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Create a devise user from Ruby console
Any idea on how to create and save a new User object with devise from the ruby console?
5 Answers
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Gradients on UIView and UILabels On iPhone [duplicate]
...te desired look is no good as the text may vary depending on data returned from a server.
7 Answers
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Is mathematics necessary for programming? [closed]
...inst that. He said that programmers need only basic mathematical knowledge from high school or fresh year college math, no more no less, and that almost all of programming tasks can be achieved without even need for advanced math. He argued, however, that algorithms are fundamental & must-have asset...
How do you remove an invalid remote branch reference from Git?
...ranches under <name>. These stale branches have already been removed from the remote repository referenced by <name>, but are still locally available in "remotes/<name>".
With --dry-run option, report what branches will be pruned, but do no actually prune them.
However, it a...
What do we mean by Byte array? [closed]
...tc..
Just as bytes can encode different types and ranges of data (numbers from 0 to 255, numbers from -128 to 127, single characters using ASCII e.g. 'a' or '%', CPU op-codes), each byte in a byte array may be any of these things, or contribute to some multi-byte values such as numbers with larger ...
In Flux architecture, how do you manage Store lifecycle?
... and decoupled as possible -- a self-contained universe that one can query from a Controller-View. The only road into the Store is through the callback it registers with the Dispatcher. The only road out is through getter functions. Stores also publish an event when their state has changed, so Co...
Android Studio - Ambiguous method call getClass()
...tive Class getClass();
Newer versions of Android Studio appear to suffer from a bug which prevents you from editing the file even after declaring it as writable. Instead, copy the path, Edit -> Copy Path or ⇧⌘C, and edit it in your favorite editor.
This change will preserve source navigati...
How default .equals and .hashCode will work for my classes?
...the default implementation is Object's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead).
From the documentation:
equals
The equals method for class Object implements the most discriminating possible equivalence...
How to find a Java Memory Leak
...n a diff for 2 snapshots and analyze it.
Basically analysis should start from greatest positive diff by, say, object types and find what causes those extra objects to stick in memory.
For web applications that process requests in several threads analysis gets more complicated, but nevertheless ge...
What's the difference between an inverted index and a plain old index?
...indexes - it's just a question of which direction you're going. Forward is from documents->to->words, inverted is from words->to->documents.
Example 2: DNS
Another example is a DNS lookup (which takes a host name, and returns an IP address) and a reverse lookup (which takes an IP add...