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What command opens Ruby's REPL?
...ram named irb, but since it is just a Ruby library, it can also be invoked from Ruby code and not just from the shell. On Rubinius, IRb can also be invoked by just calling the rbx program without arguments, just like in CPython.
There is also a very nice REPL called Pry, which installs a program na...
Android - how do I investigate an ANR?
...include using sockets, locks, thread sleeps, and other blocking operations from within the event thread. You should make sure these all happen in separate threads. If nothing seems the problem, use DDMS and enable the thread view. This shows all the threads in your application similar to the trace y...
Should I use tag for icons instead of ? [closed]
... ("Here at Twitter, this is what we call a reply arrow.") And it is a term from another language: a symbolic language.
If, instead of the arrow symbol, Twitter used <i>shout out</i> or <i>[Japanese character for reply]</i> (on an English page), that would be consistent with...
Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
...operations aren't allowed on the wrapper, like adding or removing elements from the list, you can only read or overwrite the elements.
Note that the list wrapper doesn't extend ArrayList - it's a different kind of object. ArrayLists have their own, internal array, in which they store their elements...
ASP.NET MVC RequireHttps in Production Only
...want to use the RequireHttpsAttribute to prevent unsecured HTTP requests from being sent to an action method.
15 Answers
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Jackson Vs. Gson [closed]
...t's very important for me. The project is also quite active as you can see from their web page and that's a very good sign as well.
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Best practices to handle routes for STI subclasses in rails
... I had to set url explicitly in order for it to both render the from and saves properly. <%= form_for @child, :as => :child, url: @child.becomes(Parent)
– lulalala
May 28 '12 at 6:55
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How to list all the files in a commit?
... If you want it to work on the root commit, use the --root flag. From the man page: "When --root is specified the initial commit will be shown as a big creation event. This is equivalent to a diff against the NULL tree."
– Chris
Sep 23 '13 at 18:26
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java get file size efficiently
...ecessarily the same amount of bytes as file length. To get the real length from a stream, you really need to read it (and count the read bytes meanwhile).
– BalusC
Nov 26 '09 at 13:51
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How to organize large R programs?
...bare bones first package: hilaryparker.com/2014/04/29/writing-an-r-package-from-scratch
– panterasBox
Sep 3 '15 at 14:32
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