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What is the purpose of AsQueryable()?
... change the compile time type of the object to IQueryable. You could just cast it, but by having an AsQueryable method you can take advantage of type inference. This is simply more convenient if the generic argument list is complex, and it is actually necessary if any of the generic arguments are ...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...;IsJSObject()) {
JSObject::OptimizeAsPrototype(Handle<JSObject>::cast(value));
}
Which in turn is called by FuntionSetPrototype which is what we get with .prototype =.
Doing __proto__ = or .setPrototypeOf would have also worked but these are ES6 functions and Bluebird runs on all browsers...
What's the difference between size_t and int in C++?
...G_PTR is an unsigned long type used for pointer precision. It is used when casting a pointer to a long type to perform pointer arithmetic.
This type is declared as follows:
typedef unsigned __int3264 ULONG_PTR;
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...act of that is the behavior you see where you get different results if you cast to an interface.
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离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
web服务启动报错：
Picked up JAVA_TOOL_OPTIONS: "-Dfile.encoding=UTF-8"
Executing [D:\appinventor\AppInventor2\resources\app.asar.unpacked\OpenJDK\bin\java, --add-opens=java.base/java.lang=ALL-UNNAMED, -Xmx4G, --add-opens, java.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.ne...
Position of least significant bit that is set
...her bytes by storing/reloading instead of shifting, because of the pointer-cast. (totally unnecessary BTW, and makes it endian-dependent unlike a shift wouldn't). Anyway, so not only is the microbenchmark unrealistic because of hot cache, it also has the branch predictors primed and tests inputs t...
Is the “struct hack” technically undefined behavior?
...instead of explicitly adding the offset to the pointer returned by malloc, cast to char *, is irrelevant.
Technically, p->s[0] is the single element of the char array inside the struct, the next few elements (e.g. p->s[1] through p->s[3]) are likely padding bytes inside the struct, which c...
What is Rack middleware?
...mment about it being a way to filter requests probably comes from the RailsCast episode 151: Rack Middleware screen cast.
Rack middleware evolved out of Rack and there is a great intro at Introduction to Rack middleware.
There's an intro to middleware on Wikipedia here.
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...t when you want a property, you ask for it - you don't have to parse,guess,cast. I did not understand your point about "what happens when objects don't have compatible methods" - Could you say that another way or give an example of the problem? Thanks.
– Jeffrey Snover - MSFT
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Your build failed due to an error in the AAPT stage, not because of an...
大概率是因为项目名称是中文导致的，换成英文的就ok，这个问题先记录下来，后续fun23.cn平台可以解决。
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需要注意的事项：该项目已超过 30MB 的最大大小该项目已超出建议的最大 10 个...