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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...、程序化交易等等的误解与混乱，特开贴探讨。破题篇：1、何谓：高频？T+0制度下，反反复复做同样一件...有感于，目前中国期货界，对于量化投资、程序化交易等等的误解与混乱，特开贴探讨。
破题篇：
1、何谓：高频...
Union of dict objects in Python [duplicate]
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115
This question provides an idiom. You use one of the dicts as keyword arguments to the dict() c...
Initialising an array of fixed size in python [duplicate]
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11 Answers
11
Active
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Move an item inside a list?
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161
Use the insert method of a list:
l = list(...)
l.insert(index, item)
Alternatively, you can...
Build vs new in Rails 3
...enrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client i...
How to update the value stored in Dictionary in C#?
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edited Nov 28 '12 at 11:12
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How to print a string in fixed width?
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115
EDIT 2013-12-11 - This answer is very old. It is still valid and correct, but people looking a...
android pick images from gallery
...ack from the image gallery Activity:
public static final int PICK_IMAGE = 1;
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == PICK_IMAGE) {
//TODO: action
}
}
That's how I call the image gallery. Put it in and see if it wor...
Jenkins Git Plugin: How to build specific tag?
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11 Answers
11
Active
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Changing java platform on which netbeans runs
I am using Netbeans 6.7. I had first installed Java 1.5 before installing Netbeans. When i installed Netbeans it took Java 1.5 as the default version. Then i installed Java 1.6 on my machine. I need to change the default JDK of my netbeans to 1.6 not only to a specific project but to the whole Netbe...