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What is the difference between encrypting and signing in asymmetric encryption?
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When encrypting, you use their public key to write a message and they use their private key to read it.
When signing, you use your private key to write message's signature, and they use your public key to check if it's really yours.
I want to use my private key to genera...
What is the relationship between Looper, Handler and MessageQueue in Android?
...tion/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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When does System.gc() do something?
...t basis/parameters exactly does the JVM decide to do (or not do) a GC when it sees System.gc() ?
16 Answers
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AutoMapper vs ValueInjecter [closed]
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as the creator of ValueInjecter, I can tell you that I did it because I wanted something simple and very flexible
I really don't like writing much or writing lots of monkey code like:
Prop1.Ignore, Prop2.Ignore etc.
CreateMap<Foo,Bar>(); CreateMap<Tomato, Potato>(); et...
iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...love Rspec on our Ruby projects. Cedar isn't meant to replace or compete with OCUnit; it's meant to bring the possibility of BDD-style testing to Objective C, just as Rspec pioneered BDD-style testing in Ruby, but hasn't eliminated Test::Unit. Choosing one or the other is largely a matter of style...
How do I address unchecked cast warnings?
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The obvious answer, of course, is not to do the unchecked cast.
If it's absolutely necessary, then at least try to limit the scope of the @SuppressWarnings annotation. According to its Javadocs, it can go on local variables; this way, it doesn't even affect the entire method.
Example:
@Sup...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
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You can have the script call itself with psexec's -h option to run elevated.
I'm not sure how you would detect if it's already running as elevated or not... maybe re-try with elevated perms only if there's an Access Denied error?
Or, you could simply h...
Making a div vertically scrollable using CSS
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You have it covered aside from using the wrong property. The scrollbar can be triggered with any property overflow, overflow-x, or overflow-y and each can be set to any of visible, hidden, scroll, auto, or inherit. You are currently l...
What is the most effective way to get the index of an iterator of an std::vector?
I'm iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways:
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Is HTML considered a programming language? [closed]
... is so common that I'd expect almost any technology person to already know it (although not stuff like CSS and so on), so you might consider not listing every initialism you've ever come across. I tend to regard CVs listing too many things as suspicious, so I ask more questions to weed out the stuff...