大约有 8,000 项符合查询结果(耗时:0.0170秒) [XML]

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AppInventor2项目自动保存的吗? - App Inventor 2 中文网 - 清泛IT社区,为创赋能!

Q:AppInventor2项目自动保存的吗? 先说结论:的,自动保存。在界面或者代码块发生变化之后,会自动进行项目保存。 当然,如果要追求心里”踏实感“,建议可以手动再保存一次,项目菜单 -> 保存项目: ----------...
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2026年1月5日签到记录贴 - 签到区 - 清泛IT社区,为创赋能!

本贴论坛每日签到系统在每天的第一位签到者签到时所自动生成的,如果您还未签到,请点此进行签到的操作. 我在 2026-01-05 06:43 完成签到,今天第一个签到的用户,获得随机奖励 小红花 12,另外我还额外获得了 小红花 10.我今天...
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2026年1月14日签到记录贴 - 签到区 - 清泛IT社区,为创赋能!

本贴论坛每日签到系统在每天的第一位签到者签到时所自动生成的,如果您还未签到,请点此进行签到的操作. 我在 2026-01-14 06:42 完成签到,今天第一个签到的用户,获得随机奖励 小红花 16,另外我还额外获得了 小红花 10.我今天...
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CSS Image size, how to fill, not stretch?

...Hakan Fıstık 9,09888 gold badges5757 silver badges8686 bronze badges 1 ...
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Which is faster : if (bool) or if(int)?

... With GCC 4.5 on Linux and Windows at least, sizeof(bool) == 1. On x86 and x86_64, you can't pass in less than an general purpose register's worth to a function (whether via the stack or a register depending on the calling convention etc...). So the code for bool, when un-optimized, actually...
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Windows 7 SDK installation failure

...th copies of the Visual C++ 2010 Redistributable Package that I had (both x86 and x64), and then when I ran the Windows 7 SDK installer again, it worked. Although you might have a different problem than me. Try the solutions at the Ctrl+F5 and patheticcockroach.com websites that I linked. I hope...
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C# 能否获取一个对象所占内存的大小? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...道一个对象占多少内存呢? 第一个问题:很快想到类的非静态的字段、属性。 第二个问题:首先想到的sizeof()。 下面开始验证,首先来验证值类型,验证代码如下: int size = sizeof (int); //4个字节 注意点:size...
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Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?

...y do this is to use the environment var: %ProgramFiles% or %ProgramFiles(x86)% to find where Program Files is.... you do not assume it is c:\program files\ ....) and then sets a registry tag : HKLM\software\<your app name> -- dllLocation The code that uses your dlls reads the registry, th...
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PHP编译configure时常见错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP编译configure时常见错误PHP的安装虽然有时候很简单,可如果应用一多,我们安装起来就很头痛了!出错最多的就安装PHP扩展的时候了。其实不管Apache类的应...PHP的安装虽然有时候很简单,可如果应用一多,我们安...
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byte + byte = int… why?

...ncy adding bytes and truncating the result back to a byte are incorrect. x86 processors have instructions specifically designed for integer operation on 8-bit quantities. In fact, for x86/64 processors, performing 32-bit or 16-bit operations are less efficient than 64-bit or 8-bit operations due...