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投票App · App Inventor 2 中文网
...成票 = []
global 反对票 = []
procedure 更新票数(tag, value) {
if tag = "yes" {
赞成票 = value
} else if tag = "no" {
反对票 = value
}
标签_是.Text = join("赞成：", length(赞成票))
标签_否.Text = join("反对：", length(反对票))
}
when Screen1.Initia...
Ignoring an already checked-in directory's contents?
...n several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories.
...
Is there a simple way to convert C++ enum to string?
...:ostream& operator<<(std::ostream& os, enum Colours c)
{
if (c >= ColoursCount || c < 0) return os << "???";
return os << colours_str[c];
}
int main()
{
std::cout << Red << Blue << Green << Cyan << Yellow << Magenta <...
Spring Test & Security: How to mock authentication?
...t(
basicActiveUser, managerActiveUser
));
}
}
Now we have our users ready, so imagine we want to test the access control to this controller function:
@RestController
@RequestMapping("/foo")
public class FooController {
@Secured("ROLE_MANAGER")
@GetMapping("/salu...
How are VST Plugins made?
...
I know this is 3 years old, but for everyone reading this now: Don't stick to VST, AU or any vendor's format. Steinberg has stopped supporting VST2, and people are in trouble porting their code to newer formats, because it's too...
Why can't I use a list as a dict key in python?
...ists Can't Be Dictionary Keys. As explained there:
What would go wrong if you tried to use lists as keys, with the hash as, say, their memory location?
It can be done without really breaking any of the requirements, but it leads to unexpected behavior. Lists are generally treated as if their v...
What is the result of % in Python?
...
@P.MyerNore I know this is almost 3 years later, but may help others. Read the first highlighted para in sec. 5.6.2 linked above by KurzedMetal. The "x %= {}" is simply a short-form for "x = x % {...}"
– Sujay Phadke
...
What is the meaning of “__attribute__((packed, aligned(4))) ”
...
}__attribute__((packed, aligned(1))) sSampleStruct;
so the above specified gcc attribute does not allow the structure padding. so the size will be 8 bytes.
If you wish to do the same for all the structures, simply we can push the alignment value to stack using #pragma
#pragma pack(push, 1)
...
Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...共5处）
修改后代码：
<div class="z">
<!--{if $_GET[action] == 'reply' && !empty($_GET['addtrade']) || $_GET[action] == 'edit' && $thread['special'] == 2 && !$postinfo['first']}-->
<input name="subject" type="hidden" value="" />
...
C++0x has no semaphores? How to synchronize threads?
... unsigned long count_ = 0; // Initialized as locked.
public:
void notify() {
std::lock_guard<decltype(mutex_)> lock(mutex_);
++count_;
condition_.notify_one();
}
void wait() {
std::unique_lock<decltype(mutex_)> lock(mutex_);
while(!c...