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What is the equivalent of Java's final in C#?
...e - failing to assign V or assigning V two or more times will result in an error.
C#'s readonly keyword has no such guarantee - the compiler is more than happy to leave readonly members unassigned or allow you to assign them multiple times within a constructor.
So, final and readonly (at least wit...
How to tell if a file is git tracked (by shell exit code)?
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try:
git ls-files --error-unmatch <file name>
will exit with 1 if file is not tracked
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Determine function name from within that function (without using traceback)
... Combining @CamHart's approach with @Yuval's avoids "hidden" and potentially deprecated methods in @RoshOxymoron's answer as well as numerical indexing into the stack for @neuro/@AndreasJung's answer: print(inspect.currentframe().f_code.co_name)
– hobs
Mar 1...
Comparing two CGRects
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in fact, equalTo(_:) is now deprecated so == is preferred.
– olx
May 9 '18 at 5:51
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How to select a single field for all documents in a MongoDB collection?
... include several fields. In the following operation, find() method returns all documents that match the query. In the result set, only the item and qty fields and, by default, the _id field return in the matching documents.
db.inventory.find( { type: 'food' }, { item: 1, qty: 1 } )
In this example ...
Is there a function in python to split a word into a list? [duplicate]
Is there a function in python to split a word into a list of single letters? e.g:
7 Answers
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How to list all functions in a Python module?
I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it.
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Removing a list of characters in string
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The second method raises an error TypeError: translate() takes exactly one argument (2 given). Apparently it takes dict as an argument.
– antonavy
Sep 18 '14 at 13:02
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Receive JSON POST with PHP
...e.
function isValidJSON($str) {
json_decode($str);
return json_last_error() == JSON_ERROR_NONE;
}
$json_params = file_get_contents("php://input");
if (strlen($json_params) > 0 && isValidJSON($json_params))
$decoded_params = json_decode($json_params);
Edit: Note that removing ...
Constants in Objective-C
...MY_CONST_2 25. The result is that you may very well end up with a compiler error when it tries to compile 5_2. Do not use #define for constants. Use const for constants.
– ArtOfWarfare
Apr 24 '13 at 14:03
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