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Difference between static class and singleton pattern?
...eap, except for local method variables/parameters. 2) If you can clone it, then it's not a properly implemented singleton. 3) Singleton is known as a OOP anti-pattern; i.e. something that you should avoid if possible. 4) This is the only thing that's correct.
– Groo
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What does int argc, char *argv[] mean?
...2 'arg 3'
If you declared your main as int main(int argc, char *argv[]), then (in most environments), your main() will be called as if like:
p = { "myprog", "arg1", "arg2", "arg 3", NULL };
exit(main(4, p));
However, if you declared your main as int main(), it will be called something like
exi...
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...ure the MySQL server with
character_set_server=utf8mb4. Connector/J will then use that setting
as long as characterEncoding has not been set in the connection
string. This is equivalent to autodetection of the character set.
Adjust your columns and database as well:
var1 varchar(255) CHARAC...
Enum Naming Convention - Plural
...Status == OrderStatus.Pending is recognized as a variable for the left and then an enumeration on the right
– James Hurley
Jan 31 '17 at 23:04
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Insert the carriage return character in vim
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If you're using the default Windows installation then replace CTRL+V by CTRL+Q since CTRL+V is remmaped to 'paste'.
– Cyber Oliveira
Oct 20 '09 at 15:12
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How to throw std::exceptions with variable messages?
...uncate the message. I consider truncating an error message a better option then failing. Also, convenience of format strings has been proven by many different languages. But you are right, it is largely a matter of taste.
– Maxim Egorushkin
Sep 4 '12 at 12:01
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ViewPager with previous and next page boundaries
...pearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
Then set negative page margin for PageView equal to 2*(previous view padding)
int margin = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 20*2, getResources().getDisplayMetrics());
mViewPager.setPageMargin(-...
How do I determine the dependencies of a .NET application?
...t just exits without much of an explanation. If it doesn't work with .NET, then is there some other tool that would help me debug a run-time DLL loading issue?
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How to tell which commit a tag points to in Git?
....gitconfig if you use it a lot:
[alias]
tagcommit = rev-list -n 1
And then call it with:
$ git tagcommit $TAG
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Calling Java from Python
... a native C# library, and you can use it without needing the JVM. You can then create a C# DLL wrapper project, and add a reference to the converted DLL.
You can now create some wrapper stubs that call the methods that you want to expose, and mark those methods as DllEport. See https://stackoverf...