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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...
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...
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
...
How do I run a batch script from within a batch script?
...script, in case any command in the called script returns a non-zero value (error), the callee script will stop to execute as well, where using call, it will continue its execution even with an error in the called script.
– Bruno Finger
Oct 24 '17 at 8:27
...
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
...
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
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Exception thrown in NSOrderedSet generated accessors
...ith your data model and one of my own with different names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
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How to get a list of MySQL views?
...something. It seems like mysql is finding that and it may be causing that ERROR 1102 (42000): Incorrect database name 'mysql.bak' error.
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