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What's the purpose of the LEA instruction?
...s in EAX, and xcoord and ycoord are each 32 bits (so ycoord is at offset 4 bytes in the struct), this statement can be compiled to:
MOV EDX, [EBX + 8*EAX + 4] ; right side is "effective address"
which will land y in EDX. The scale factor of 8 is because each Point is 8 bytes in size. Now consi...
What's the difference between compiled and interpreted language?
...s translated into native machine instructions, which are executed directly by the hardware.
In an interpreted implementation, the original program is translated into something else. Another program, called "the interpreter", then examines "something else" and performs whatever actions are called fo...
What's the difference between faking, mocking, and stubbing?
...ld a very lightweight implementation of the same functionality as provided by a component that the SUT depends on and instruct the SUT to use it instead of the real.
Stub : This implementation is configured to respond to calls from the SUT with the values (or exceptions) that will exercise the Untes...
Which $_SERVER variables are safe?
... values into three categories:
Server controlled
These variables are set by the server environment and depend entirely on the server configuration.
'GATEWAY_INTERFACE'
'SERVER_ADDR'
'SERVER_SOFTWARE'
'DOCUMENT_ROOT'
'SERVER_ADMIN'
'SERVER_SIGNATURE'
Partly server controlled
These variables de...
Git branching strategy integated with testing/QA process
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we do indirectly, by merging one and then the other one to develop. It is step 4 of the process above and it has to do with chronological order. So if feature 2 is ready to be merged but feature 1 was already merged, the feature 2 developer an...
How do you determine which backend is being used by matplotlib?
...or from within a script, how can you determine which backend is being used by matplotlib?
2 Answers
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Explain how finding cycle start node in cycle linked list work?
...beginning of linked list while keeping the hare at meeting place, followed by moving both one step at a time make them meet at starting point of cycle?
...
What are copy elision and return value optimization?
... occurs - skip to this answer.
Copy elision is an optimization implemented by most compilers to prevent extra (potentially expensive) copies in certain situations. It makes returning by value or pass-by-value feasible in practice (restrictions apply).
It's the only form of optimization that elides (...
How to replace all occurrences of a character in string?
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Unfortunately, this allows to replace only one char by another char. It cannot replace a char with more chars (that is, by a string). Is there a way to do a search-replace with more chars?
– SasQ
Aug 9 '12 at 9:26
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What is sharding and why is it important?
...r.
From Wikipedia:
Horizontal partitioning is a design principle whereby rows of a database table are held separately, rather than splitting by columns (as for normalization). Each partition forms part of a shard, which may in turn be located on a separate database server or physical location. ...