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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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Though I really like the compact syntax of hgimenez's suggestion (above), this approach has the advantage of being very clear re: what's going on. (Still has the downside of not letting you pass nil as a value for the local)
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Undoing a git bisect mistake
I'm doing a non-automated git bisect via command line. All is going well until I accidentally hit return on the wrong line in my command history, and rather than running the test, I run 'git bisect good' (or bad). Oops - I don't yet know if this commit should be marked good or bad, yet that's what I...
How do I stop Chrome from yellowing my site's input boxes?
...ere's an error triggered, but it is a complex bit of coding to programmatically turn off the auto-complete for the single effected input on a page."
– Dave Rutledge
Oct 6 '08 at 21:54
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How do I extract a sub-hash from a hash?
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If you specifically want the method to return the extracted elements but h1 to remain the same:
h1 = {:a => :A, :b => :B, :c => :C, :d => :D}
h2 = h1.select {|key, value| [:b, :d, :e, :f].include?(key) } # => {:b=>:B, :d=...
apache to tomcat: mod_jk vs mod_proxy
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Specifically see wiki.apache.org/tomcat/FAQ/Connectors#Q7 who @daniel-serodio referenced... Where can I download a binary distribution of my connector? You cannot: you need to download the source and compile it for your platform.
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GridView VS GridLayout in Android Apps
... visible on screen. Whereas if you use a GridLayout you would have to load all the images that will be displayed at anytime causing an outofmemory error in most of devices.
– BigBen3216
Jun 6 '13 at 23:43
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Which access modifiers are implied when not specified?
For all of the different concepts that support access modifiers, such as fields, properties, methods and classes, which access modifiers are implied if not specified?
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CocoaPods - use specific pod version
...erminal again. This tells CocoaPods that you have a different version installed and that it must update.
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Android SQLite: nullColumnHack parameter in insert/replace methods
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Let's suppose you have a table named foo where all columns either allow NULL values or have defaults.
In some SQL implementations, this would be valid SQL:
INSERT INTO foo;
That's not valid in SQLite. You have to have at least one column specified:
INSERT INTO foo (s...
Setting focus on an HTML input box on page load
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Will that actually set the input focus? Which browser did you try it on?
– Peter Mortensen
Jul 1 '19 at 1:44
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