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Is JavaScript's “new” keyword considered harmful?
...
97
if (!(this instanceof arguments.callee)) throw Error("Constructor called as a function");// More generic, don't require knowledge of the co...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Where should I put tags in HTML markup?
...ed before script 1.
According to http://caniuse.com/#feat=script-async, 97.78% of all browsers support this.
defer
<script src="path/to/script1.js" defer></script>
<script src="path/to/script2.js" defer></script>
Scripts with the defer attribute are executed in order (...
How does the Java 'for each' loop work?
...ex):
[C:\java_code\]java TimeIteratorVsIndexIntArray 1000000
Test A: 358,597,622 nanoseconds
Test B: 269,167,681 nanoseconds
B faster by 89,429,941 nanoseconds (24.438799231635727% faster)
[C:\java_code\]java TimeIteratorVsIndexIntArray 1000000
Test A: 377,461,823 nanoseconds
Test B: 278,694,271 n...
Apply multiple functions to multiple groupby columns
... B
sum mean prod
GRP
0 0.719580 0.359790 0.102004
1 0.454824 0.227412 0.034060
UPDATE 1:
Because the aggregate function works on Series, references to the other column names are lost. To get around this, you can reference the full dataframe and index ...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...览量在下降，那么下降的这些人去那里看东西了，肯定是手机端，移动端的阅读以后将会成为主流，那么微信朋友圈肯定是最受益的，所以通过朋友圈推广效果肯定不会差。既然选择了这个渠道，那么下面就是内容了，寻找好的...
Add legend to ggplot2 line plot
...17452400, 1317538800, 1317625200,
1317711600, 1317798000, 1317884400, 1317970800, 1318057200, 1318143600,
1318230000, 1318316400, 1318402800, 1318489200, 1318575600, 1318662000,
1318748400, 1318834800, 1318921200, 1319007600, 1319094000), class = c("POSIXct",
"POSIXt"), tzone = ""), TempMax = c(...
cmake与autoconf+automake的对比 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
AC_PROG_LIBTOOL
lib_LTLIBRARIES=name.la
name_la_SOURCES=
安装设置
install(TARGETS targets...
[[ARCHIVE|LIBRARY|RUNTIME][DESTINATION
< dir >][PERMISSIONS permissions...]
[CONFIGURATIONS[Debug|Release|...]]
[COMPONENT < component >][OPTIONAL]] [...])
...
DoModal() 不显示的问题总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。改为一致就可以了。
2、对话框字体问题（字体没有安装则对话框创建失败）：
3、使用CGridCtrl时，拖放了一个用户控件，没有修过Class属性：
4、Unicode编码问题（SysLink控件只能用Unicode，否则创建失败）：
http://...
[解决]MySql提示:The server quit without updating PID file(…)失败 - 数...
...”杀死，然后重新启动mysqld！
3.可能是第二次在机器上安装mysql，有残余数据影响了服务的启动。
解决方法：去mysql的数据目录/data看看，如果存在mysql-bin.index，就赶快把它删除掉吧，它就是罪魁祸首了。本人就是使用第三条方...