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Why is Dictionary preferred over Hashtable in C#?
... because you can't insert any random object into it, and you don't have to cast the values you take out.
Interestingly, the Dictionary<TKey, TValue> implementation in the .NET Framework is based on the Hashtable, as you can tell from this comment in its source code:
The generic Dictionary...
Compile time string hashing
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You were missing a compile flag. Moreover I had to cast to size_t the value -1 in stop recursion template function. The updated version is available here (working from Clang 3.3) : goo.gl/vPMkfB
– Clement JACOB
May 23 '14 at 12:51
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Associating enums with strings in C#
...verriding the ToString method to return Value. And then provided implicit cast operators to and from a string. public static implicit operator String(LogCategory category) { return Value; }.
– Zarepheth
Jan 24 '14 at 20:17
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How to print a int64_t type in C
..._int = 999999999999999999;
printf("%" PRId64 "\n", my_int);
Or you could cast!
printf("%ld", (long)my_int);
printf("%lld", (long long)my_int); /* C89 didn't define `long long` */
printf("%f", (double)my_int);
If you're stuck with a C89 implementation (notably Visual Studio) you can perhaps use ...
Python's json module, converts int dictionary keys to strings
...so work for nested dicts and uses a dict comprehension.
If you want to to cast the values too, use:
def jsonKV2int(x):
if isinstance(x, dict):
return {int(k):(int(v) if isinstance(v, unicode) else v) for k,v in x.items()}
return x
Which tests the instance of the values and ca...
Entity Framework and SQL Server View
...ht legitimately need to return an empty string ''. What I did, was simply cast the column back to its own data type. for example if AnotherProperty had a datatype of varchar(50) I would cast it as such 'CONVERT(VARCHAR(50), AnotherProperty) AS [AnotherProperty]'. this masked the nullability from E...
How to force LINQ Sum() to return 0 while source collection is empty
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This is the correct answer. All others fail. First casting to nullable and then comparing the final result against null.
– Mohsen Afshin
Sep 17 '15 at 4:37
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How to flatten an ExpandoObject returned via JsonResult in asp.net mvc?
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Nice. You can also cast the dynamic on the fly: return new JsonResult(((ExpandoObject)someIncomingDynamicExpando).ToDictionary(item => item.Key, item => item.Value))
– joeriks
May 13 '12 at 17:13
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What is the right way to check for a null string in Objective-C?
...stinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of removing this (I dunno if things have changed since this question was asked)?
– thebossman
Dec 2 '10 at 1:40
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D Programming Language in the real world? [closed]
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Unlike C and C++, it assumes that you don't want to use pointers, unsafe casts, manual memory management, etc, everywhere in your code, because they're error prone, and assumes that you don't want to sift through multi-page template error messages when you screw up just to use resizable arrays.
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