大约有 23,000 项符合查询结果（耗时：0.0245秒） [XML]
How to implement a ConfigurationSection with a ConfigurationElementCollection
...lection Services
{
get
{
return (ServiceCollection)base["Services"];
}
}
}
And that should do the trick. To consume it you can use:
ServiceConfigurationSection serviceConfigSection =
ConfigurationManager.GetSection("ServicesSection") as ServiceConfigurationSect...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...lt; N), finding the position (N) of the highest set bit is the integer log base 2 of that integer.
http://graphics.stanford.edu/~seander/bithacks.html#IntegerLogObvious
unsigned int v;
unsigned r = 0;
while (v >>= 1) {
r++;
}
This "obvious" algorithm may not be transparent to everyone...
What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
...the useless compressed package.
For COPY:
COPY resources/jdk-7u79-linux-x64.tar.gz /tmp/
RUN tar -zxvf /tmp/jdk-7u79-linux-x64.tar.gz -C /usr/local
RUN rm /tmp/jdk-7u79-linux-x64.tar.gz
For ADD:
ADD resources/jdk-7u79-linux-x64.tar.gz /usr/local/
ADD supports local-only tar extraction. Beside...
Update Eclipse with Android development tools v. 23
...e should now work with auto-update, so install these new versions:
linux 64 bit vm: http://dl.google.com/android/adt/adt-bundle-linux-x86_64-20140702.zip
linux 32 bit vm: http://dl.google.com/android/adt/adt-bundle-linux-x86-20140702.zip
mac: http://dl.google.com/android/adt/adt-bundle-mac-x86_64-...
What is the closest thing Windows has to fork()?
...ng Windows 9x users. However, two
attempts to use ZwCreateProcess on NT-based systems failed for one
reason or another.
It would be really nice if this stuff would be better or at all
documented, especially a couple of datastructures and how to connect a
process to a subsystem. While ...
地图组件（高德地图） · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 地图组件（高德地图） ...
为维护国家安全 中国限制出口无人机和高性能计算机 - 资讯 - 清泛网 - 专注...
...术注释
调整后的峰值性能（APP）是指数字计算机在进行64位或更多位的浮点加法和乘法运算的调整后的峰值速度。
本技术说明涉及的缩写：
n “数字计算机”中的处理器数量
I 处理器编号（1，……，n）
ti 处理器时钟周期（...
Why is there no std::stou?
...+11 21.5/1: Effects: the first two functions call strtol(str.c_str(), ptr, base), and the last three functions call strtoul(str.c_str(), ptr, base), strtoll(str.c_str(), ptr, base), and strtoull(str.c_str(), ptr, base), respectively.
– Mike Seymour
Jan 3 '12 at...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
...
U+26AB ⚫ MEDIUM BLACK CIRCLE
U+26BD ⚽ SOCCER BALL
U+26BE ⚾ BASEBALL
U+26BF ⚿ SQUARED KEY
U+26C0 ⛀ WHITE DRAUGHTSMAN
U+26C1 ⛁ WHITE DRAUGHTS KING
U+26C2 ⛂ BLACK DRAUGHTSMAN
U+26C3 ⛃ BLACK DRAUGHTS KING
U+26C4 ⛄ SNOWMAN WITHOUT SNOW
U+26C5 ⛅ SUN BEHIN...
Do try/catch blocks hurt performance when exceptions are not thrown?
...r version), but it was no difference in the Release version.
Conclution:
Based on these test, I think we can say that Try/Catch does have a small impact on performance.
EDIT:
I tried to increase the loop value from 10000000 to 1000000000, and ran again in Release to get some differences in the re...