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Why does the indexing start with zero in 'C'?
...pression (such as the name of an array object) is usually, but not always, converted to a pointer to the first element. Example: sizeof arr yields the size of the array object, not the size of a pointer.
– Keith Thompson
Sep 21 '11 at 7:44
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How to get the seconds since epoch from the time + date output of gmtime()?
...one. Though if we ignore time instances around leap seconds; it is easy to convert it to UTC if time uses Unix epoch (1970).
– jfs
Nov 17 '13 at 17:04
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How does the const constructor actually work?
...ecognize equivalence of these constants.
Canonicalization:
A process for converting data that has more than one possible representation into a "standard" canonical representation. This can be done to compare different representations for equivalence, to count the number of distinct data structures...
Execution time of C program
...s, for example, gettimeofday is basically a wrapper for clock_gettime that converts nanoseconds to microseconds.
– Peter Cordes
Apr 5 '19 at 8:11
add a comment
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get string value from HashMap depending on key name
...;>();
Using this will make your code cleaner and also you don't have to convert the result of hs.get("my_code") to string as by default it returns value of string if at entry time one has kept value as a string.
share
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Spring 3 RequestMapping: Get path value
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Here is how I did it. You can see how I convert the requestedURI to a filesystem path (what this SO question is about). Bonus: and also how to respond with the file.
@RequestMapping(val
Error handling in C code
...ints or different enumerations with return-codes.
provide a function that converts errors into something human readable. Can be simple. Just error-enum in, const char* out.
I know this idea makes multithreaded use a bit difficult, but it would be nice if application programmer can set an global err...
How to count the frequency of the elements in an unordered list?
...way you would a normal dict. If you really want a dict, however, you could convert it to a dict using dict(counter).
– unutbu
Mar 22 '15 at 0:46
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How to flatten tree via LINQ?
...n then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnumerable<MyNode> Flatten(this IEnumerable<MyNode> e) =>
e.SelectMany(c => c.Elements.Flatten()).Concat(e);
To earn more poi...
How to deserialize a list using GSON or another JSON library in Java?
... hassle with the Type object, and if you really need a list you can always convert the array to a list, e.g.:
List<Video> videoList = Arrays.asList(videoArray);
IMHO this is much more readable.
In Kotlin this looks like this:
Gson().fromJson(jsonString, Array<Video>::class.java)
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