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How to get milliseconds from LocalDateTime in Java 8
...eady have a LocalDateTime or similar object from somewhere and you want to convert it to milliseconds since the epoch. It's not possible to do that directly, since the LocalDateTime family of objects has no notion of what time zone they're in. Thus time zone information needs to be supplied to find ...
How to use null in switch
... Integer or other Wrapper class, because of unboxing. But what about enums and strings? Why can't they be null?
– Luan Nico
Nov 2 '13 at 11:20
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C# using streams
... say, you just want to transfer text.
However, .NET provides classes that convert between native types and the low-level stream interface, and transfers the data to or from the stream for you. Some notable such classes are:
StreamWriter // Badly named. Should be TextWriter.
StreamReader // Badly n...
How do I assign an alias to a function name in C++?
...xpr auto new_fn_name = old_fn_name works in C++11 (at least in gcc 4.9.2) and is better than placing &. It doesn't require call to be always done through pointer and thus allows function to be inlined in place of call.
– ony
Mar 10 '16 at 14:31
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How does comparison operator works with null int?
I am starting to learn nullable types and ran into following behavior.
4 Answers
4
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App Inventor 2中文网最新上线的AI助手功能叫什么？有什么核心价值？ - AI2...
# App Inventor 2中文网最新上线的AI助手功能叫什么？有什么核心价值？ - AI2Claw自然语言编程的全面解析
## ???? 引言：从传统开发到AI驱动的变革
App Inventor 2作为一款优秀的积木式编程工具，已经帮助无数开发者和教育者创建了...
How to assign a Git SHA1's to a file without Git?
...uteHash
|> Array.fold (fun acc e ->
let t = System.Convert.ToString(e, 16)
if t.Length = 1 then acc + "0" + t else acc + t)
""
/// Calculates the SHA1 like git
let calcGitSHA1 (text:string) =
let s = text.Replace("\r\n","\n")
sprintf "blob %d%c%...
Why is there no logical xor in JavaScript?
...se it with booleans and it will give the result as a 0 or 1 (which you can convert back to boolean, e.g. result = !!(op1 ^ op2)). But as John said, it's equivalent to result = (op1 != op2), which is clearer.
share
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Is there a Java API that can create rich Word documents? [closed]
...ort documents that could be shared and further tweaked by end-users before converting them to PDF for final delivery and archival.
You can optionally produce documents in OpenOffice formats if you want users to use OpenOffice instead of MS-Office. In our case the users want to use MS-Office tool...
C99 stdint.h header and MS Visual Studio
...
And to use literal uint64_t values it is useful to #define U64(u) (u##ui64) on Windows and to #define U64(u) (u##ULL) otherwise.
– Niklas
Aug 14 '13 at 11:12
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