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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...rules are left-recursive. This produces a much more efficient AST when it comes time for code generation because it avoids the need for multiple registers and unnecessary spilling (a left-leaning tree can be collapsed whereas a right-leaning tree cannot).
In terms of personal taste, I think that LA...
Android: How to handle right to left swipe gestures
... thanks it worked for me with these modifications : stackoverflow.com/a/19506010/401403
– Arash
Apr 4 '14 at 10:35
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Removing the remembered login and password list in SQL Server Management Studio
I've recently used our company's spare laptop (that has a general user set up) while mine was being repaired. I've checked the "Remember password" option in SQL Server Management Studio when logging in to the database.
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How to put spacing between TBODY elements
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Why are local variables not initialized in Java?
... output could be some unexpected value. So in case of local variables, the compiler will ask the programmer to initialize with some value before they access the variable to avoid the usage of undefined values.
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How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
...optimizations are made available to iOS 7, except size classes that have a Compact Height. This has been confirmed by Apple and is now stated directly in the documentation:
For apps supporting versions of iOS earlier than iOS 8, most size classes are backward compatible.
Size classes are backward c...
Should we pass a shared_ptr by reference or by value?
... but as shown here it is cheaper to pass by value: stackoverflow.com/a/12002668/128384 shouldn't that be taken into account as well (at least for constructor arguments etc where a the shared_ptr is going to be made a member of the class)?
– stijn
Jan ...
Why can't a text column have a default value in MySQL?
...lue" returns about 2,940 results on Google. Most of them are reports of incompatibilities when trying to install DB scripts that worked on one system but not others.
I am running into the same problem now on a webapp I'm modifying for one of my clients, originally deployed on Linux MySQL v5.0.83-l...
Difference in make_shared and normal shared_ptr in C++
...t;("bar"));
Update II: Disadvantage of std::make_shared
Quoting Casey's comments:
Since there there's only one allocation, the pointee's memory cannot be deallocated until the control block is no longer in use. A weak_ptr can keep the control block alive indefinitely.
Why do instances of we...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
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Try quitting and restarting the simulator? If "worse comes to worst" you can always try restarting: in my experience this should fix it.
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