大约有 13,700 项符合查询结果(耗时:0.0341秒) [XML]

https://stackoverflow.com/ques... 

Is it possible to get the non-enumerable inherited property names of an object?

...ilter", "reverse", "every", "hasOwnProperty", "isPrototypeOf", "valueOf", "__defineGetter__", "__defineSetter__", "__lookupGetter__", "propertyIsEnumerable", "__lookupSetter__"] Update: Refactored the code a bit (added spaces, and curly braces, and improved the function name): function getAllPr...
https://stackoverflow.com/ques... 

How to split a string literal across multiple lines in C / Objective-C?

...ll lines in C can be split into multiple lines using \. Plain C: char *my_string = "Line 1 \ Line 2"; Objective-C: NSString *my_string = @"Line1 \ Line2"; Better approach There's a better approach that works just for strings. Plain C: char *my_str...
https://stackoverflow.com/ques... 

Portable way to get file size (in bytes) in shell?

... One would guess the portable ls -ln FILE | { read _ _ _ _ size _ && echo "$size"; } needs not fork for the second step of the pipeline, as it uses just built-ins, but Bash 4.2.37 on Linux forks twice (still only one execve, though). – Palec ...
https://stackoverflow.com/ques... 

How do I check if a string is a number (float)?

... It's not provided 'out of the box' because if is_number(s): x = float(x) else: // fail is the same number of lines of code as the try: x = float(x) catch TypeError: # fail. This utility function is an entirely unecessary abstraction. – ovangle ...
https://stackoverflow.com/ques... 

Dynamically replace the contents of a C# method?

...omeGameClass, bool>("isRunning"); static bool Prefix(SomeGameClass __instance, ref int ___counter) { isRunningRef(__instance) = true; if (___counter > 100) return false; ___counter = 0; return true; } static void Postfix(ref int __r...
https://www.tsingfun.com/it/cpp/1700.html 

为什么编译好的libcurl静态lib用不了? - C/C++ - 清泛网 - 专注C/C++及内核技术

...an application that uses the static libcurl library, you must add -DCURL_STATICLIB to your CFLAGS. Otherwise the linker will look for dynamic import symbols. If you get linker error like "unknown symbol __imp__curl_easy_init ..." you have linked against the wrong (static) library. If you...
https://www.tsingfun.com/it/opensource/1236.html 

vs2010编译boost若干问题解决 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...径——“C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\x86_ia64”。再次运行“bootstrap.bat”,提示找不到“mspdb100.dll”,继续在环境变量中添加了路径——“C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE ”。 继续编译,还是不过...
https://stackoverflow.com/ques... 

Logical operators for boolean indexing in Pandas

...l-and since only x or y can be returned. In contrast, x & y triggers x.__and__(y) and the __and__ method can be defined to return anything we like. – unutbu Apr 15 '16 at 22:58 ...
https://stackoverflow.com/ques... 

Python - Create a list with initial capacity

...ux Perhaps you could avoid the list by using a generator instead: def my_things(): while foo: #baz yield bar #qux for thing in my_things(): # do something with thing This way, the list isn't every stored all in memory at all, merely generated as needed. ...
https://stackoverflow.com/ques... 

How to JSON serialize sets?

I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection. ...