大约有 2,290 项符合查询结果（耗时：0.0181秒） [XML]
Functions that return a function
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123
Assigning a variable to a function (without the parenthesis) copies the reference to the funct...
plot a circle with pyplot
...dited Jul 21 '18 at 16:00
Seanny123
5,70277 gold badges4949 silver badges100100 bronze badges
answered Mar 21 '15 at 14:51
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django test app error - Got an error creating the test database: permission denied to create databas
...o', # Not used with sqlite3.
'PASSWORD': 'mydb123', # Not used with sqlite3.
'HOST': '127.0.0.1', # Set to empty string for localhost. Not used with sqlite3.
'PORT': '', # Set to empty string for ...
Length of string in bash
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You can use:
MYSTRING="abc123"
MYLENGTH=$(printf "%s" "$MYSTRING" | wc -c)
wc -c or wc --bytes for byte counts = Unicode characters are counted with 2, 3 or more bytes.
wc -m or wc --chars for character counts = Unicode characters are counted singl...
Creating an iframe with given HTML dynamically
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123
Setting the src of a newly created iframe in javascript does not trigger the HTML parser until...
Backbone.js get and set nested object attribute
...ute1: 'abc', myAttribute2: 'xyz' } });
myModel.set('obj1', { myAttribute1: 123, myAttribute2: 456 });
It would be easy to generate the models list automatically in initialize, but this solution was good enough for me.
shar...
Understanding colors on Android (six characters)
... 87%: DE 70%: B3 54%: 8A 30%: 4D 26%: 42 12%: 1F
– cn123h
May 9 '15 at 14:58
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In Node.js, how do I “include” functions from my other files?
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123
Create two js files
// File cal.js
module.exports = {
sum: function(a,b) {
return...
NoSql vs Relational database
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123
Not all data is relational. For those situations, NoSQL can be helpful.
With that said, NoSQ...
Pad a number with leading zeros in JavaScript [duplicate]
...re.
Example usage:
pad(10, 4); // 0010
pad(9, 4); // 0009
pad(123, 4); // 0123
pad(10, 4, '-'); // --10
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