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Are there strongly-typed collections in Objective-C?
...ion of type 'NSString *'
And in Swift code, they will produce a compiler error:
var str: String = arr[0]
var num: Int = arr[0] //Error 'String' is not convertible to 'Int'
Lightweight Generics are intended to be used with NSArray, NSDictionary and NSSet, but you can also add them to your own cl...
Parse large JSON file in Nodejs
... values with double quotes. In other words, {name:'thing1'} will throw an error; you must use {"name":"thing1"}.
Because no more than a chunk of data will ever be in memory at a time, this will be extremely memory efficient. It will also be extremely fast. A quick test showed I processed 10,000 ...
Redirect stdout to a file in Python?
..., lambda: file_or_fd)()
if not isinstance(fd, int):
raise ValueError("Expected a file (`.fileno()`) or a file descriptor")
return fd
@contextmanager
def stdout_redirected(to=os.devnull, stdout=None):
if stdout is None:
stdout = sys.stdout
stdout_fd = fileno(stdout)
...
Return all enumerables with yield return at once; without looping through
I have the following function to get validation errors for a card. My question relates to dealing with GetErrors. Both methods have the same return type IEnumerable<ErrorInfo> .
...
Python extending with - using super() Python 3 vs Python 2
...er didn't clarify anything for me. In Python 2, super(__class__) gives NameError: global name '__class__' is not defined, and super(self.__class__) is erroneous as well. You must provide an instance as a second argument, which would suggest you need to do super(self.__class__, self), but that is wro...
Eclipse comment/uncomment shortcut?
I thought this would be easy to achieve, but so far I haven't found solutions for comment/uncomment shortcut on both Java class editor and jsf faceted webapp XHTML file editor :
...
Why rename synthesized properties in iOS with leading underscores? [duplicate]
...n this point:) Zeroing out the pointer as the accessor does may hide logic errors in your program. If you are ever accessing an instance variable of an object after the object has been deallocated, you are doing something seriously wrong. Because of Objective-C's nil-messaging semantics, however, yo...
What Xcode keyboard shortcuts do you use regularly? [closed]
What Xcode keyboard shortcuts do you use regularly?
16 Answers
16
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OpenSSL and error in reading openssl.conf file
...ommand there instead. It worked correctly but I was still getting the same error in the openssl.exe saying "Unable to load config info from wrong_path/ssl/openssl.cnf" so I tried the solution below saying to add the parameter -config with your openssl directory and that worked perfect. so I'm happy....
What's the difference setting Embed Interop Types true and false in Visual Studio?
...e of an item using the debugger.
When it was set to true, I was getting an error - item.FullName.GetValue The embedded interop type 'FullName' does not contain a definition for 'QBFC11Lib.IItemInventoryRet' since it was not used in the compiled assembly. Consider casting to object or changing...