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How to become an OpenCart guru? [closed]

...rameter OpenCart's framework relies on the route=aaa/bbb/ccc in the query string parameter to know what to load, and is the underpinning feature to finding the files you need to edit for each page. Most route's actually only use the aaa/bbb which should be seen as two parts, however some contain th...
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What does “%.*s” mean in printf?

...pecifier/precision to printf(), rather than hard coding it into the format string, i.e. void f(const char *str, int str_len) { printf("%.*s\n", str_len, str); } share | improve this answer ...
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How can I repeat a character in Bash?

...e me notice a behaviour of Bash's printf: it continues to apply the format string until there are no arguments left. I had assumed it processed the format string only once! – Jeenu Jan 8 '15 at 10:25 ...
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REST API 404: Bad URI, or Missing Resource?

... Don't return 200 with an empty body. This is akin to undefined vs empty string (e.g. "") in programming. While very similar, there is definitely a difference. 404 means that nothing exists at that URI (like an undefined variable in programming). Returning 200 with an empty body means that some...
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Inspecting standard container (std::map) contents with gdb

... Its also a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation. – Bklyn Jan 9 '09 at 21:49 ...
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What does the “__block” keyword mean?

...c NSInteger CounterStatic; { NSInteger localCounter = 42; __block char localCharacter; void (^aBlock)(void) = ^(void) { ++CounterGlobal; ++CounterStatic; CounterGlobal = localCounter; // localCounter fixed at block creation localCharacter = 'a'; // sets ...
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SQL select only rows with max value on a column [duplicate]

...e). The gist of the thing is that you create a single synthetic column by string concatenating/packing the primary comparison field along with the data you want. In this way, you can force SQL's MAX() aggregate function to return all of the data (because it has been packed into a single column). ...
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How to set timeout for http.Get() requests in Golang?

...r timeout = time.Duration(2 * time.Second) func dialTimeout(network, addr string) (net.Conn, error) { return net.DialTimeout(network, addr, timeout) } func main() { transport := http.Transport{ Dial: dialTimeout, } client := http.Client{ Transport: &transport, ...
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Is there a way to detect if an image is blurry?

...d % focus value. % Method, is the focus measure algorithm as a string. % see 'operators.txt' for a list of focus % measure methods. % ROI, Image ROI as a rectangle [xo yo width heigth]. % if an empty argument is passed, the whole % image is ...
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Remove all whitespaces from NSString

I've been trying to get rid of the white spaces in an NSString , but none of the methods I've tried worked. 11 Answers ...