大约有 30,000 项符合查询结果（耗时：0.0389秒） [XML]
How should I validate an e-mail address?
...\\-\\+]{1,256}" +
"\\@" +
"[a-zA-Z0-9][a-zA-Z0-9\\-]{0,64}" +
"(" +
"\\." +
"[a-zA-Z0-9][a-zA-Z0-9\\-]{0,25}" +
")+"
);
You can use function
private boolean checkEmail(String email) {
return EMAIL_ADDRESS_PATTERN.matcher(em...
File Upload using AngularJS
...lder upload using flow.js.
https://github.com/flowjs/ng-flow
Check out a demo here
http://flowjs.github.io/ng-flow/
It doesn't support IE7, IE8, IE9, so you'll eventually have to use a compatibility layer
https://github.com/flowjs/fusty-flow.js
...
Easy pretty printing of floats in python?
...but you can't clarify a question and then slight the rest of the answerers based on the information we were working with.
– Jed Smith
Oct 14 '09 at 18:42
1
...
Remove rows with all or some NAs (missing values) in data.frame
...ata.frame does not support cols=.
Benchmark result
Here is a comparison of base (blue), dplyr (pink), and data.table (yellow) methods for dropping either all or select missing observations, on notional dataset of 1 million observations of 20 numeric variables with independent 5% likelihood of being ...
Unable to verify leaf signature
...e right way with certificates. I merely wanted to setup a quick test for a demo so the code I posted is a quick fix. I should have prefaced with that in my comment.
– LukeP
Jun 3 '15 at 21:48
...
get UTC time in PHP
...rver system timezone is different. The only way i was able to get real UTC based timestamp was strtotime(gmdate("M d Y H:i:s")), which is different that gmdate("U"), when your server system timezone is different than UTC
– bksi
Feb 23 '16 at 19:29
...
GLib compile error (ffi.h), but libffi is installed
...
If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redhat-base OS:
yum install libffi-devel
With Alpine Linux:
apk add libffi-dev
...
Selecting empty text input using jQuery
...lter()" method.
// Thanks to @AaronLS
$('input:text[value=""]');
Working Demo
code from the demo
jQuery
$(function() {
$('#button').click(function() {
var emptyTextBoxes = $('input:text').filter(function() { return this.value == ""; });
var string = "The blank textbox ids are - \n"...
display: inline-block extra margin [duplicate]
...
Cleaner way to remove those spaces is by using float: left; :
DEMO
HTML:
<div>Some Text</div>
<div>Some Text</div>
CSS:
div {
background-color: red;
float: left;
}
I'ts supported in all new browsers. Never got it why back when IE ruled lot's of dev...
AngularJS For Loop with Numbers & Ranges
...ersion, for creating a range between two defined numbers, eg. 5 to 15
See demo on JSFiddle
HTML:
<ul>
<li ng-repeat="n in range(5,15)">Number {{n}}</li>
</ul>
Controller:
$scope.range = function(min, max, step) {
step = step || 1;
var input = [];
for (va...