大约有 16,000 项符合查询结果(耗时:0.0524秒) [XML]

https://stackoverflow.com/ques... 

What is the difference between window, screen, and document in Javascript?

... window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means if you want to access a property for the window it is window.property, if it is document it is window.document.property which is also available in short as document.property. Th...
https://stackoverflow.com/ques... 

What can you use Python generator functions for?

...an iterate like this: db = MySQLdb.connect(host="localhost", user="root", passwd="root", db="domains") cursor = db.cursor() cursor.execute("SELECT domain FROM domains") for result in ResultGenerator(cursor): doSomethingWith(result) db.close() ...
https://stackoverflow.com/ques... 

How to encrypt/decrypt data in php?

...n substr($data, 0, -ord($data[strlen($data) - 1])); } $row = $result->fetch(PDO::FETCH_ASSOC); // read from database result // $enc_name = base64_decode($row['Name']); // $enc_name = hex2bin($row['Name']); $enc_name = $row['Name']; // $iv = base64_decode($row['IV']); // $iv = hex2bin($row['IV'])...
https://stackoverflow.com/ques... 

Get the first element of an array

...$array)); In O(1): array_pop(array_reverse($array)); Other use cases, etc... If modifying (in the sense of resetting array pointers) of $array is not a problem, you might use: reset($array); This should be theoretically more efficient, if a array "copy" is needed: array_shift(array_slice($...
https://stackoverflow.com/ques... 

How do you deal with configuration files in source control?

...ntrol on the config files for each environment, can easily perform a diff, etc. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Can I Replace Apache with Node.js?

...low as them. As simple example would probably be, mynode.js/getfile?file=/etc/shadow – Rahly Mar 28 '14 at 23:13 add a comment  |  ...
https://stackoverflow.com/ques... 

Remove non-numeric characters (except periods and commas) from a string

...tters from the string. Other characters, such as spaces, brackets, quotes, etc. are kept inside the result. --> Only use this solution, if you know that your input string only contains letters and numbers, and no other characters! – Philipp Sep 14 '18 at 12:...
https://stackoverflow.com/ques... 

Resumable downloads when using PHP to send the file?

...the specs you can do "bytes=x-y", "bytes=-x", "bytes=x-", "bytes=x-y,a-b", etc. so the bug in the previous version was the missing end slash, not the lack of a question mark. – Theo Jul 16 '09 at 8:09 ...
https://stackoverflow.com/ques... 

Ruby on Rails Server options [closed]

...alled an app server cluster (hence the name Mongrel Cluster, Thin Cluster, etc). You must then setup Apache or Nginx to reverse proxy to this cluster. Apache/Nginx will take care of distributing requests between the instances in the cluster (More on this in section "I/O concurrency models"). The web...
https://stackoverflow.com/ques... 

Twitter API returns error 215, Bad Authentication Data

... A very concise code without any other php file include of oauth etc. Please note to obtain following keys you need to sign up with https://dev.twitter.com and create application. <?php $token = 'YOUR_TOKEN'; $token_secret = 'YOUR_TOKEN_SECRET'; $consumer_key = 'CONSUMER_KEY'; $consume...