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Is there a use-case for singletons with database access in PHP?
... You say that singletons degrade nicely to DI, but isn't your example of getInstance(databaseName) still just scattering references to a global repository of instances throughout your code? The code that would call getInstance should have the instance(s) injected into it by the client co...
My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...ake sure I understood all of the concepts and the reasoning why technology X was invented over technology Y and so on. So here goes:
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Export database schema into SQL file
Is it possible in MS SQL Server 2008 to export database structure into a T-SQL file?
4 Answers
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File I/O in Every Programming Language [closed]
...that all programmers have from time to time.
How do I read a line from a text file? Then the next question is always how do i write it back.
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Difference between GIT and CVS
...ects (modules). The consequence of that design for user is that importing existing sources into version control is as simple as "git init && git add . && git commit" in Git, while it is more complicated in CVS.
Atomic operations. Because CVS at beginning was a set of scripts around p...
google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
... string value = "Hello World!";
MockFoo mockFoo;
EXPECT_CALL(mockFoo, getArbitraryString()).Times(1).
WillOnce(Return(value));
string returnValue = mockFoo.getArbitraryString();
cout << "Returned Value: " << returnValue << endl;
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
...like this have what is referred to by the centers as a "Panic Button". An example of a basic one is found here at the top of every page in the green bar.
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Why does Java switch on contiguous ints appear to run faster with added cases?
...plying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but not the fastest possible, see Update 2 below) to get the multiplied value is to switch on the exponent :
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mmap() vs. reading blocks
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I was trying to find the final word on mmap / read performance on Linux and I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap or r...
How does a hash table work?
I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me!
15 Answers
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