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Get first key in a (possibly) associative array?
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@donquixote I don't know for sure, but assuming it's a regular array (and not an object implementing some kind or Iterator interface), I'm fairly sure foreach doesn't create an internal copy for it, but rather just iterates a pointer, similar to ...
How to unescape HTML character entities in Java?
... nothing to unescape in the string. I've rewritten that code differently, now it works much faster. Whoever finds this in google is welcome to use it.
Following code unescapes all HTML 3 symbols and numeric escapes (equivalent to Apache unescapeHtml3). You can just add more entries to the map if y...
Rails nested form with has_many :through, how to edit attributes of join model?
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Let me know if this was helpful
– Arcolye
Feb 17 '10 at 7:17
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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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I followed the guide and now I can't run my site in debug mode - tells me "... Project with output type of Class Library cannot be started..."
– Matt
Sep 2 '14 at 19:35
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...pens if the object cannot be returned. With a Try method, you immediately know what to do.
– OregonGhost
Oct 6 '08 at 20:52
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Why not use Double or Float to represent currency?
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Of course if you know the precision, you can always round the result and thus avoid the whole issue. This is much faster and simpler than using BigDecimal. Another alternative is to use fixed precision int or long.
– Pe...
Creating C formatted strings (not printing them)
...ad written
char s[42];
you would be in deep trouble, because you can't know what number to put into the brackets.
Even if you had used the "safe" variant snprintf(), you would still run the danger that your strings gets truncated. When writing to a log file, that is a relatively minor concern, bu...
Hashing a file in Python
... have to read bad style... which might be you reading this code years from now.
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Should everything really be a bundle in Symfony 2.x?
...r.class: Vendor\Listener\TemplateListener
Using templates without bundles
Now, you can use templates out of bundles. Keep them under the app/Resources/views folder. For example, templates for those two actions from the example controller above are located in:
app/Resources/views/User/add.html.twig...
How to validate an email address in JavaScript
... here you have another RFC 2822 compliant regex
The official standard is known as RFC 2822. It describes the syntax that valid email addresses must adhere to. You can (but you shouldn't — read on) implement it with this regular expression:
(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'...