大约有 25,300 项符合查询结果(耗时:0.0509秒) [XML]
Do we need semicolon at the end? [duplicate]
I missed semicolons in some of the places in my JavaScript, but its not throwing error in any of the browsers. Is the ; at the end needed?
...
Is there a CSS selector for elements containing certain text?
...
If I read the specification correctly, no.
You can match on an element, the name of an attribute in the element, and the value of a named attribute in an element. I don't see anything for matching content within an element, though.
...
How should I validate an e-mail address?
... provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. must be a gmail.com account or something.
...
if else in a list comprehension [duplicate]
...x >= 45 else x+5 for x in l]
[27, 18, 46, 51, 99, 70, 48, 49, 6]
Do-something if <condition>, else do-something else.
share
|
improve this answer
|
follow
...
Groovy Shell warning “Could not open/create prefs root node …”
...lution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Software\WOW6432Node\JavaSoft)
Right click on the JavaSoft folder ...
SyntaxError: Use of const in strict mode
...e, are turned on by default on Node.js and do NOT require any kind of runtime flag.”. Node.js docs has an overview of what ES2015 features are enabled by default, and which who require a runtime flag. So by upgrading to Node.js 4.x or newer the error should disappear.
To enable some of the ECMASc...
Is there a Python function to determine which quarter of the year a date is in?
...
Given an instance x of datetime.date, (x.month-1)//3 will give you the quarter (0 for first quarter, 1 for second quarter, etc -- add 1 if you need to count from 1 instead;-).
Originally two answers, multiply upvoted and even originally accepted (both...
Parsing a comma-delimited std::string [duplicate]
...
Input one number at a time, and check whether the following character is ,. If so, discard it.
#include <vector>
#include <string>
#include <sstream>
#include <iostream>
int main()
{
std::string str = "1,2,3,4,5,6";
...
Creating a UICollectionView programmatically
I'm looking for a guide or tutorial that will show me how to set up a simple UICollectionView using only code.
12 Answers
...
With ng-bind-html-unsafe removed, how do I inject HTML?
...
It is the cleanest option to do that safely. It came with more dependencies but it's about safety so no hesitation !
– Pierre Maoui
Sep 16 '14 at 8:14
...
