大约有 13,700 项符合查询结果(耗时:0.0373秒) [XML]

https://stackoverflow.com/ques... 

What is the best collation to use for MySQL with PHP? [closed]

...g characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format. utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain additio...
https://stackoverflow.com/ques... 

Reading specific lines only

... with linecache.getlin('some_file', 4) I get the 4th line, not the 5th. – Juan Dec 11 '14 at 18:14 ...
https://stackoverflow.com/ques... 

Building a minimal plugin architecture in Python

...irectory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitoring stuff for a certain amount of dynamism in which plugins are active, but that's a n...
https://stackoverflow.com/ques... 

WKWebView not loading local files under iOS 8

...tURL = tmpDirURL.appendingPathComponent(fileURL.lastPathComponent) let _ = try? fm.removeItem(at: dstURL) try! fm.copyItem(at: fileURL, to: dstURL) // Files in "/temp/www" load flawlesly :) return dstURL } And can be used as: override func viewDidLoad() { super.viewDidLoad() ...
https://stackoverflow.com/ques... 

Caching a jquery ajax response in javascript/browser

... * @type {number} */ timeout: 30000, /** * @type {{_: number, data: {}}} **/ data: {}, remove: function (url) { delete localCache.data[url]; }, exist: function (url) { return !!localCache.data[url] && ((new Date().getTime() - local...
https://stackoverflow.com/ques... 

What is Java String interning?

...nterning is implemented magically and efficiently with a dedicated CONSTANT_String_info struct (unlike most other objects which have more generic representations): A string literal is a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in th...
https://stackoverflow.com/ques... 

“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?

...y 4 bytes in UTF-8. You may also have to set the server property character_set_server to utf8mb4 in the MySQL configuration file. It seems that Connector/J defaults to 3-byte Unicode otherwise: For example, to use 4-byte UTF-8 character sets with Connector/J, configure the MySQL server with cha...
https://stackoverflow.com/ques... 

When should I use GET or POST method? What's the difference between them?

...ery string. So a POST request is a superset of a GET request; you can use $_GET in a POST request, and it may even make sense to have parameters with the same name in $_POST and $_GET that mean different things. For example, let's say you have a form for editing an article. The article-id may be in...
https://stackoverflow.com/ques... 

Python argparse: default value or specified value

... import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs...
https://stackoverflow.com/ques... 

SQL Server: Query fast, but slow from procedure

...ript of the slow and fast versions of the stored procedure: dbo.ViewOpener__RenamedForCruachan__Slow.PRC SET QUOTED_IDENTIFIER OFF GO SET ANSI_NULLS OFF GO CREATE PROCEDURE dbo.ViewOpener_RenamedForCruachan_Slow @SessionGUID uniqueidentifier AS SELECT * FROM Report_Opener_RenamedForCruacha...