大约有 44,400 项符合查询结果(耗时:0.0927秒) [XML]
Create numpy matrix filled with NaNs
...
279
You rarely need loops for vector operations in numpy.
You can create an uninitialized array an...
Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
...
How many bytes in a JavaScript string?
...
String values are not implementation dependent, according the ECMA-262 3rd Edition Specification, each character represents a single 16-bit unit of UTF-16 text:
4.3.16 String Value
A string value is a member of the type String and is a
finite ordered sequence of zero or
more 16-bit unsigned...
How to format current time using a yyyyMMddHHmmss format?
...
250
Use
fmt.Println(t.Format("20060102150405"))
as Go uses following constants to format date,r...
How can I split a JavaScript string by white space or comma?
...
239
String.split can also accept a regular expression:
input.split(/[ ,]+/);
This particular re...
Is there a standardized method to swap two variables in Python?
...
|
edited Jan 22 '18 at 22:59
pauloue
1566 bronze badges
answered Feb 12 '13 at 15:56
...
How to detect duplicate values in PHP array?
...
239
You can use array_count_values function
$array = array('apple', 'orange', 'pear', 'banana', '...
Sublime Text 2 - View whitespace characters
...
662
To view whitespace the setting is:
// Set to "none" to turn off drawing white space, "selection...
Remove unnecessary svn:mergeinfo properties
...
142
Here is another way to delete all sub tree svn:mergeinfo properties but not at the root folder (...