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Find the extension of a filename in Ruby
... on the file upload portion of a Rails app. Different types of files are handled differently by the app.
4 Answers
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onIabPurchaseFinished never called.
I've been trying to set up in-app billing for my first app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called.
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What is the difference between .map, .every, and .forEach?
...ay performing a given action for each item in the Array.
Read about these and the many other Array iteration methods at MDN.
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How to prevent line breaks in list items using CSS
...re space by setting li's width to greater values.
[1] § 3. White Space and Wrapping: the white-space property - W3 CSS Text Module Level 3
[2] white-space - CSS: Cascading Style Sheets | MDN
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In c++ what does a tilde “~” before a function name signify?
...scription from ibm.com:
Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class object when that object passes out of scope or is explicitly deleted.
See https://www.ibm.com/sup...
Git clone without .git directory
...st bit of history possible to get that repo.
The branch option is optional and if not specified would get master.
The second line will make your directory dirformynewrepo not a Git repository any more.
If you're doing recursive submodule clone, the depth and branch parameter don't apply to the submo...
What's wrong with Groovy multi-line String?
... The first assigns test to a, the second two try to make "test" positive (and this is where it fails)
With the new String constructor method, the Groovy parser is still in the constructor (as the brace hasn't yet closed), so it can logically join the three lines together into a single statement
F...
Git: How to return from 'detached HEAD' state
...flog to find the hashes of previously checked out commits.
A shortcut command to get to your last checked out branch (not sure if this work correctly with detached HEAD and intermediate commits though) is git checkout -
sha...
Calculate total seconds in PHP DateInterval
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+1: nice and clean! Note that getTimestamp() method is available in PHP >= 5.3.0.
– Sk8erPeter
Jun 19 '12 at 11:43
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Assigning default value while creating migration file
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Default migration generator does not handle default values (column modifiers are supported but do not include default or null), but you could create your own generator.
You can also manually update the migration file prior to running rake db:migrate by adding th...