大约有 40,000 项符合查询结果(耗时:0.0364秒) [XML]

https://stackoverflow.com/ques... 

Exploitable PHP functions

...purpose isn't to list functions that should be blacklisted or otherwise disallowed. Rather, I'd like to have a grep -able list of red-flag keywords handy when searching a compromised server for back-doors. ...
https://stackoverflow.com/ques... 

Django database query: How to get object by id?

Django automatically creates an id field as primary key. 6 Answers 6 ...
https://stackoverflow.com/ques... 

Collapse sequences of white space into a single character and trim string

...low, because it creates a new object for every substring and sends method calls to each of them. – Georg Schölly Jun 23 '11 at 18:55 2 ...
https://stackoverflow.com/ques... 

Regular expression to match URLs in Java

...s. */ public class Patterns { /** * Regular expression to match all IANA top-level domains. * List accurate as of 2011/07/18. List taken from: * http://data.iana.org/TLD/tlds-alpha-by-domain.txt * This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tl...
https://stackoverflow.com/ques... 

What's the difference between process.cwd() vs __dirname?

... Does this mean that process.cwd() is synonym to . for all cases except for require()? – Alexander Gonchiy Aug 29 '15 at 9:44 11 ...
https://stackoverflow.com/ques... 

Programmatically generate video or animated GIF in Python?

I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
https://stackoverflow.com/ques... 

What's the difference between using CGFloat and float?

I tend to use CGFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference? ...
https://stackoverflow.com/ques... 

PDO Prepared Inserts multiple rows in single query

... table (fielda, fieldb, ... ) values (?,?...), (?,?...).... That is basically how we want the insert statement to look like. Now, the code: function placeholders($text, $count=0, $separator=","){ $result = array(); if($count > 0){ for($x=0; $x<$count; $x++){ $re...
https://stackoverflow.com/ques... 

Pandas - How to flatten a hierarchical index in columns

..., but leaves behind column names which are difficult to access programmatically and are not queriable – dmeu Jun 29 '17 at 8:53 1 ...
https://stackoverflow.com/ques... 

Event system in Python

...r methods', which is a simple implementation of the Observer pattern. Basically, the handler methods (callables) are stored in an array and are each called when the event 'fires'. Publish-Subscribe The disadvantage of Observer event systems is that you can only register the handlers on the actual Ev...