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Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...率为4倍。他公布了手机截图，众多网友随后指责Uber“没人性”，Uber的回应是：调高价格是为了鼓励司机上线，从该地区接走更多乘客。
不过，Uber很快调整了危机时刻的溢价策略。2015年初，墨西哥城一家医院发生爆炸事故，...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...e
E.g.
>>> db = MySQLdb.connect(host="localhost", user='root', passwd='passwd', db='sandbox', use_unicode=True, charset="utf8")
PostgreSQL
Add:
psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
psycopg2.extensions.register_type(psycopg2.extensions.UNICODEARRAY)
HTTP
W...
How to write LDAP query to test if user is member of a group?
...uery will look something like this:
ldapsearch -x -D "ldap_user" -w "user_passwd" -b "cn=jdoe,dc=example,dc=local" -h ldap_host '(memberof=cn=officegroup,dc=example,dc=local)'
If you want to see ALL the groups he's a member of, just request only the 'memberof' attribute in your search, like this:...
What are the uses of the exec command in shell scripts? [closed]
... without access to the shell. We could change the sign-in program in /etc/passwd, but maybe we want environment setting to be used from start-up files. So, in (say) .profile, the last statement says something like:
exec appln-program
so now there is no shell to go back to. Even if appln-progr...
Python: How would you save a simple settings/config file?
...host:::localhost:::<type 'str'>
x user:::root:::<type 'str'>
x passwd:::my secret password:::<type 'str'>
x db:::write-math:::<type 'str'>
Section: other
x preprocessing_queue:::["preprocessing.scale_and_center",
"preprocessing.dot_reduction",
"preprocessing.connect_lines"]::...
send/post xml file using curl command line
...o the server, where 'password' is the name of the form-field to which /etc/passwd will be the input:
curl -F password=@/etc/passwd www.mypasswords.com
So in your case, this would be something like
curl -F file=@/some/file/on/your/local/disk http://localhost:8080
...
How to configure Git post commit hook
...
I saw two possible solutions:
1: Changing my hook to:
curl --user name:passwd -s http://domain?token=whatevertokenuhave
2: setting project based authorization.
The former solutions has the disadvantage that I had to expose my passwd in the hook file. Unacceptable in my case.
The second works...
How do I connect to a MySQL Database in Python?
... user="john", # your username
passwd="megajonhy", # your password
db="jonhydb") # name of the data base
# you must create a Cursor object. It will let
# you execute all the queries you need
cur = db.cursor()
# Use all the S...
Bash script - variable content as a command to run
...
line=$((${RANDOM} % $(wc -l < /etc/passwd)))
sed -n "${line}p" /etc/passwd
just with your file instead.
In this example I used the file /etc/password, using the special variable ${RANDOM} (about which I learned here), and the sed expression you had, only di...
Command to change the default home directory of a user
... default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
6 Answers
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