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What happens when a duplicate key is put into a HashMap?
...value associated with the given key in the map (conceptually like an array indexing operation for primitive types).
The map simply drops its reference to the value. If nothing else holds a reference to the object, that object becomes eligible for garbage collection. Additionally, Java returns any...
Easily measure elapsed time
...td::chrono::microseconds>(end - begin).count()
– sqp_125
Nov 5 '18 at 10:07
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Is it fine to have foreign key as primary key?
...concepts in a database and can easily be mixed just as easily as adding an index (which would be a third separate concept).
– blindguy
Jan 24 at 16:57
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How do you get assembler output from C/C++ source in gcc?
...@Paladin - Not necessarily. The OP was about getting the assembler output equivalent of the C/C++ source code, this gets the Listing, which I agree is more useful for understanding what the compiler and optimizer is doing. But it would cause the assembler itself to barf, as it is not expecting the l...
How to store a command in a variable in a shell script?
...commended instead of backticks. y=$(eval $x) mywiki.wooledge.org/BashFAQ/082
– James Broadhead
Mar 11 '12 at 20:35
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How to configure postgresql for the first time?
I have just installed postgresql and I specified password x during installation.
When I try to do createdb and specify any password I get the message:
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Spring Boot not serving static content
...ll be resolved relative to these locations. Thus src/main/resources/static/index.html will be served when the request URL is /index.html. The class that is responsible for resolving the path, as of Spring 4.1, is org.springframework.web.servlet.resource.PathResourceResolver.
Suffix pattern matching ...
Is there a short contains function for lists?
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The list method index will return -1 if the item is not present, and will return the index of the item in the list if it is present. Alternatively in an if statement you can do the following:
if myItem in list:
#do things
You can also...
Yii2 data provider default sorting
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This solution works but the search in index doesn't work now.
– Roby Sottini
Nov 16 '17 at 12:14
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Android Fragment onClick button Method
... @Sanu nothing to do with lollipop pre lollipop. post another question with details..
– Raghunandan
Apr 28 '15 at 5:51
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