大约有 47,000 项符合查询结果(耗时:0.0773秒) [XML]
How to impose maxlength on textArea in HTML using JavaScript
...{
var txts = document.getElementsByTagName('TEXTAREA');
for(var i = 0, l = txts.length; i < l; i++) {
if(/^[0-9]+$/.test(txts[i].getAttribute("maxlength"))) {
var func = function() {
var len = parseInt(this.getAttribute("maxlength"), 10);
if(this.value.length ...
Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
...
How much overhead does SSL impose?
...
edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Feb 13 '09 at 23:05
...
How to position a table at the center of div horizontally & vertically
...
280
Centering is one of the biggest issues in CSS. However, some tricks exist:
To center your table...
How can I shuffle an array? [duplicate]
...
1006
Use the modern version of the Fisher–Yates shuffle algorithm:
/**
* Shuffles array in plac...
How do I toggle an element's class in pure JavaScript?
...
2014 answer: classList.toggle() is the standard and supported by most browsers.
Older browsers can use use classlist.js for classList.toggle():
var menu = document.querySelector('.menu') // Using a class instead, see note b...
How to declare std::unique_ptr and what is the use of it?
... |
edited Jun 3 '13 at 10:24
answered Jun 3 '13 at 10:18
...
Update a record without first querying?
...
answered Nov 18 '10 at 19:15
CD..CD..
61.9k2424 gold badges131131 silver badges149149 bronze badges
...
what does the __file__ variable mean/do?
...amples return name '__file__' is not defined.
– user1063287
Nov 25 '14 at 22:51
10
@user1063287 L...
Purpose of #!/usr/bin/python3
... |
edited May 26 at 14:06
Mohammed Mishal
29622 silver badges1616 bronze badges
answered Oct 6 '11 at...