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What is the difference between persist() and merge() in JPA and Hibernate?

... answered Dec 22 '10 at 12:57 axtavtaxtavt 223k3636 gold badges481481 silver badges467467 bronze badges ...
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How can building a heap be O(n) time complexity?

... 490 I think there are several questions buried in this topic: How do you implement buildHeap so it ...
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What is the correct answer for cout

... Which means that it requires the code to produce result b, which outputs 01. See P0145R3 Refining Expression Evaluation Order for Idiomatic C++ for more details. share | improve this answer ...
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Android: Difference between Parcelable and Serializable?

...); } @Override public int describeContents() { return 0; } @Override public void writeToParcel(Parcel dest, int flags) { dest.writeInt(age); dest.writeString(name); dest.writeStringList(address); } public int getAge() { retur...
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How do I analyze a program's core dump file with GDB when it has command-line parameters?

...ows crash scenario Program terminated with signal 11, Segmentation fault. #0 __strlen_ia32 () at ../sysdeps/i386/i686/multiarch/../../i586/strlen.S:99 99 ../sysdeps/i386/i686/multiarch/../../i586/strlen.S: No such file or directory. in ../sysdeps/i386/i686/multiarch/../../i586/strlen.S (gdb)...
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correct way to use super (argument passing)

... 107 Sometimes two classes may have some parameter names in common. In that case, you can't pop the ...
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Why declare unicode by string in python?

... | edited Jul 3 '10 at 5:51 answered Jul 3 '10 at 4:34 ...
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Java Persistence / JPA: @Column vs @Basic

... answered Sep 5 '09 at 14:10 djnadjna 51.6k1111 gold badges6868 silver badges106106 bronze badges ...
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_=> what does this underscore mean in Lambda expressions?

... | edited May 6 '10 at 4:11 answered May 6 '10 at 4:04 ...
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What is a tracking branch?

... | edited May 8 at 19:50 community wiki 6 re...