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Can a java file have more than one class?

...s to be a nested class. public class first { public static void main(String[] args) { // TODO Auto-generated method stub } public class demo1 { public class demo2 { } } } ...
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efficient way to implement paging

...ple? We don't use LINQ or straight access to the tables as we require the extra layer of security (granted the dynamic SQL breaks this somewhat). Something like this should do the trick. You can add in parameterized values for parameters, etc. exec sp_executesql 'WITH MyCTE AS ( SELECT TOP (...
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How to send a command to all panes in tmux?

...p a key binding - without the prefix, if you like - to toggle and focus an extra pane with your shell of choice, instead of sending <prefix>: before each command, losing the output after leaving the command, and all of the pitfalls that come with executing through Tmux. For example, <prefix...
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Source code highlighting in LaTeX

...bble=2, frame=lines, framesep=2mm]{csharp} string title = "This is a Unicode π in the sky" /* Defined as $\pi=\lim_{n\to\infty}\frac{P_n}{d}$ where $P$ is the perimeter of an $n$-sided regular polygon circumscribing a circle of diameter $d$. */ const doub...
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How do I Sort a Multidimensional Array in PHP [duplicate]

...set contains columns that cannot be compared in a "dumb" manner (e.g. date strings) you can also specify how to convert these items to a value that can be directly compared (e.g. a DateTime instance). It's associative if you want: this code takes care of sorting items, but you select the actual sort...
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Default value of a type at Runtime [duplicate]

... @Shimmy Why would this fail for string? The default value of string is null. – Mike Zboray Apr 19 '15 at 3:17 3 ...
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Redirect parent window from an iframe action

...ttribute is abscent all actions are allowed. If it is present and an empty string, all actions are denied. – Marcus Harrison Jul 3 '17 at 16:03  |  ...
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Change the name of the :id parameter in Routing resources for Rails

...asily change the name for routes created in this way by just passing in an extra option. Details I assume you've already somehow gotten the application working the way you want in the past year, but I will go into a way to get the effect you describe in Rails 3 in routes.rb. It will just involve a...
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Django filter versus get for single object?

... this with get(). Finally, the first option is both shorter and omits the extra temporary variable - only a minor difference but every little helps. share | improve this answer | ...
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How to get the day of week and the month of the year?

...,no. Just use the standard javascript Date class. No need for arrays or an extra library. See my answer: stackoverflow.com/a/50293232/760777 – RWC May 11 '18 at 13:20 ...