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Bidirectional 1 to 1 Dictionary in C#

...turn firstToSecond.Count; } } /// <summary> /// Removes all items from the dictionary. /// </summary> public void Clear() { firstToSecond.Clear(); secondToFirst.Clear(); } } ...
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Redis key naming conventions?

...to". Are you able to query for just the beginning of the key to return all users? If you mean someting like directly querying for all keys which starts with user: there is a keys command for that. This command should be however used only for debugging purpose since it's O(N) because it's sea...
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Maintain model of scope when changing between views in AngularJS

...hen presses the back button, to get back to the old page; and not just put all my data into the rootscope. The final result is to have a service for each controller. In the controller, you just have functions and variables that you dont care about, if they are cleared. The service for the control...
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Open a file with su/sudo inside Emacs

... My point was really that you pay the cost for the first opened file, and not for any of the others. – EfForEffort Jun 13 '13 at 15:02 ...
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How to change options of with jQuery?

...>") .attr("value", value).text(key)); }); Edit: For removing the all the options but the first, you can use the :gt selector, to get all the option elements with index greater than zero and remove them: $('#selectId option:gt(0)').remove(); // remove all options, but not the first ...
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How do I write a correct micro-benchmark in Java?

...istics. Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigger all initializations and compilations before timing phase(s). (Fewer iterations is OK on the warmup phase. The rule of thumb is several tens of thousands of inner loop iterations.) Rule ...
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Cleaning up old remote git branches

... the end of your git statement to see the result of running it without actually running it. Docs for git remote prune and git branch. share | improve this answer | follow ...
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What causes java.lang.IncompatibleClassChangeError?

...out recompiling the client code. Java Language Specification §13 details all such changes, most prominently, changing non-static non-private fields/methods to be static or vice versa. Recompile the client code against the new library, and you should be good to go. UPDATE: If you publish a public...
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In Android EditText, how to force writing uppercase?

... Android actually has a built-in InputFilter just for this! edittext.setFilters(new InputFilter[] {new InputFilter.AllCaps()}); Be careful, setFilters will reset all other attributes which were set via XML (i.e. maxLines, inputType,ime...
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Get the Row(s) which have the max count in groups using groupby

How do I find all rows in a pandas dataframe which have the max value for count column, after grouping by ['Sp','Mt'] columns? ...