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How to use NSJSONSerialization
I have a JSON string (from PHP's json_encode() that looks like this:
12 Answers
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Deleting multiple elements from a list
...py).
Am I missing something here, any reason to NOT delete in the reverse order?
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Difference between exit() and sys.exit() in Python
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Alphabet range in Python
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Thanks. How do I make it to reverse order?
– Alexa Elis
Apr 17 '13 at 13:08
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Impossible to Install PG gem on my mac with Mavericks
I'm trying to install the pg gem in order to work again with my rails projects. But I get this error:
26 Answers
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what is .netrwhist?
..., in case you want vim to respect the XDG base directory specifications in order to prevent your home folder from being littered up by dotfiles like ~/.vim, you may want to split cached files and history files from your configuration (which usually resides in the runtime path). So for example, to st...
Quickly find whether a value is present in a C array?
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Keep the table in sorted order, and use Bentley's unrolled binary search:
i = 0;
if (key >= a[i+512]) i += 512;
if (key >= a[i+256]) i += 256;
if (key >= a[i+128]) i += 128;
if (key >= a[i+ 64]) i += 64;
if (key >= a[i+ 32]) i += 32...
iPhone: How to get current milliseconds?
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In order to avoid getting negative numbers I had to cast before the math: int64_t result = ((int64_t)tv.tv_sec * 1000) + ((int64_t)tv.tv_usec / 1000);
– jason gilbert
Jan 18 '15 at 1:48
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Initializing a static std::map in C++
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No, the danger is that there is nothing saying in which order the static variables should be initialized (at least across compilation units). But this is not a problem linked to this question. This is a general problem with static variables.
– PierreBdR
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...ctions must be total, e.g., all pattern matching must be exhaustive. So in order to write a function with no patterns, the parameter type must have no constructors, e.g., be uninhabited. Therefore, such a function would be legal--and thus its own type inhabited--precisely and only when its argument ...