大约有 47,000 项符合查询结果（耗时：0.0606秒） [XML]
How do I check that a number is float or integer?
...viding by 1:
function isInt(n) {
return n % 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
Update 2019
5 years a...
Listing all extras of an Intent
...bugging reasons I want to list all extras (and their values) of an Intent. Now, getting the keys isn't a problem
12 Answers...
NumPy or Pandas: Keeping array type as integer while having a NaN value
...
For now you have to specify a special dtype like 'Int64' to make it work. It will be even better when it will be enabled by default.
– Jean Paul
Jan 23 '19 at 13:42
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Understanding implicit in Scala
... of the reasons I stopped trying to learn Scala many years ago and am only now coming back to it. I was never sure where some (many) of the implicits were coming from in the code I was looking at.
– melston
Mar 19 '19 at 19:23
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I keep getting “Uncaught SyntaxError: Unexpected token o”
...ve contains exact copy from this answer. Adding link from accepted answer now.
– Geoffrey Hale
Aug 5 '16 at 0:40
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Use JavaScript to place cursor at end of text in text input element
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Works in Chrome now (9.0.597.98)
– Matt
Feb 28 '11 at 10:05
6
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Rotating and spacing axis labels in ggplot2
...tor whose labels are long. While probably not an ideal visualization, for now I'd like to simply rotate these labels to be vertical. I've figured this part out with the code below, but as you can see, the labels aren't totally visible.
...
Five equal columns in twitter bootstrap
...all change to col-xs-6 in responsive view.
For Bootstrap 4
Bootstrap 4 now uses flexbox by default, so you get access to its magical powers straight out of the box. Check out the auto layout columns that dynamically adjust width depending on how many columns are nested.
Here's an example:
<...
Compare two dates with JavaScript
... avoiding == or === to get desired result: jsfiddle.net/P4y5J now >= anotherNow && now <= anotherNow IS true FYI
– Jason Sebring
Apr 15 '14 at 19:42
5
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ansible: lineinfile for several lines?
... This was probably voted up before Ansible 2.0. A better answer is now: stackoverflow.com/a/28306576/972128
– kkurian
Jul 5 '17 at 20:10
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