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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...iest way is:
@RequestMapping(method = RequestMethod.GET)
public ModelAndView showResults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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How to run multiple .BAT files within a .BAT file
...ts.bat
call deploy.bat
When not using CALL, the current batch file stops and the called batch file starts executing. It's a peculiar behavior dating back to the early MS-DOS days.
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What framework for MVVM should I use? [closed]
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It really depends on what you are trying to achieve, and how much infrastructure you want in place already, plus the ease with which you can find samples that help you out. I'm going to declare an interest here, because I've been actively involved in at least one MVVM framework...
Binding arrow keys in JS/jQuery
How do I go about binding a function to left and right arrow keys in Javascript and/or jQuery? I looked at the js-hotkey plugin for jQuery (wraps the built-in bind function to add an argument to recognize specific keys), but it doesn't seem to support arrow keys.
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Difference between GIT and CVS
What is the difference between Git and CVS version control systems?
5 Answers
5
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Reading an Excel file in python using pandas
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Close: first you call ExcelFile, but then you call the .parse method and pass it the sheet name.
>>> xl = pd.ExcelFile("dummydata.xlsx")
>>> xl.sheet_names
[u'Sheet1', u'Sheet2', u'Sheet3']
>>> df = xl.parse("Sheet1")
>>> df.head()
Tid du...
How do Trigonometric functions work?
So in high school math, and probably college, we are taught how to use trig functions, what they do, and what kinds of problems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you'...
What is the point of Lookup?
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It's a cross between an IGrouping and a dictionary. It lets you group items together by a key, but then access them via that key in an efficient manner (rather than just iterating over them all, which is what GroupBy lets you do).
For example, you could take...
Generating an Excel file in ASP.NET [closed]
...ow would you return the data? I'm looking for something that's as clean and straightforward as possible.
26 Answers
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How can you do paging with NHibernate?
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From NHibernate 3 and above, you can use QueryOver<T>:
var pageRecords = nhSession.QueryOver<TEntity>()
.Skip((PageNumber - 1) * PageSize)
.Take(PageSize)
.List();
You may also want to explici...