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Does every Core Data Relationship have to have an Inverse?
Let's say I have two Entity classes: SocialApp and SocialAppType
8 Answers
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Exposing database IDs - security risk?
I've heard that exposing database IDs (in URLs, for example) is a security risk, but I'm having trouble understanding why.
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What is the difference between up-casting and down-casting with respect to class variable
What is the difference between up-casting and down-casting with respect to class variable?
10 Answers
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How can I add to List
...y value from a family of types (rather than any value of a specific type). It means that any of these are legal assignments:
List<? extends Number> foo3 = new ArrayList<Number>; // Number "extends" Number
List<? extends Number> foo3 = new ArrayList<Integer>; // Integer exte...
What's a quick way to comment/uncomment lines in Vim?
I have a Ruby code file open in vi, there are lines commented out with # :
46 Answers
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Is there a “theirs” version of “git merge -s ours”?
When merging topic branch "B" into "A" using git merge , I get some conflicts. I know all the conflicts can be solved using the version in "B".
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How do you share code between projects/solutions in Visual Studio?
I have two solutions which have some common code, so I'd like to extract it out and share it between them. Furthermore, I'd like to be able to release that library independently because it might be useful to others.
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...ly' blocks. The reason is that C++ instead supports RAII: "Resource Acquisition Is Initialization" -- a poor name† for a really useful concept.
The idea is that an object's destructor is responsible for freeing resources. When the object has automatic storage duration, the object's destructor...
Android buildscript repositories: jcenter VS mavencentral
The last time I used Android Studio, it generated .gradle files with mavencentral() buildscript repositories whereas now there's jcenter() .
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decompiling DEX into Java sourcecode
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It's easy
Get these tools:
dex2jar to translate dex files to jar files
jd-gui to view the java files in the jar
The source code is quite readable as dex2jar makes some optimizations.
Procedure:
And here's the procedure on...