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java: HashMap not working
...mple
Map<String,Integer> m = new HashMap<String,Integer>();
Now both are objects, so this will work.
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Should I use #define, enum or const?
...o useful for debugging; use it in initialisation lists and destructors to know if the variable's value should be used.
xInvalid = 16 };
Consider that you have two purposes for this type. To track the current state of a record and to create a mask to select records in certain states. Create an inl...
What is the “-d” in “npm -d install”?
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OK. now we know that "-D" and "-d" are different options. But what does "-d" do? I ever seen "-dd" and still don't know what it is used for
– titou10
Jan 8 at 14:49
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Why is creating a new process more expensive on Windows than Linux?
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In addition to the answer of Rob Walker:
Nowadays you have things like the Native POSIX Thread Library - if you want.
But for a long time the only way to "delegate" the work in the unix world was to use fork() (and it's still prefered in many, many circumstances).
e...
Remove tracking branches no longer on remote
... awk do all of the filtering: awk '/: gone]/{if ($1!="*") print $1}'. This now works as expected.
– rhaben
Aug 23 '16 at 17:29
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How to get controls in WPF to fill available space?
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Link is now dead
– user3690202
Dec 21 '15 at 21:58
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
...ariable ignore has to be initialized before entering into main() function. Now in order to initialize the global, print_fibs() needs to be executed where you can do anything — in this case, compute fibonacci numbers and print them! A similar thing I've shown in the following question (which I had ...
Using an ORM or plain SQL? [closed]
...a lot of work in getting data in and out of the database. (You'll want to know how it handles polymorphism and many-to-many relationships if you need to map those. It's these two domains that provide most of the 'impedance mismatch' that makes some call ORM the 'vietnam of computer science'.)
For a...
How does Java Garbage Collection work with Circular References?
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@Jörg W Mittag: Certainly true -- though I don't know of a (reasonably current) JVM that uses reference counting, so it seems unlikely (at least to me) that it makes much difference to the original question.
– Jerry Coffin
Dec 15 '09 at...
How to change field name in Django REST Framework
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Now this exception is throwing AttributeError at /ViewName/ 'module' object has no attribute 'SerializerMethodField'
– Shoaib Ijaz
Apr 9 '14 at 9:52
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