大约有 43,000 项符合查询结果(耗时:0.0299秒) [XML]

https://stackoverflow.com/ques... 

Use C++ with Cocoa Instead of Objective-C?

...e. Currently dynamically typed, runtime-bound languages like Python, Ruby, etc. are the only real option for writing a Cocoa app without Objective-C (though of course these bridges use Objective-C under the hood). share ...
https://stackoverflow.com/ques... 

What do these words mean in Git: Repository, fork, branch, clone, track?

...k you will not only know what each word is, like repository, fork, branch, etc., but you will also know what is occurring behind the scenes when each of these are made, merged, etc. The address is long but very informative. It also contrasts Git to other Version Control Systems so you get insight ...
https://stackoverflow.com/ques... 

ActiveRecord: size vs count

...of new messages, total elements when only a page is going to be displayed, etc. length Loads the required data, i.e. the query as required, and then just counts it. The way to go if you are using the data. Example: Summary of a fully loaded table, titles of displayed data, etc. size It checks i...
https://stackoverflow.com/ques... 

What is the difference between “pom” type dependency with scope “import” and without “import”?

...f your POM (and all of its child POMs) without having to include a version etc. However if in your POM you simply define a normal dependency to other-pom-artifact-id then all dependencies from the dependency section of the other-pom-artifact-id are included transitively in your project - however th...
https://stackoverflow.com/ques... 

Specifying and saving a figure with exact size in pixels

...the same pixel dimensions as the im array. Note: the OP specified no axes, etc. which is what this solution does exactly. If one wants to add axes, ticks, etc. my preferred approach is to do that on a separate plot, saving with transparent=True (PNG or PDF) then overlay the latter on the image. This...
https://stackoverflow.com/ques... 

CASCADE DELETE just once

...traint on some_table and all tables that have constraints on those tables, etc. Postgres supports CASCADE with TRUNCATE command: TRUNCATE some_table CASCADE; Handily this is transactional (i.e. can be rolled back), although it is not fully isolated from other concurrent transactions, and has sev...
https://stackoverflow.com/ques... 

How many bytes does one Unicode character take?

.... Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, which means an individual codepoint fits comfortably into a codeunit. The other encodin...
https://stackoverflow.com/ques... 

Memcached vs. Redis? [closed]

...ciently, expire all the members together, delete all the members together, etc. Great for any use case where you have several key/value pairs that need to grouped. One example use of a hash is for storing user profiles between applications. A redis hash stored with the user ID as the key will allow ...
https://stackoverflow.com/ques... 

SSO with CAS or OAuth?

... 2.0 to create an authentication protocol, which is what Facebook/LinkedIn etc. have done; the only standardized extension of OAuth 2.0 that provides authentication is OpenID Connect, which is the designated successor of OpenID – Hans Z. Jan 3 '15 at 16:55 ...
https://stackoverflow.com/ques... 

Benefits of inline functions in C++?

...iler outputs, but with today's optimized compilers, fast CPUs, huge memory etc. (not like in the 1980< where memory was scarce and everything had to fit in 100KB of memory) what advantages do they really have today? ...