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Tuning nginx worker_process to obtain 100k hits per min
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Config file:
worker_processes 4; # 2 * Number of CPUs
events {
worker_connections 19000; # It's the key to high performance - have a lot of connections available
}
worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are pr...
How to find Unused Amazon EC2 Security groups
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Note: this only considers security use in EC2, not other services like RDS. You'll need to do more work to include security groups used outside EC2. The good thing is you can't easily (might not even be possible) to delete active security groups if you miss one asso...
What is function overloading and overriding in php?
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192
Overloading is defining functions that have similar signatures, yet have different parameters. O...
Equivalent of String.format in jQuery
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20 Answers
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C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...ent --> 的节点。
Text，指在<Name>Tom<Name>的粗体部分。
2、在XML中，可以用XmlNode对象来参照各种XML数据类型。
2.1 查询已知绝对路径的节点（集）
objNodeList = objDoc.SelectNodes("Company/Department/Employees/Employee")
或者
objNodeList...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...ent --> 的节点。
Text，指在<Name>Tom<Name>的粗体部分。
2、在XML中，可以用XmlNode对象来参照各种XML数据类型。
2.1 查询已知绝对路径的节点（集）
objNodeList = objDoc.SelectNodes("Company/Department/Employees/Employee")
或者
objNodeList...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
... you should use the values attribute:
In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c']); df
A B
a 1 4
b 2 5
c 3 6
In [2]: df.index.values
Out[2]: array(['a', 'b', 'c'], dtype=object)
This accesses how the data is already stored, so there's no need for a...
URLs: Dash vs. Underscore [closed]
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answered Sep 23 '08 at 5:54
billjamesdevbilljamesdev
14k66 gold badges4848 silver badges7272 bronze badges
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How can I find the number of arguments of a Python function?
...eters.
params = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
Additionally, you can call len on sig.parameters to also see the number of arguments this function requires:
print(len(params)) # 3
Each entry in the params mapping is actually a Parameter object that has further att...