大约有 5,100 项符合查询结果（耗时：0.0224秒） [XML]
Ruby: Calling class method from instance
...ah when it comes to inheritance.
class Truck
def self.default_make
"mac"
end
def make1
self.class.default_make
end
def make2
Truck.default_make
end
end
class BigTruck < Truck
def self.default_make
"bigmac"
end
end
ruby-1.9.3-p0 :021 > b=BigTruck.new
=>...
See what process is using a file in Mac OS X
I would like to be able to track a file and see which process is touching that file. Is that possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system v...
Executing JavaScript without a browser?
...ipt programming without a browser. I want to run scripts from the Linux or Mac OS X command line, much like we run any other scripting language (ruby, php, perl, python...)
...
How to determine SSL cert expiration date from a PEM encoded certificate?
If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
...
“Inspect” a hover element?
...
I was used to doing this in Windows, but in Mac this trick doesn't work, has anybody found a way to this on a mac? it seems it "communicates" mouse move events to the window even if the mouse is in the inspector or sub-menu
– santiago arizti
...
使用NPAPI编写浏览器插件的源码实例(windows 7/linux) - C/C++ - 清泛网 - ...
...菜单项后link的url就会被保存到/tmp/link.log
本例源码地址:NpapiPlugin.zip
注意此例在debian sid/ubuntu10.10/windows 7 编译/测试。
NPAPI 浏览器插件
VS2012警告未能加载包“Visual C++ package” - C/C++ - 清泛网 - 专注C/C++及内核技术
...法：
到微软官网下载VS2012更新 KB2781514，大概1.12MB
链接地址：http://www.microsoft.com/zh-cn/download/details.aspx?id=36020
微软官网说明：Visual Studio 的缺陷可能导致它在 .NET 4.5 framework 更新过程中不稳定。
安装过程如图：
安装完后可...
C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...数逐个元素进行负责，也可通过指针来获得SAFEARRAY的数据地址，然后对指针指向的值进行赋值操作。其中，如果SAFEARRAY中的数组时多维数组，即可以把多维数组转换为一维数组，也可以通过获得指向数组的指针方式来操作数组中...
Linux编程中各种头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...构
netinet/in.h：定义数据结构sockaddr_in
arpa/inet.h：提供IP地址转换函数如inet_pton，inet_ntop
netdb.h：提供设置及获取域名的函数
sys/ioctl.h：提供对I/O控制的函数
sys/poll.h：提供socket等待测试机制的函数
fcntl.h：提供对文件控制的...
jupyter notebook选择conda环境 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)"
然后打开notebook
jupyter notebook
浏览器打开对应地址，新建python，就会有对应的环境提示了.jupyter