = Dir['C:/Users/name/Music/*.{mp3, MP3}']
puts 'what would you like to call the playlist?'
playlist_name = gets.chomp + '.m3u'
File.open playlist_name, 'w' do |f|
music.each do |z|
f.puts z
end
end
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How to append text to a text file in C++?
...ng the filename to the ofstream constructor opens the file immediately, so calling open() afterwards is redundant.
– Remy Lebeau
Nov 6 '19 at 22:32
...
commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...s changed the JSF lifecycle to skip the invoke action phase by for example calling FacesContext#renderResponse() or FacesContext#responseComplete().
Make sure that no Filter or Servlet in the same request-response chain has blocked the request fo the FacesServlet somehow. For example, login/securit...
“render :nothing => true” returns empty plaintext file?
...der nothing: true, status: 200, content_type: "text/html"
They are technically the same. If you look at the response for either using cURL, you will see:
HTTP/1.1 200 OK
Connection: close
Date: Wed, 1 Oct 2014 05:25:00 GMT
Transfer-Encoding: chunked
Content-Type: text/html; charset=utf-8
X-Runtim...
How to search through all Git and Mercurial commits in the repository for a certain string?
...ind all commits that have 'search_for_this' somewhere in a project, use so called "pickaxe" search, i.e. '-S' option to git log, which finds commits that introduced or removed given string, or to be more exact where number of occurences of a given string changed.
– Jakub Naręb...
iOS: how to perform a HTTP POST request?
...t. It's a great wrapper around NSURLConnection and allows for asynchronous calls, and basically anything you might need.
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How do I make the first letter of a string uppercase in JavaScript?
...is example: the Eiffel Tower -> The Eiffel Tower. Plus, the function is called capitaliseFirstLetter not capitaliseFirstLetterAndLowerCaseAllTheOthers.
– ban-geoengineering
Aug 2 '14 at 10:24
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Explanation of JSONB introduced by PostgreSQL
...no semantical difference, if an object's (table, map, hash, whatever it is call in the host language) key-value pairs are ordered differently. If you rely on that, you are actually using something different than JSON. -- For text vs. json: the latter comes with JSON validation, so upon invalid JSON,...
Assigning a variable NaN in python without numpy
...ctions import Fraction
>>> Fraction('nan')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python35\lib\fractions.py", line 146, in __new__
numerator)
ValueError: Invalid literal for Fraction: 'nan'
>>>
>>> Fraction(float...
Styling Google Maps InfoWindow
... 'transparent',
arrowStyle: 2
});
infoBubble.open();
You can also call it with a given map and marker to open on:
infoBubble.open(map, marker);
As another example, the Info Window Custom example extends the GOverlay class from the Google Maps API and uses this as a base for creating a mo...