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Difference between HashSet and HashMap?
... does not allow duplicate values, what is the difference between HashMap and HashSet ?
19 Answers
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How to create strings containing double quotes in Excel formulas?
...nating using & with a double quote just before or just after the ampersand didn't work using the double-double-quote method.
– Amos M. Carpenter
Jun 24 '15 at 7:57
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Sound alarm when code finishes
I am in a situation where my code takes extremely long to run and I don't want to be staring at it all the time but want to know when it is done.
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Django South - table already exists
I am trying to get started with South. I had an existing database and I added South ( syncdb , schemamigration --initial ).
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What is this 'Waiting for Background operation' in Visual Studio 2012?
...appen during a plain old code edit, not on explicitly invoking any IDE command.
20 Answers
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How do I make a Mac Terminal pop-up/alert? Applescript?
... edited Sep 9 '15 at 13:54
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Apr 7 '11 at 22:20
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Build project into a JAR automatically in Eclipse
... for is, that like Eclipse automatically builds a project's .class files and put them in target folder; it should also build a JAR automatically and copy the latest JAR at some or a specific location.
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Store pictures as files or in the database for a web app?
My question is fairly generic and I know there might not be an 100% answer to it. I'm building an ASP .NET web solution that will include a lot of pictures and hopefully a fair amount of traffic. I do really want to achieve performance.
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Bidirectional 1 to 1 Dictionary in C#
...neToOne<T, S> which is guaranteed to only contain one of each value and key (up to RefEquals anyway), and which can be searched using either key or value. Anyone know of one, or should I just implement it myself? I can't believe that I'm the first person to need this...
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Object.watch() for all browsers?
Please note that Object.Watch and Object.Observe are both deprecated now (as of Jun 2018).
8 Answers
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