大约有 9,000 项符合查询结果(耗时:0.0479秒) [XML]

https://stackoverflow.com/ques... 

`from … import` vs `import .` [duplicate]

...urself when you import for simplicity or to avoid masking built ins: from os import open as open_ # lets you use os.open without destroying the # built in open() which returns file handles. share | ...
https://www.tsingfun.com/it/da... 

Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...

...ic 并行。修改好后,开启虚拟机的电源,发现机器进不了操作系统。 SCSI控制器0 和SCSI控制器1全部改为 LSI logic 并行 机器可以启动。 SCSI共享总线一样。于是没有修改 进入操作系统后,数据库运行正常。 好景不长...
https://stackoverflow.com/ques... 

How to check if a file exists in Go?

... function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it? ...
https://stackoverflow.com/ques... 

How can I safely create a nested directory?

What is the most elegant way to check if the directory a file is going to be written to exists, and if not, create the directory using Python? Here is what I tried: ...
https://stackoverflow.com/ques... 

How to find the operating system version using JavaScript?

How can I find the OS name and OS version using JavaScript? 13 Answers 13 ...
https://www.tsingfun.com/it/tech/1336.html 

推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术

推荐系统算法初探最近因为PAC平台自动化的需求,开始探坑推荐系统。这个乍一听去乐趣无穷的课题,对于算法大神们来说是这样的:而对于刚接触这个领域的我来...最近因为PAC平台自动化的需求,开始探坑推荐系统。这个乍一...
https://stackoverflow.com/ques... 

How to access environment variable values?

... Environment variables are accessed through os.environ import os print(os.environ['HOME']) Or you can see a list of all the environment variables using: os.environ As sometimes you might need to see a complete list! # using get will return `None` if a key is not...
https://www.tsingfun.com/it/cpp/1284.html 

STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...传递给函数模板的一种参数格式而已 STL中算法分类: 操作对象 直接改变容器的内容 将原容器的内容复制一份,修改其副本,然后传回该副本 功能: 非可变序列算法 指不直接修改其所操作的容器内容的算法 可变序列算...
https://www.tsingfun.com/it/tech/1392.html 

程序员之网络安全系列(五):数字证书以及12306的证书问题 - 更多技术 - ...

...器读取证书。 浏览器发现证书机构是Symantec,然后会在操作系统中受信任的发布机构的证书中去找Symantec的证书,如果找不到,那说明证书的发布机构是个假的,或者不是被权威机构认证的,证书可能有问题,程序会给出一个错...
https://stackoverflow.com/ques... 

Python list directory, subdirectory, and files

... Use os.path.join to concatenate the directory and file name: for path, subdirs, files in os.walk(root): for name in files: print os.path.join(path, name) Note the usage of path and not root in the concatenation, sinc...