大约有 1,600 项符合查询结果（耗时：0.0106秒） [XML]
make_unique and perfect forwarding
...ered Mar 11 '12 at 19:06
Johan RådeJohan Råde
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How to round to 2 decimals with Python?
...of answer):
def printC(answer):
print("\nYour Celsius value is {:0.2f}ºC.\n".format(answer))
Where:
: introduces the format spec
0 enables sign-aware zero-padding for numeric types
.2 sets the precision to 2
f displays the number as a fixed-point number
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Understanding Python's “is” operator
...floats and larger ints aren't interned.
– Magnus Lyckå
Sep 21 '17 at 13:56
2
@MagnusLyckå there...
SQL command to display history of queries
I would like to display my executed sql command history in my MYSQL Query Browser. What is the sql statement for displaying history?
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How to do a regular expression replace in MySQL?
...exp doesn't seem to have support for multibyte characters. regexp_replace('äöõü', 'ä', '') returns a long numeric string instead of real text.
– lkraav
Feb 20 '12 at 1:44
3
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Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
... port 3000 may already be in use. Look at http://mrjaba.posterous.com/starttcpserver-no-acceptor-runtimeerror
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What does “connection reset by peer” mean?
What is the meaning of the "connection reset by peer" error on a TCP connection? Is it a fatal error or just a notification or related to the network failure?
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RabbitMQ and relationship between channel and connection
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A Connection represents a real TCP connection to the message broker, whereas a Channel is a virtual connection (AMQP connection) inside it. This way you can use as many (virtual) connections as you want inside your application without overloading the broke...
Determine the process pid listening on a certain port
... This also includes processes that are connected on that port. lsof -i4TCP:80 -sTCP:LISTEN -t is probably what you want, instead.
– Nevir
Mar 26 '16 at 21:18
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How to prevent http file caching in Apache httpd (MAMP)
... 30 '12 at 15:30
Charlie RudenstålCharlie Rudenstål
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