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Why does C++ require a user-provided default constructor to default-construct a const object?
...ed
const POD p3 = POD(); //initialized
const POD p4; //uninitialized - error - as we cannot change it later on!
But if you make the class a non-POD:
struct nonPOD_A
{
nonPOD_A() {} //this makes non-POD
};
nonPOD_A a1; //initialized
const nonPOD_A a2; //initialized
Note the difference...
How do I properly force a Git push?
...uestion) tries to address this specific issue. Basically, it will bring an error and not push if the remote was modified since your latest fetch.
This is good if you're really sure a push --force is needed, but still want to prevent more problems. I'd go as far to say it should be the default push -...
ASP.NET Web Site or ASP.NET Web Application?
...f DLL files containing the same class name,
which will generate plenty of errors. The Web Site project was introduced with Visual Studio 2005, but it has turned out not to be popular.
Web Application:
The Web Application Project was created as an add-in and now exists as part
of SP 1 for Visual...
C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++特化模板函数的符号多重定义错误问题error LNK2005: "void __stdcall SerializeElements<class CLogEvent> ...fatal error LNK1169: 找到一个或多个多重定义的符号.我...特化模板函数SerializeElements时，报重复定义的错误，如下：
error LNK2005: "void __std...
How to Execute SQL Server Stored Procedure in SQL Developer?
... Are there any exceptions to this rule? I seem to be getting the error "Incorrect syntax near 'sp_dev_mystoredproc'." when executing with this syntax.
– nuzzolilo
Oct 24 '15 at 2:30
...
Merge, update, and pull Git branches without using checkouts
...fs/heads/$branch 2> /dev/null)"
if [ $? -ne 0 ]; then
echo "Error: unknown branch $branch" 1>&2
_usage
fi
commit_orig_hash="$(git rev-parse --verify $commit 2> /dev/null)"
if [ $? -ne 0 ]; then
echo "Error: unknown revision $commit" 1>&2
...
How to handle Objective-C protocols that contain properties?
... it in a concrete class that conforms to that protocol -- I get a compiler error claiming it's an undeclared variable. No typos confirmed.
– Coocoo4Cocoa
May 10 '09 at 4:26
...
Google Sheets API Setup · App Inventor 2 中文网
...ging Tips
Unable to resolve host "oauth2.googleapis.com"
If you get this error message, double check your device’s connection to the
internet. This is a sign that the Android networking subsystem can’t resolve
the hostname, so it’s not able to talk to DNS.
Attempt to invoke virtual method ...
invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
... Hmm.........added that to the top of the file but still get the same error message. Any suggestions?
– Artem Kalinchuk
Mar 19 '12 at 15:33
8
...
ImportError: No module named pip
...
With macOS 10.15 and Homebrew 2.1.6 I was getting this error with Python 3.7. I just needed to run:
python3 -m ensurepip
Now python3 -m pip works for me.
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