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django change default runserver port
...fiable in an extraneous config.ini . Is there an easier fix than parsing sys.argv inside manage.py and inserting the configured port?
...
Are the shift operators () arithmetic or logical in C?
...clared as short, the int result of the shift operation would be implicitly converted to short; a narrowing conversion, which may lead to implementation-defined behaviour if the value is not representable in the destination type.
Left Shift
The result of E1 << E2 is E1 left-shifted E2 bit posi...
SQLite error 'attempt to write a readonly database' during insert?
... to be through the POSIX extension, which is enabled by default on POSIX-y systems. Your hosting provider may have R'd TFM and disabled it, though.
– Charles
Jul 23 '10 at 18:33
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How to decide font color in white or black depending on background color?
...rked like a charm for me. Thank you very much! Did it in php though simply converting the syntax and functions.
– CezarBastos
Mar 23 '18 at 17:24
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C#: How to convert a list of objects to a list of a single property of that object?
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
How to serialize SqlAlchemy result to JSON?
...turn fields
return json.JSONEncoder.default(self, obj)
and then convert to JSON using:
c = YourAlchemyClass()
print json.dumps(c, cls=AlchemyEncoder)
It will ignore fields that are not encodable (set them to 'None').
It doesn't auto-expand relations (since this could lead to self-refe...
Add single element to array in numpy
...allocate the array (if the total size is known) or to append to a list and convert to an array afterward.
Using np.append:
b = np.array([0])
for k in range(int(10e4)):
b = np.append(b, k)
1.2 s ± 16.1 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
Using python list converting to arr...
Convert Newtonsoft.Json.Linq.JArray to a list of specific object type
...leEnumItem>>() method. It will return what you need.
Documentation: Convert JSON to a Type
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How to check if a String contains another String in a case insensitive manner in Java?
...t methods are.
I compare 5 methods.
Our containsIgnoreCase() method.
By converting both strings to lower-case and call String.contains().
By converting source string to lower-case and call String.contains() with the pre-cached, lower-cased substring. This solution is already not as flexible becau...
How to convert a string of numbers to an array of numbers?
...
You can use Array.map to convert each element into a number.
var a = "1,2,3,4";
var b = a.split(',').map(function(item) {
return parseInt(item, 10);
});
Check the Docs
Or more elegantly as pointed out by User: thg435
var b = a.split(',')....