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Linux/Unix command to determine if process is running?
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14 Answers
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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191
Use INSERT ... ON DUPLICATE KEY UPDATE. For example:
INSERT INTO `usage`
(`thing_id`, `times_...
Batch files - number of command line arguments
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105
Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do S...
UILabel with text of two different colors
...ame
value:[UIColor redColor]
range:NSMakeRange(10, 1)];
[label setAttributedText: text];
I created a UILabel extension to do it.
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How to list npm user-installed packages?
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How to get year/month/day from a date object?
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How would I extract a single file (or changes to a file) from a git stash?
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1166
On the git stash manpage you can read (in the "Discussion" section, just after "Options" desc...
How do I prevent a Gateway Timeout with FastCGI on Nginx
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edited Aug 5 '14 at 20:22
undur_gongor
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How can I make an svg scale with its parent container?
...lt;svg>
<polygon fill=red stroke-width=0
points="0,10 20,10 10,0" />
</svg>
It will render as a 10px by 20px triangle:
Now, if you set only the width and height, that will change the size of the SVG element, but not scale the triangle:
<svg width=100 height=...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
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一、OceanBase启动时的使用模式
二、 基础数据结构
2.1 easy_list_t
2.2 easy_pool_t
2.3 easy_buf_t
2.4 easy_connection_t
三、 连接建立
四、 同步处理(OceanBase少量使用这种模式)
五、 异步处理(OceanBase大量采用这种模式)
六、 资源管...