大约有 43,000 项符合查询结果(耗时:0.0302秒) [XML]

https://stackoverflow.com/ques... 

What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?

...how the database server sorts (compares pieces of text). in this case: SQL_Latin1_General_CP1_CI_AS breaks up into interesting parts: latin1 makes the server treat strings using charset latin 1, basically ascii CP1 stands for Code Page 1252 CI case insensitive comparisons so 'ABC' would equal '...
https://stackoverflow.com/ques... 

php stdClass to array

...g functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first. Requirements The json_encode and json_decode methods. These are automatically bundled in PHP 5.2.0 and up. If you use any older version there's also a ...
https://stackoverflow.com/ques... 

Is there a way to instantiate objects from a string holding their class name?

...ce() { return new T; } typedef std::map<std::string, Base*(*)()> map_type; map_type map; map["DerivedA"] = &createInstance<DerivedA>; map["DerivedB"] = &createInstance<DerivedB>; And then you can do return map[some_string](); Getting a new instance. Another idea is ...
https://stackoverflow.com/ques... 

Check if object is file-like in Python

... why what about operators like __add__, __lshift__ or __or__ in custom classes? (file object and API: docs.python.org/glossary.html#term-file-object ) – n611x007 Sep 8 '12 at 12:56 ...
https://stackoverflow.com/ques... 

python exception message capturing

...is no longer supported in python 3. Use the following instead. try: do_something() except BaseException as e: logger.error('Failed to do something: ' + str(e)) share | improve this answer ...
https://stackoverflow.com/ques... 

Is cout synchronized/thread-safe?

... @ildjarn - No, @edA-qa mort-ora-y is correct. As long as cout.sync_with_stdio() is true, using cout to output characters from multiple threads without additional synchronization is well-defined, but only on the level of individual bytes. Thus, cout << "ab"; and cout << "cd" exec...
https://stackoverflow.com/ques... 

How to use PyCharm to debug Scrapy projects

... a virtualenv with Python 3.5.0 and setting the "script" parameter to /path_to_project_env/env/bin/scrapy solved the issue for me. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to set versionName in APK filename using gradle?

... output -> def project = "myProject" def SEP = "_" def flavor = variant.productFlavors[0].name def buildType = variant.variantData.variantConfiguration.buildType.name def version = variant.versionName def date = new Date(); ...
https://stackoverflow.com/ques... 

In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in

...'t want to) modify the module's code, so don't have a place to extract its __dirname. 7 Answers ...
https://stackoverflow.com/ques... 

Kotlin secondary constructor

...in with constructor but you need to skip default constructor class AuthLog(_data: String) class AuthLog { constructor(_data: String): this(_data, -1) constructor(_numberOfData: Int): this("From count ", _numberOfData) private constructor(_data: String, _numberOfData: Int) } For mo...