大约有 355 项符合查询结果（耗时：0.0165秒） [XML]
Finding JavaScript memory leaks with Chrome
...y leaks is the three snapshot technique, first used by Loreena Lee and the Gmail team to solve some of their memory problems. The steps are, in general:
Take a heap snapshot.
Do stuff.
Take another heap snapshot.
Repeat the same stuff.
Take another heap snapshot.
Filter objects allocated between S...
Create a devise user from Ruby console
...e method to skip the validations if you want.
User.new({:email => "guy@gmail.com", :roles => ["admin"], :password => "111111", :password_confirmation => "111111" }).save(false)
Otherwise I'd do this
User.create!({:email => "guy@gmail.com", :roles => ["admin"], :password => "...
How to validate an email address in PHP
...9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD';
$emailaddress = 'test@gmail.com';
if (preg_match($pattern, $emailaddress) === 1) {
// emailaddress is valid
}
P.S. A note on the regex pattern used above (from the PHP source). It looks like there is some copyright on it of Michael Rushton....
How to parse a CSV file using PHP [duplicate]
...2D array as string of csv(MS Excel .CSV supported)
// AUTHOR: tgearin2@gmail.com
// RELEASED: 9/21/13 BETA
{ $r=1; $row=array(); $fields=array(); $csv="";
$escapes=array('\r', '\n', '\t', '\\', '\"'); //two byte escape codes
$escapes2=array("\r", "\n", "\t", "\\", "\""...
String to Dictionary in Python
...link":"http:\/\/www.facebook.com\/jdoe","gender":"male","email":"jdoe\u0040gmail.com","timezone":-7,"locale":"en_US","verified":true,"updated_time":"2011-01-12T02:43:35+0000"}"""
>>> json.loads(s)
{u'first_name': u'John', u'last_name': u'Doe', u'verified': True, u'name': u'John Doe', u'loca...
What is the difference between Cloud, Grid and Cluster? [closed]
...loud is very broad. As answered in another question , can I call Dropbox, Gmail, Facebook, Youtube, Rapidshare etc. a Cloud?
...
Return first match of Ruby regex
...
You can use []: (which is like match)
"foo+account2@gmail.com"[/\+([^@]+)/, 1] # matches capture group 1, i.e. what is inside ()
# => "account2"
"foo+account2@gmail.com"[/\+([^@]+)/] # matches capture group 0, i.e. the whole match
# => "+account2"
...
Retrieve the commit log for a specific line in a file?
...9117273939c98d270af273c8a463
Author: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
web--browse: support opera, seamonkey and elinks
diff --git a/git-web--browse.sh b/git-web--browse.sh
--- a/git-web--browse.sh
+++ b/git-web--browse.sh
@@ -143,1 +143,1 @@
-firefox|iceweasel)
+firefox|icew...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...:
{[nil, nil]=>512,
["Joe", "test@test.com"]=>23,
["Jim", "email2@gmail.com"]=>36,
["John", "email3@gmail.com"]=>21}
Thought that was pretty cool and hadn't seen it before.
Credit to Taryn, this is just a tweaked version of her answer.
...
What is the difference between ports 465 and 587?
...t 465 should remain nothing more than an historical footnote. Except that Gmail and most other email providers use Port 465 for SSL aka SMTPS. It is a reality that's not going anywhere, no matter what IANA specifies.
– Eric J.
Oct 20 '15 at 20:34
...