大约有 30,000 项符合查询结果(耗时:0.0494秒) [XML]

https://stackoverflow.com/ques... 

Get all unique values in a JavaScript array (remove duplicates)

...ust be a duplicate and will not be copied. This solution works without any extra library like jQuery or prototype.js. It works for arrays with mixed value types too. For old Browsers (<ie9), that do not support the native methods filter and indexOf you can find work arounds in the MDN documentati...
https://stackoverflow.com/ques... 

Using @property versus getters and setters

... to memorize, which is significantly less useful. Axioms could be used for extrapolation, and help you approach problems no one has seen yet. It's a shame that the property feature threatens to render the idea of Pythonic axioms nearly worthless. So all we're left with is a checklist. ...
https://stackoverflow.com/ques... 

Database: To delete or not to delete records

...e also have the option to display it to select users as well, without much extra work. If you're not actively seeking to fully restore the data, but you'd still like to keep it around for monitoring (or similar) purposes. I would suggest that you figure out (to the extent possible of course) an agg...
https://stackoverflow.com/ques... 

the item you requested is not available for purchase

...s answer that is both true and rare to find. So thanks a lot for going the extra mile and not adding yet another "activate your product" answer. – Don Sep 7 '15 at 15:34 ...
https://stackoverflow.com/ques... 

rsync: how can I configure it to create target directory on server?

...ync /public/.keep /public/newfolder/ && rsync" \ it does create an extra file but you can remove later. – Fabiano Soriani Oct 7 '15 at 19:42 ...
https://stackoverflow.com/ques... 

Among $_REQUEST, $_GET and $_POST which one is the fastest?

... $_GET retrieves variables from the querystring, or your URL.> $_POST retrieves variables from a POST method, such as (generally) forms. $_REQUEST is a merging of $_GET and $_POST where $_POST overrides $_GET. Good to use $_REQUEST on self refrential forms for va...
https://stackoverflow.com/ques... 

How can I store my users' passwords safely?

...<?php use Netsilik/Lib/PepperedPasswords; // Some long, random, binary string, encoded as hexadecimal; stored in your configuration (NOT in your Database, as that would defeat the entire purpose of the pepper). $config['pepper'] = hex2bin('012345679ABCDEF012345679ABCDEF012345679ABCDEF012345679AB...
https://stackoverflow.com/ques... 

How do you determine the ideal buffer size when using FileInputStream?

...buffer size. If you pick a size that's too small, you'll waste time doing extra I/O operations and extra function calls. If you pick a size that's too big, you'll start seeing a lot of cache misses which will really slow you down. Don't use a buffer bigger than your L2 cache size. ...
https://stackoverflow.com/ques... 

Can you give a Django app a verbose name for use throughout the admin?

... the sense that it only effects what's shown to the user. It's the literal string used to name the table in the database, which requires a schema migration if you're changing an existing model. – Cerin Apr 11 '12 at 16:14 ...
https://stackoverflow.com/ques... 

How do I add an icon to a mingw-gcc compiled executable?

...2.o res1.res my.res And that should be all there is to it. And, at no extra charge, if you want to include version information in your application, add the following boilerplate to a new .rc file and follow the above mentioned steps. 1 VERSIONINFO FILEVERSION 1,0,0,0 PRODUCTVERSION 1,0,0,...