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How to convert JSON string to array
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If you pass the JSON in your post to json_decode, it will fail. Valid JSON strings have quoted keys:
json_decode('{foo:"bar"}'); // this fails
json_decode('{"foo":"bar"}', true); // returns array("foo" => "bar")
json_decode('{"foo":"bar"}'); // ret...
Can I call memcpy() and memmove() with “number of bytes” set to zero?
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From the C99 standard (7.21.1/2):
Where an argument declared as size_t n specifies the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer argume...
Modular multiplicative inverse function in Python
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If you happen to be using sympy, then x, _, g = sympy.numbers.igcdex(a, m) does the trick.
– Lynn
Sep 16 '16 at 18:15
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How can strings be concatenated?
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The easiest way would be
Section = 'Sec_' + Section
But for efficiency, see: https://waymoot.org/home/python_string/
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unit testing of private functions with mocha and node.js
...r. One way to get around it now is to use module.exports = process.env.NODE_ENV === 'production' ? require('prod.js') : require('dev.js') and store your es6 code differences in those respective files.
– cchamberlain
Jun 1 '16 at 1:51
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Expand a random range from 1–5 to 1–7
...Here is a Python implementation, with a test harness:
import random
rand5_calls = 0
def rand5():
global rand5_calls
rand5_calls += 1
return random.randint(0, 4)
def rand7_gen():
state = 0
pow5 = 1
pow7 = 7
while True:
if state / pow5 == (state + pow7) / pow5:
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django unit tests without a db
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You can subclass DjangoTestSuiteRunner and override setup_databases and teardown_databases methods to pass.
Create a new settings file and set TEST_RUNNER to the new class you just created. Then when you're running your test, specify your new settings file with --settings flag.
H...
Is it possible to use argsort in descending order?
... this method is that ids is a view of avgDists:
>>> ids.flags
C_CONTIGUOUS : False
F_CONTIGUOUS : False
OWNDATA : False
WRITEABLE : True
ALIGNED : True
UPDATEIFCOPY : False
(The 'OWNDATA' being False indicates this is a view, not a copy)
Another way to do this is something ...
Naming cookies - best practices [closed]
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appname_meaningfulname
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How can I custom-format the Autocomplete plug-in results?
...cluded in v1.8rc3 of jQuery UI, the popup of suggestions is created in the _renderMenu function of the autocomplete widget. This function is defined like this:
_renderMenu: function( ul, items ) {
var self = this;
$.each( items, function( index, item ) {
self._renderItem( ul, item...