大约有 5,000 项符合查询结果（耗时：0.0125秒） [XML]
拍照时报错求助！ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...息 ...
1.同样的程序，拿别人的手机，结果是一样的；2.我运行官方的图片解码Demo，那个程序拍照时无论停多长时间都不会报错；
3.然后我把我的拍照程序改成了最简单的，还是报错；
刚刚把主屏幕初始化的所有程序都清空了...
CSS3 Transparency + Gradient
...inear-gradient(
right center,
rgba(255, 255, 255, 1.0) 20%, rgba(255, 255, 255, 0) 95%
);
/* IE 5.5 - 7 */
filter: progid:DXImageTransform.Microsoft.gradient(
gradientType=1, startColor=0, endColorStr=#FFFFFF
);
/* IE8 uses -ms-...
Long Press in JavaScript?
... animation: 1s longpress;
}
@-webkit-keyframes longpress {
0%, 20% { background: red; }
100% { background: yellow; }
}
@keyframes longpress {
0%, 20% { background: red; }
100% { background: yellow; }
}
...
Height equal to dynamic width (CSS fluid layout) [duplicate]
... on the current width:
.some_element {
position: relative;
width: 20%;
height: 0;
padding-bottom: 20%;
}
This works well in all major browsers.
JSFiddle: https://jsfiddle.net/ayb9nzj3/
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Understanding colors on Android (six characters)
...% — 8C
50% — 80
45% — 73
40% — 66
35% — 59
30% — 4D
25% — 40
20% — 33
15% — 26
10% — 1A
5% — 0D
0% — 00
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follow
...
Responsive image map
... <a href="/link1"><div style="position: absolute; left: 15%; top: 20%; width: 12%; height: 8%; background-color: rgba(0, 0, 0, .25);"></div></a>
<a href="/link2"><div style="position: absolute; left: 52%; top: 38%; width: 14%; height: 20%; background-color: rgba(0,...
CPU指令集avx程序无法运行，运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术
CPU指令集avx程序无法运行，运行崩溃cpu_avx_run原因就是CPU不支持相应的指令集导致的。Linux上使用 lscpu 命令查看CPU指令集，看是否支持。比如_mm256_cmpeq_epi64 这个函数需要avx2指令集，但是CPU不支持，就导致程序崩溃起不来。原因...
CSS: Set a background color which is 50% of the width of the window
...o 0%
For instance,
Gradient - background: linear-gradient(80deg, #ff0000 20%, #0000ff 80%);
Hard distinction - background: linear-gradient(80deg, #ff0000 20%, #0000ff 0%);
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Import CSV file into SQL Server
...lution#1: Can we create || separated value file from Excel? Because around 20% of the source files are created using Excel by the client.
– Prabhat
Mar 6 '13 at 10:17
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ts.o Server.o
chmod +x compile
./compile 就可以编译并链接
运行服务器
./server 8000
注意Linux下的防火墙iptables服务是否已经启动，如果启动了，需要在/etc/sysconfig/iptables中加入例外端口8000，并重启启动防火墙
/etc/init.d/iptables res...