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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax

...ody annotated parameter is expected to hold the entire body of the request and bind to one object, so you essentially will have to go with your options. If you absolutely want your approach, there is a custom implementation that you can do though: Say this is your json: { "str1": "test one", ...
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Difference between dict.clear() and assigning {} in Python

In python, is there a difference between calling clear() and assigning {} to a dictionary? If yes, what is it? Example: ...
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How do you check if a certain index exists in a table?

... select like this: SELECT * FROM sys.indexes WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName') share | improve this answer | follow ...
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How to import a jar in Eclipse

...igure Build Path. Under Libraries tab, click Add Jars or Add External JARs and give the Jar. A quick demo here. The above solution is obviously a "Quick" one. However, if you are working on a project where you need to commit files to the source control repository, I would recommend adding Jar fil...
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What is “pom” packaging in maven?

I was given a maven project to compile and get deployed on a tomcat server. I have never used maven before today, but I have been googling quite a bit. It seems like the top level pom.xml files in this project have the packaging type set as pom . ...
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How to improve performance of ngRepeat over a huge dataset (angular.js)?

I have a huge dataset of several thousand rows with around 10 fields each, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when i...
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How do I close a connection early?

...TCP connection to the browser without ending the PHP script: Connection handling Docs Supposedly it requires a bit more than sending a close header. OP then confirms: yup, this did the trick: pointing to user-note #71172 (Nov 2006) copied here: Closing the users browser connection whilst ...
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Rubymine: How to make Git ignore .idea files created by Rubymine

...n't care about. But it keeps preventing me from checking out new branches, and makes my version of .idea/ different from my coworkers. ...
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Graphviz: How to go from .dot to a graph?

...ps If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there. You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o. If yo...
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How to make a class property? [duplicate]

... in self.__dict__: obj = self.__dict__.get(key) if obj and type(obj) is ClassPropertyDescriptor: return obj.__set__(self, value) return super(ClassPropertyMetaClass, self).__setattr__(key, value) # and update class define: # class Bar(object): # _...