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uint8_t vs unsigned char
... are two places where we want to use uint8_t to mean 8 bits (and uint16_t, etc) and where we can have fields smaller than 8 bits. Both places are where space matters and we often need to look at a raw dump of the data when debugging and need to be able to quickly determine what it represents.
The f...
Finding the source code for built-in Python functions?
... also how were they built, what is the code behind sorted or enumerate etc...?
7 Answers
...
Why declare a struct that only contains an array in C?
... (so it allows cleaner code - it won't make any difference in speed etc)
– John Carter
Aug 6 '11 at 11:51
...
Finding all cycles in a directed graph
... 1 then there is an infinite number of those. For example A-B-A, A-B-A-B-A etc. Or it may be possible to join together 2 cycles into an 8-like cycle etc., etc... The meaningful approach is to look for all so called simple cycles - those that do not cross themselves except in the start/end point. The...
Getting MAC Address
... iface you want the MAC for since many can exist (bluetooth, several nics, etc.).
This does the job when you know the IP of the iface you need the MAC for, using netifaces (available in PyPI):
import netifaces as nif
def mac_for_ip(ip):
'Returns a list of MACs for interfaces that have given IP...
解决rc中无法设置CComboBox下拉列表框高度的问题 - C/C++ - 清泛网 - 专注C...
...m whose height is to be set; otherwise, nIndex must be 0 and the height of all list items will be set.
If nIndex is –1, the height of the edit-control or static-text portion of the combo box is to be set.
cyItemHeight
Specifies the height, in pixels, of the combo-box component id...
Linux升级OpenSSL的方法 - 操作系统(内核) - 清泛网 - 专注IT技能提升
...ssl' #ubuntu 和debian可以用
2、升级openssl版本：
yum clean all && yum update "openssl*" #redhat系列用这个
apt-get update && apt-get upgrade #ubuntu和debian可以用
zypper update #OpenSuSE可以用
参考：https://www.jb51.net/LINUXjishu/348267.html
openssl
Linux升级OpenSSL的方法 - 操作系统(内核) - 清泛网移动版 - 专注IT技能提升
...ssl' #ubuntu 和debian可以用
2、升级openssl版本：
yum clean all && yum update "openssl*" #redhat系列用这个
apt-get update && apt-get upgrade #ubuntu和debian可以用
zypper update #OpenSuSE可以用
参考：https://www.jb51.net/LINUXjishu/348267.html
openssl
Linux升级OpenSSL的方法 - 操作系统(内核) - 清泛网 - 专注IT技能提升
...ssl' #ubuntu 和debian可以用
2、升级openssl版本：
yum clean all && yum update "openssl*" #redhat系列用这个
apt-get update && apt-get upgrade #ubuntu和debian可以用
zypper update #OpenSuSE可以用
参考：https://www.jb51.net/LINUXjishu/348267.html
openssl
Linux升级OpenSSL的方法 - 操作系统(内核) - 清泛网 - 专注IT技能提升
...ssl' #ubuntu 和debian可以用
2、升级openssl版本：
yum clean all && yum update "openssl*" #redhat系列用这个
apt-get update && apt-get upgrade #ubuntu和debian可以用
zypper update #OpenSuSE可以用
参考：https://www.jb51.net/LINUXjishu/348267.html
openssl