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What are the differences between type() and isinstance()?
...g)
return treatasscalar(x)
try:
return treatasiter(iter(x))
except TypeError:
return treatasscalar(x)
You could say that basestring is an Abstract Base Class ("ABC")—it offers no concrete functionality to subclasses, but rather exists as a "marker", mainly for use with isinstance. The conc...
How to Update Multiple Array Elements in mongodb
...
this code returns ERROR in pymongo. tehre is error: raise TypeError("%s must be True or False" % (option,)) TypeError: upsert must be True or False
– Vagif
Jun 8 at 12:05
...
Header files for x86 SIMD intrinsics
...s), rather than having its own header.
Some compilers will still generate error messages if you use intrinsics for instruction-sets you haven't enabled (e.g. _mm_fmadd_ps without enabling fma, even if you include immintrin.h and enable AVX2).
...
Typescript: difference between String and string
...
console.log(typeof a); // string
console.log(typeof b); // object
Your error:
Type 'String' is not assignable to type 'string'. 'string' is a
primitive, but 'String' is a wrapper object.
Prefer using 'string' when possible.
Is thrown by the TS compiler because you tried to assig...
How do I check if a type is a subtype OR the type of an object?
...rin Forms PCL project, the above solutions using IsAssignableFrom gives an error:
Error: 'Type' does not contain a definition for 'IsAssignableFrom' and
no extension method 'IsAssignableFrom' accepting a first argument of
type 'Type' could be found (are you missing a using directive or an
...
How to delete an old/unused Data Model Version in Xcode
...all the extraneous "development-only" models using this approach I get the error: "Error: Can't find or automatically infer mapping model for migration".
– Dalmazio
Sep 12 '14 at 21:04
...
Best architectural approaches for building iOS networking applications (REST clients)
...s of HTTP client, which I need in the particular application: SSL pinning, error processing and creating straightforward NSError objects with detailed failure reasons and descriptions of all API and connection errors (in such case controller will be able to show correct messages for the user), setti...
Create a Date with a set timezone without using a string representation
...
It also can cause errors in the time values, near the daylight saving time transitions of the local time zone. In short, epoch shifting (via any implementation) does not work with the JavaScript Date object. Another way to see this here is t...
Difference between method and function in Scala
... example:
scala> val f = () => { return "test" }
<console>:4: error: return outside method definition
val f = () => { return "test" }
^
Returning from a function defined in a method does a non-local return:
scala> def f: String = { ...
Best way to represent a fraction in Java?
... a BigFraction from a floating-point number.
*
* Warning: round-off error in IEEE floating point numbers can result
* in answers that are unexpected. For example,
* System.out.println(new BigFraction(1.1))
* will print:
* 2476979795053773/2251799813685248
*
* This...