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How to write to file in Ruby?
I need to read the data out of database and then save it in a text file.
7 Answers
7
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Logical Operators, || or OR?
... no "better" but the more common one is ||. They have different precedence and || would work like one would expect normally.
See also: Logical operators (the following example is taken from there):
// The result of the expression (false || true) is assigned to $e
// Acts like: ($e = (false || true...
Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
Can one develop an entire application using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code?
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Git Pull While Ignoring Local Changes?
...ll that ignores any local file changes without blowing the directory away and having to perform a git clone ?
12 Answers
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Android image caching
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And now the punchline: use the system cache.
URL url = new URL(strUrl);
URLConnection connection = url.openConnection();
connection.setUseCaches(true);
Object response = connection.getContent();
if (response instanceof Bitma...
How to set time delay in javascript
...de setTimeout don't recognise class properties.
– ishandutta2007
Apr 14 '17 at 17:52
@ishandutta2007 see my answer bel...
Rails: How does the respond_to block work?
I'm going through the Getting Started with Rails guide and got confused with section 6.7. After generating a scaffold I find the following auto-generated block in my controller:
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How to detect iPhone 5 (widescreen devices)?
I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4" Retina' size to your view controller in the storyboard.
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What does %w(array) mean?
...otation to write an array of strings separated by spaces instead of commas and without quotes around them. You can find a list of ways of writing literals in zenspider's quickref.
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How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
...touch.pageY);
}, false);
This works in most WebKit based browsers (incl. Android).
Here is some good documentation.
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