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“open/close” SqlConnection or keep open?
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answered Dec 14 '10 at 13:02
Adriaan StanderAdriaan Stander
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What's the difference between findAndModify and update in MongoDB?
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If you fetch an item and then update it, there may be an update by another thread between thos...
What's the difference between using “let” and “var”?
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Labels for radio buttons in rails form
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<% form_for(@message) do |f| %>
<%= f.radio_button :contactmethod, 'email', :checke...
LESS CSS nesting classes
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The & character has the function of a this keyword, actually (a thing I did not know at th...
Print string and variable contents on the same line in R
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You can use paste with print
print(paste0("Current working dir: ", wd))
or cat
cat("Current...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...态中，最值得 注意的状态有两个：CLOSE_WAIT和TIME_WAIT。
1、LISTENING状态
TCP服务启动后首先处于侦听（LISTENING）状态。
2、ESTABLISHED状态
ESTABLISHED的意思是建立连接。表示两台机器正在通信。
3、CLOSE_WAIT
对方主动关闭连接或者...
How do I mock an open used in a with statement (using the Mock framework in Python)?
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The way to do this has changed in mock 0.7.0 which finally supports mocking the python protoco...
How do I round to the nearest 0.5?
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edited May 20 '19 at 11:35
extempl
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answered Aug 25 ...