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Practical uses of git reset --soft?

... git reset is all about moving HEAD, and generally the branch ref. Question: what about the working tree and index? When employed with --soft, moves HEAD, most often updating the branch ref, and only the HEAD. This differ from commit --amend as: it doesn't cre...
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What does “Could not find or load main class” mean?

... The java <class-name> command syntax First of all, you need to understand the correct way to launch a program using the java (or javaw) command. The normal syntax1 is this: java [ <options> ] <class-name> [<arg> ...] where &...
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What are the -Xms and -Xmx parameters when starting JVM?

Please explain the use of Xms and Xmx parameters in JVMs. What are the default values for them? 5 Answers ...
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What's the difference between emulation and simulation? [duplicate]

In simple understandable terms, what is the difference between the two terms? 10 Answers ...
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Reducing memory usage of .NET applications?

...memory footprint is all about demystifying the working set, process memory and how to perform accurate calculations on your total in-RAM consumption. I will not say that you should ignore the memory footprint of your application -- obviously, smaller and more efficient does tend to be desirable. Ho...
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa

I'm used to using relational databases like MySQL or PostgreSQL, and combined with MVC frameworks such as Symfony, RoR or Django, and I think it works great. ...
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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]

... Historically, the first extensions used for C++ were .c and .h, exactly like for C. This caused practical problems, especially the .c which didn't allow build systems to easily differentiate C++ and C files. Unix, on which C++ has been developed, has case sensitive file systems....
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Difference between private, public, and protected inheritance

...g "next:". There are three accessors that I'm aware of: public, protected and private. Let: class Base { public: int publicMember; protected: int protectedMember; private: int privateMember; }; Everything that is aware of Base is also aware that Base contai...
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“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed

... the web server to the new load balancer. Amazon requires the private key and certs to be in PEM format, so I used the "rekey" tool at GoDaddy to create new certs. When I load those in the load balancer setup screen on AWS Mgmt Console, I get the error message: "Public Key Certificate and Private ...
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Stack Memory vs Heap Memory [duplicate]

I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporar...