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Is there more to an interface than having the correct methods
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Interfaces are a way to make your code more flexible. What you do is this:
Ibox myBox=new Rectangle();
Then, later, if you decide you want to use a different kind of box (maybe there's another library, with a better kind of box), you switch your code to:
Ibox myBox=new OtherKindOfBox...
explicit casting from super class to subclass
The assignment Dog dog = (Dog) animal; does not generate a compilation error, but at runtime it generates a ClassCastException . Why can't the compiler detect this error?
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Simple insecure two-way data “obfuscation”?
...your keys by just assuming that you used this code as-is! All you have to do is change some of the numbers (must be <= 255) in the Key and Vector arrays (I left one invalid value in the Vector array to make sure you do this...). You can use https://www.random.org/bytes/ to generate a new set ea...
How do I resolve “Cannot find module” error using Node.js?
After pulling down a module from GitHub and following the instructions to build it, I try pulling it into an existing project using:
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Best explanation for languages without null
...grammers are complaining about null errors/exceptions someone asks what we do without null.
11 Answers
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Passing parameters to a Bash function
... answered Jun 2 '11 at 8:57
dogbanedogbane
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Set CSS property in Javascript?
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Use element.style:
var element = document.createElement('select');
element.style.width = "100px";
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Why is f(i = -1, i = -1) undefined behavior?
...ns performing the assignment cannot be interleaved. It might be optimal to do so, depending on CPU architecture. The referenced page states this:
If A is not sequenced before B and B is not sequenced before A, then
two possibilities exist:
evaluations of A and B are unsequenced: they ...
Git cherry pick vs rebase
... its own tip commits in one way or another. Yes, this is a heavily dumbed down description of what git rebase can do, but it's intentional, to try to make the general idea sink in.
Update to further explain an example of using git rebase being discussed.
Given this situation,The Book states:
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Log4net does not write the log in the log file
...reated a simple scenario using Log4net, but it seems that my log appenders do not work because the messages are not added to the log file.
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