大约有 46,000 项符合查询结果（耗时：0.0809秒） [XML]
How can I multiply all items in a list together with Python?
...Convenient if you're already using Numpy. You probably don't even need to cast it as a list first, this should work for most cases result = np.prod(mylist)
– Nick
Jun 9 '16 at 23:47
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What does (x ^ 0x1) != 0 mean?
...oint to integer is called for, the conversion is implicit (doesn't require cast syntax). But no conversion is triggered by bitwise operators, they simply fail for floating-point types.
– Ben Voigt
Dec 20 '13 at 5:37
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Remove insignificant trailing zeros from a number?
...55555).toFixed(2);
//-> "4.56"
(4).toFixed(2);
//-> "4.00"
If you cast the return value to a number, those trailing zeroes will be dropped. This is a simpler approach than doing your own rounding or truncation math.
+(4.55555).toFixed(2);
//-> 4.56
+(4).toFixed(2);
//-> 4
...
Parsing a string into a boolean value in PHP
...ugh them. Nothing quite fit my needs so I wrote my own:
function loosely_cast_to_boolean($value) {
if(is_array($value) || $value instanceof Countable) {
return (boolean) count($value);
} else if(is_string($value) || is_object($value) && method_exists($value, '__toString')) ...
How to convert Nonetype to int or string?
...
we can use (value or 0) -- without the int type casting -- if we assured that value can only be a None or an int
– hashlash
Jun 14 '19 at 20:16
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
..., I've got Date and time respectively. Could this be the reason? How can I cast to the appropriate datatype in the code before saving changes to database.
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How to get Spinner value?
...ject that you know is a String seems like a more roundabout path than just casting the Object to String.
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How to disable python warnings
...onWarning as an argument to Python. Better though to resolve the issue, by casting to int.
(Note that in Python 3.2, deprecation warnings are ignored by default.)
Or:
import warnings
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
import md5...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
... Can I just add that this method was so much faster than using cast for me.
– Matt Weller
Dec 8 '13 at 15:03
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How to define an empty object in PHP
...s not support magic
methods, and implements no interfaces.
When you cast a scalar or array as
Object, you get an instance of
stdClass. You can use stdClass
whenever you need a generic object
instance.
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