大约有 1,700 项符合查询结果（耗时：0.0243秒） [XML]
What's the optimum way of storing an NSDate in NSUserDefaults?
...ts have only 24 bits for accuracy, so 1970 to now is 40 years, which is 40*365*86400 seconds, and (40 * 365 * 86 400) / (2 ** 24) = 75second error. Double precision is what a DateTime interval, and its RAW precision is now better than a millionth of a second.
– Tom Andersen
...
How do I allow HTTPS for Apache on localhost?
...n\openssl x509 -in blarg.csr -out blarg.cert -req -signkey blarg.key -days 365
Open Apache's conf\httpd.conf file and ensure SSL module is enabled - there should be no hash at the start of this line:
LoadModule ssl_module modules/mod_ssl.so
Some Apache installations place the SSL config in a se...
Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...无目的，否则效率会奇低。
另一种方式当然是使用调试工具，单步调试，随时查看栈中任意数据，Linux 下使用GDB，windows 直接用宇宙第一ide：Visual Studio，至于 android 调试 Native C++ 程序，现在公司是修改完代码、编译，然后用 adb...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
... terminal and type the following command :
openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout cert.key -out cert.pem -config req.cnf -sha256
Step 4. then outside of security folder, in your express app do something like this: (credit goes to @Diego Mello)
backend
/security
/server.js
...
第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...运行效果：
编译运行环境：
nasm：Inter x86汇编编译工具，用户将我们的汇编代码编译为二进制。（下载地址）
Bochs：运行os的虚拟机工具，模拟加载我们生成的软盘映像，并运行os。（下载地址）
代码如下：
;-------...
Add line break to ::after or ::before pseudo-element content
...quence.
So you can use:
#headerAgentInfoDetailsPhone:after {
content:"Office: XXXXX \A Mobile: YYYYY ";
white-space: pre; /* or pre-wrap */
}
http://jsfiddle.net/XkNxs/
When escaping arbitrary strings, however, it's advisable to use \00000a instead of \A, because any number or [a-f] charac...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...则的字符串的需要。正则表达式就是用于描述这些规则的工具。换句话说，正则表达式就是记录文本规则的代码。
很可能你使用过Windows/Dos下用于文件查找的通配符(wildcard)，也就是*和?。如果你想查找某个目录下的所有的Word文...
What is the better API to Reading Excel sheets in java - JXL or Apache POI [closed]
... in the excel is huge. With streaming, the whole content of your excel/any office document will not be loaded into memory immediately after you parse the sheet.
– Ashok Koyi
Oct 5 '14 at 13:40
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...间需要走多远，但重要的是，很多供应商正将其包含在APM工具套件中。[3] 2015年开始，APM供应商推出的工具产品更加深入应用[4] ，包括基于用户相应时间的用户体验分析、业务交易分析、业务系统视图分析、故障定位分析等。
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Interop type cannot be embedded
...property to false did the trick. In my case - I was working with Microsoft.Office.Interop.Excel library and needed to access Workbook object. Using it's interface Workbook (btw. naming convention...) was not an option - I received COM object, not the desired Microsoft.Office.Interop.Excel.WorkbookCl...