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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C++内核技术
...
<parameter type="System.String"/>
<parameter index="0"/>
</parameter>
</knownType>
</add>
</declaredTypes>
</dataContractSerializer>
</system.runtime.serialization>
以上代码就指定了将Circle<Dictionary<string, T>>...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C++内核技术
...
<parameter type="System.String"/>
<parameter index="0"/>
</parameter>
</knownType>
</add>
</declaredTypes>
</dataContractSerializer>
</system.runtime.serialization>
以上代码就指定了将Circle<Dictionary<string, T>>...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
<parameter type="System.String"/>
<parameter index="0"/>
</parameter>
</knownType>
</add>
</declaredTypes>
</dataContractSerializer>
</system.runtime.serialization>
以上代码就指定了将Circle<Dictionary<string, T>>...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
<parameter type="System.String"/>
<parameter index="0"/>
</parameter>
</knownType>
</add>
</declaredTypes>
</dataContractSerializer>
</system.runtime.serialization>
以上代码就指定了将Circle<Dictionary<string, T>>...
Why can I add named properties to an array as if it were an object?
...n it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys don't "fit" an Array:
var myArray = Array();
myArray['A'] = "Athens";
myArray['B'] = "Berlin";
alert(myArray.length);
...
Hidden features of Python [closed]
...
Wrap an iterable with enumerate and it will yield the item along with its index.
For example:
>>> a = ['a', 'b', 'c', 'd', 'e']
>>> for index, item in enumerate(a): print index, item
...
0 a
1 b
2 c
3 d
4 e
>>>
References:
Python tutorial—looping techniques
Pytho...
How do I redirect to the previous action in ASP.NET MVC?
...nathanridley: This does not work for POST requests. Say the user is on GET Index then GET Edit. The referring URL then is Index but then when the user does POST Edit the referrer is now Edit from the preceding GET request. How can I make sure POST Edit knows the URL that referred the user to GET Edi...
How to write DataFrame to postgres table?
...rt/database')
df.head(0).to_sql('table_name', engine, if_exists='replace',index=False) #truncates the table
conn = engine.raw_connection()
cur = conn.cursor()
output = io.StringIO()
df.to_csv(output, sep='\t', header=False, index=False)
output.seek(0)
contents = output.getvalue()
cur.copy_from(out...
Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...... and ended up with this utility function:
function getArg(key) {
var index = process.argv.indexOf(key);
var next = process.argv[index + 1];
return (index < 0) ? null : (!next || next[0] === "-") ? true : next;
}
It eats an argument-name and will search for this in process.argv. If not...
Sorting a Python list by two fields
...
@MikeAxiak: docs.python.org/2/library/stdtypes.html#index-29 states in comment 9: Starting with Python 2.3, the sort() method is guaranteed to be stable. A sort is stable if it guarantees not to change the relative order of elements that compare equal — this is helpful for s...