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In Java, what is the best way to determine the size of an object?
...ext object alignment)
Instance size: 72 bytes (reported by Instrumentation API)
Space losses: 2 bytes internal + 4 bytes external = 6 bytes total
You can get a summary view of the deep size of an object instance using GraphLayout.parseInstance(obj).toFootprint(). Of course, some objects in the fo...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...so I've no idea how easy it is to implement with Django. There is a Python API that comes with the Sphinx source though.
The search service daemon (searchd) is pretty low on memory usage - and you can set limits on how much memory the indexer process uses too.
Scalability is where my knowledge is mo...
How can I determine whether a 2D Point is within a Polygon?
...ticed that macOS UIs are significantly slower than other UIs. After all 3D APIs (OpenGL or Direct3D) also works with floats and modern graphics libraries very often take advantage of GPU acceleration.
Now you said speed is your main concern, okay, let's go for speed. Before you run any sophisticate...
How can you do anything useful without mutable state?
...
@MichaelOsofsky, when interacting with databases and APIs, there is always an 'outside world' which has state to communicate with. In this case, you cannot go 100% functional. It is important to keep this 'unfunctional' code isolated and abstracted away so there is only one ent...
Multiple working directories with Git?
...rwise, use is_bare_repository().
With Git 2.29 (Q4 2020), the "worktree" API offers a better determination of a worktree path.
See commit 918d8ff, commit 1c4854e, commit 246756f, commit 62573a5 (31 Jul 2020) by Eric Sunshine (sunshineco).
(Merged by Junio C Hamano -- gitster -- in commit 197253e, ...
What is an optional value in Swift?
...to nil in Swift — there are no pointers, and no null pointers. But in an API, you often want to be able to indicate either a specific kind of value, or a lack of value — e.g. does my window have a delegate, and if so, who is it? Optionals are Swift's type-safe, memory-safe way to do this.
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Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
... 2005 (_MSC_VER >= 1400)
// MARKUP_WINCONV (default for VC++) for Windows API character conversion
// MARKUP_ICONV (default for GNU) for character conversion on Linux and OS X and other platforms
// MARKUP_STDCONV to use neither WINCONV or ICONV, falls back to setlocale based conversion for ANSI
...
What are the main disadvantages of Java Server Faces 2.0?
...ML/CSS/JS, server side versus client side, etc) and the basic Java Servlet API (request/response/session, forwarding/redirecting, etc), no serious disadvantages comes to mind. JSF in its current release still needs to get rid of the negative image it gained during the early ages, during which there ...
How are msys, msys2, and msysgit related to each other?
...the POSIX emulation layer,
and another one that targets the plain Win32 API (with a few convenience functions thrown in).
Git for Windows' executables are built using the latter, and therefore they are really just Win32 programs. To discern executables requiring the POSIX emulation laye...
Simple way to encode a string according to a password?
..., this particular encrypt function is stateful dlitz.net/software/pycrypto/api/current/… so you should not try and reuse it.
– Will
Aug 12 '15 at 5:54
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