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Win7禁用休眠 减少C盘容量占用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Win7禁用休眠 减少C盘容量占用开始菜单 → 运行 → cmd.exe → 右键以管理员身份运行 → 命令：powercfg -h off回车即可，C盘容量占用减少立...开始菜单 → 运行 → cmd.exe → 右键“以管理员身份运行” → 命令：power...
调用空智能指针对象的函数，Windows及Linux行为解析 - C/C++ - 清泛网 - 专...
...this指针为nullptr；Linux下Debug版本及不开优化版本也能正常运行，-O0以上优化版本 先看结论：Windows下可以调用空智能指针对象的函数，但是函数中访问目标对象的成员变量会崩溃，this指针为nullptr；Linux下Debug版本及不开优化版...
按钮形状问题 - App应用开发 - 清泛IT社区，为创新赋能！
...题截图。是比如你把按钮设置为椭圆，ai 伴侣 还是 apk 运行 仍然是长方形吗？App Inventor 2 发表于 2024-07-23 17:31
请附上问题截图。是比如你把按钮设置为椭圆，ai 伴侣 还是 apk 运行 仍然是长...
游戏中的算法与计算思维 04：第一张、第二张与匹配状态 · App Inventor 2 中文网
...知识课程 · 返回专题主页
这课解决什么
先预测，再运行
开始实战
新增或调整的组件
逐步搭建
核心积木与数据流
中途检查与排错
两个理解题与独立改造
完成与下一步
本系列第 4/8 课，建议 45...
游戏中的算法与计算思维 07：按难度保存最佳成绩 · App Inventor 2 中文网
...知识课程 · 返回专题主页
这课解决什么
先预测，再运行
开始实战
新增或调整的组件
逐步搭建
核心积木与数据流
中途检查与排错
两个理解题与独立改造
完成与下一步
本系列第 7/8 课，建议 45...
Algorithm to compare two images
...a. However, one algorithm may find all the matches, but also have a large 20% false positive rate, so there are several ways to rate your algorithms.
The test data should attempt to be designed to cover as many types of dynamics as possible that you would expect to find in the real world.
It is i...
Expanding a parent to the height of its children
...
If it's only on Webkit then it only 20% exist :P Cheers for the link, never seen this website before. Is it well maintained and updated? Do you swear by it?
– pilau
Apr 2 '13 at 21:46
...
Removing whitespace from strings in Java
... and st.replaceAll("\\s","") produce the same result.
The second regex is 20% faster than the first one, but as the number consecutive spaces increases, the first one performs better than the second one.
Assign the value to a variable, if not used directly:
st = st.replaceAll("\\s+","")
...
jQuery hasClass() - check for more than one class
...t ran this in jsperf for Chrome 21.0.1180 and the is() method is now about 20% faster. But the hasClass() seems more readable.
– Danyal Aytekin
Sep 27 '12 at 12:27
3
...
How to convert numbers between hexadecimal and decimal
...ode that illustrates that idea. My performance tests showed that it can be 20%-40% faster than Convert.ToInt32(...):
class TableConvert
{
static sbyte[] unhex_table =
{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-...