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Rails Object to hash

...ly attributes, then you can get them by: @post.attributes Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable: attribs = @post.attributes ...
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The resulting API analysis is too large when upload app to mac store

... Apple forbids using private or undocumented APIs in iOS apps. Any calls you make to methods that have the same name as private or undocumented API methods will be flagged as a private API use, even if the method being called is something you have defined yourself. App Loader does an initial...
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How much is the overhead of smart pointers compared to normal pointers in C++?

..._ptr always has memory overhead for reference counter, though it is very small. std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter and/or null-initialize the pointer) and during destructor (to destroy the owned object). std::shared_ptr has time overhe...
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PHP random string generator

... To answer this question specifically, two problems: $randstring is not in scope when you echo it. The characters are not getting concatenated together in the loop. Here's a code snippet with the corrections: function generateRandomString($length = 10)...
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What are the pros and cons of the leading Java HTML parsers? [closed]

... General Almost all known HTML parsers implements the W3C DOM API (part of the JAXP API, Java API for XML processing) and gives you a org.w3c.dom.Document back which is ready for direct use by JAXP API. The major differences are usually to b...
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How do I setup a SSL certificate for an express.js server?

...).listen(port); Other options for createServer are at: http://nodejs.org/api/tls.html#tls_tls_createserver_options_secureconnectionlistener share | improve this answer | fo...
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Print a list of all installed node.js modules

In a node.js script that I'm working on, I want to print all node.js modules (installed using npm) to the command line. How can I do this? ...
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How to generate keyboard events in Python?

...b() hexKeyCode is the virtual keyboard mapping as defined by the Windows API. The list of codes is available on MSDN: Virtual-Key Codes (Windows) share | improve this answer | ...
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Split a string by another string in C#

... I actually ended up changing my answer to this for 2 reasons: #1: To handle the splits I want to do I would need to use Regex.Escape, because my split string will often contain asterisks, etc. #2: While this program I'm writing...
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Differences between Java 8 Date Time API (java.time) and Joda-Time

...s perfect ;-)). c) With both libraries we get a real calendar date type (called LocalDate), a real wall time type (called LocalTime) and the composition (called LocalDateTime). That is a very big win compared with old java.util.Calendar and java.util.Date. d) Both libraries use a method-centric ap...