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Does adding a duplicate value to a HashSet/HashMap replace the previous value
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@mystarrocks: The key is the element of the Set, and that is never replaced by the put() operation.
– Keppil
Jun 10 '14 at 15:05
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
...se IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there.
Select the Execution Env as show below. Click OK
Then Right-Click on your Project -> Maven -> Update Project
Additionally, you may have to ch...
C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
... .Include(i => i.Category)
.Include(i => i.Brand)
.FistOrDefault(x => x.ItemId == id);
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Convert Enum to String
... This deserves more attention. The obvious limitation notwithstanding, i.e. the requirement for compile-time input. In my opinion this should be preferred whenever possible. 'Rename' and 'find all references' take it into account as well, potentially avoiding magic strings and duplicate ...
Measure execution time for a Java method [duplicate]
...ethod involves lots of db transactions ?
– feel good and programming
Aug 18 '15 at 5:49
I do not see why the number of...
Chrome can't load web worker
... a relative URL, is the same as loading a file with the file: protocol. -- and it's not cool for web pages to be able to just access your file system on a whim.
– ChaseMoskal
Jul 20 '14 at 22:59
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req.body empty on posts
...of the 3 options available for content type select "X-www-form-urlencoded" and it should work.
Also to get rid of error message replace:
app.use(bodyParser.urlencoded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
See https://github.com/expressjs/body-parser
The 'body-parser' middl...
Progress indicator during pandas operations
I regularly perform pandas operations on data frames in excess of 15 million or so rows and I'd love to have access to a progress indicator for particular operations.
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How do I list all remote branches in Git 1.7+?
...the list of those that I haven't? (It doesn't matter to me whether the command lists all remote branches or only those that are untracked.)
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string c_str() vs. data()
I have read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not.
As far as I have seen in actual implementations, they either do the same or data() calls c_str() .
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