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JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...隔越大，滚动速度越慢；
if(!p){ o.scrollTop += 1;}
//滚动停止或开始，取决于p传来的布尔值；
}
function scrolling(){
if(o.scrollTop%lh!=0){
//如果不被整除，即一次上移的高度达不到lh，则内容会继续...
Does Ruby regular expression have a not match operator like “!~” in Perl?
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156
Yes: !~ works just fine – you probably thought it wouldn’t because it’s missing from the...
Python, remove all non-alphabet chars from string
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123
Use re.sub
import re
regex = re.compile('[^a-zA-Z]')
#First parameter is the replacement, se...
How to merge 2 JSON objects from 2 files using jq?
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165
Since 1.4 this is now possible with the * operator. When given two objects, it will merge them...
How to add an empty column to a dataframe?
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11 Answers
11
Active
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JSON.parse unexpected character error
...e not parsing a string, you're parsing an already-parsed object :)
var obj1 = JSON.parse('{"creditBalance":0,...,"starStatus":false}');
// ^ ^
// if you want to parse, the input should be a string
var obj2 = {"creditBa...
Replacing blank values (white space) with NaN in pandas
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12 Answers
12
Active
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Referring to a file relative to executing script
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117
See: BASH FAQ entry #28: "How do I determine the location of my script? I want to read some co...
Set operations (union, intersection) on Swift array?
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186
Yes, Swift has the Set class.
let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let ...
What's the fastest way to convert String to Number in JavaScript?
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195
There are 4 ways to do it as far as I know.
Number(x);
parseInt(x, 10);
parseFloat(x);
+x;
...