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Why don't structs support inheritance?
...without any knowledge that a derived type is being used.)
So, if this actually happened, we'd have memory corruption issues. Specifically, within Square(), values[1].A*=2 would actually be modifying values[0].B!
Try to debug THAT!
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What is the difference between include and require in Ruby?
...unctionality, you can use
the load method.
The include method takes all the
methods from another module and
includes them into the current module.
This is a language-level thing as
opposed to a file-level thing as with
require. The include method is the
primary way to "extend" cla...
Access is denied when attaching a database
... Administrator. (right click-> run as administrator) that took care of all the weirdness in my case.
SQL SRV EXPRESS 2008 R2. Windows 7
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
In Stack Overflow question Redefining lambdas not allowed in C++11, why? , a small program was given that does not compile:
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How to run multiple .BAT files within a .BAT file
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Use:
call msbuild.bat
call unit-tests.bat
call deploy.bat
When not using CALL, the current batch file stops and the called batch file starts executing. It's a peculiar behavior dating back to the early MS-DOS days.
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Import PEM into Java Key Store
...BEGIN delimiter or having multiple PEMs in one file or both. Either remove all extraneous data and feed in each PEM in one at a time or use my tool, as detailed in my answer.
– Alastair McCormack
Apr 15 '13 at 14:39
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How to only find files in a given directory, and ignore subdirectories using bash
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If I wanted to list where all the above symlinks pointed to found in the above pattern, would I just use a pipe? Something like find /dev -maxdepth 1 -name 'abc-*' | ls -l
– suffa
Oct 10 '11 at 16:11
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What does “&” at the end of a linux command mean?
...s will not stay alive after the shell session is closed. SIGHUP terminates all running processes. By default anyway. If your command is long-running or runs indefinitely (ie: microservice) you need to pr-pend it with nohup so it remains running after you disconnect from the session:
nohup sh my_scr...
Difference: std::runtime_error vs std::exception()
... in the exception hierarchy. It has no other uses. In other words, conceptually it is an abstract class (even though it is not defined as abstract class in C++ meaning of the term).
std::runtime_error is a more specialized class, descending from std::exception, intended to be thrown in case of vari...
Git: Cannot see new remote branch
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First, double check that the branch has been actually pushed remotely, by using the command git ls-remote origin. If the new branch appears in the output, try and give the command git fetch: it should download the branch references from the remote repository.
If your remot...