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When should I use the new keyword in C++?
...se, there are many times that you code will be much simpler (e.g. handling error cases) using Method 2 (the one without the new)
– Daniel LeCheminant
Mar 18 '09 at 1:04
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Rails: Default sort order for a rails model?
...he block is evaluated at runtime. If you don't use a block you'll get this error:
Support for calling #default_scope without a block is removed. For example instead of default_scope where(color: 'red'), please use default_scope { where(color: 'red') }. (Alternatively you can just redefine self.d...
What does “Auto packing the repository for optimum performance” mean?
...... fatal: Out of memory, malloc failed (tried to allocate 79610689 bytes) error: failed to run repack -- this is what I get for sticking our entire codebase into one git repo. Guess I'm going to kill apps and force repack "manually"
– ruffin
Feb 7 '13 at 15:07...
What data is stored in Ephemeral Storage of Amazon EC2 instance?
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Actually, I just went ahead and did this but there was an error anyway: Unable to connect to your database server using the provided settings. Filename: core/Loader.php Line Number: 346 Any ideas? This wasn't happening prior to doing this.
– James
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C++ lambda with captures as a function pointer
...code compiles fine without lambda captures, but there is a type conversion error with lambda capture.
Solution with C++11 is to use std::function (edit: another solution that doesn't require modifying the function signature is shown after this example). You can also use boost::function (which ac...
How to set custom location for local installation of npm package?
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When doing this, I am getting error No version provided in package.json
– FooBar
Aug 30 '16 at 20:06
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When to use dynamic vs. static libraries
...pletely unusable due to unresolved references, but it won't cause a linker error until you reference a function or variable from those object files. This may happen long after the library is written.
Debug symbols: You may want a separate PDB for each static library, or you may want the debug symbol...
How to use Greek symbols in ggplot2?
... thanks. But how's that exactly? xlab(expression(Delta)price) gives an error
– jf328
Mar 30 '17 at 10:03
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How to declare std::unique_ptr and what is the use of it?
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I cannot use unique_ptr, without getting an error: The text ">" is unexpected. It may be that this token was intended as a template argument list terminator but the name is not known to be a template., even though I have #include <utility> and #include <me...
In pure functional languages, is there an algorithm to get the inverse function?
... "chase" a solution while we explore a design space using "undefined" and "error" during development). A "bottom" x has the type a. It "inhabits" (or is a "value") of every type. This is a logical contradiction, since types are propositions and there is no value which satisfies every proposition....