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Undefined reference to static constexpr char[]
...in my class. GCC complained and told me I should use constexpr , although now it's telling me it's an undefined reference. If I make the array a non-member then it compiles. What is going on?
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How does an underscore in front of a variable in a cocoa objective-c class work?
...ttributes have used an underscore _ in front of the variable. Does anyone know what this means? Or how it works?
9 Answers
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Switching between GCC and Clang/LLVM using CMake
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Thanks, I didn't know about this! Although I guess it depends on where cmake is looking for a compiler, right?
– Ibrahim
Dec 4 '12 at 5:55
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How to properly create composite primary keys - MYSQL
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Suppose you have already created a table now you can use this query to make composite primary key
alter table employee add primary key(emp_id,emp_name);
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How to implement OnFragmentInteractionListener
...ate for API 23: 8/31/2015
Overrided method onAttach(Activity activity) is now deprecated in android.app.Fragment, code should be upgraded to onAttach(Context context)
@Override
public void onAttach(Context context) {
super.onAttach(context);
}
@Override
public void onStart() {
super.onSt...
Zero-based month numbering [closed]
...d to change the month into something zero-based since people just want to know the name, not the number. It's a personal view.
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Do I need to disable NSLog before release Application?
...ingWithFormat:(s), ##__VA_ARGS__] )
#else
#define DLog( s, ... )
#endif
Now instead of NSLog use DLog everywhere. When testing and debugging, you'll get debug messages. When you're ready to release a beta or final release, all those DLog lines automatically become empty and nothing gets emitted....
Importing a CSV file into a sqlite3 database table using Python
...n to a file on disk is left as an exercise for the reader ... but there is now a two-liner made possible by the pandas library
df = pandas.read_csv(csvfile)
df.to_sql(table_name, conn, if_exists='append', index=False)
shar...
alternatives to REPLACE on a text or ntext datatype
... Just a note that the 2005+ nvarchar(max) doesn't have 4000 char limit. I know it's obvious (now, to me), but I first read it as if both answers had that limit.
– goodeye
Jan 17 '19 at 22:55
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android studio 0.4.2: Gradle project sync failed error
...em on the Android Studio feedback site, they found a solution for me. I am now using Gradle 1.10 and Android Studio 0.4.3.
Here is the link to the page with a description of how I fixed mine:
https://code.google.com/p/android/issues/detail?id=65219
Hope this helps!
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