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What does “Could not find or load main class” mean?
... option (starting with a "-" character), <class-name> is a fully qualified Java class name, and <arg> is an arbitrary command line argument that gets passed to your application.
1 - There are some other syntaxes which are described near the end of this answer.
The fully qualified n...
Can git ignore a specific line?
...
If your file is of a specific type, you can declare a content filter driver, that you can declare in a .gitattributes file (as presented in the "Keyword expansion" of "Git Attributes"):
*.yourType filter=yourFilterName
(you...
Change UICollectionViewCell size on different device orientations
...(NSIndexPath *)indexPath
{
// Adjust cell size for orientation
if (UIDeviceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation])) {
return CGSizeMake(170.f, 170.f);
}
return CGSizeMake(192.f, 192.f);
}
- (void)didRotateFromInterfaceOrientation:...
How to send an email using PHP?
...
what if i need to send a email from local server. i mean is there any way to access the nearest mailing server and make it send mail for me. i mean i can find the address of a yahoo mailing server and then i use that server for ma...
Convert string to nullable type (int, double, etc…)
... Nullable<T> result = new Nullable<T>();
try
{
if (!string.IsNullOrEmpty(s) && s.Trim().Length > 0)
{
TypeConverter conv = TypeDescriptor.GetConverter(typeof(T));
result = (T)conv.ConvertFrom(s);
}
}
catch { }
...
Why aren't programs written in Assembly more often? [closed]
...e a mainstream opinion that assembly programming takes longer and is more difficult to program in than a higher level language such as C. Therefore it seems to be recommend or assumed that it is better to write in a higher level language for these reasons and for the reason of better portability.
...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
...cal/mysql/support-files/mysql.server start
This worked for me. However, if this doesnt work then make sure that mysqld is running and try connecting.
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Why does an SSH remote command get fewer environment variables then when run manually? [closed]
I have a command that runs fine if I ssh to a machine and run it, but fails when I try to run it using a remote ssh command like :
...
How to get child element by class name?
...var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}
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impro...
In Python, what happens when you import inside of a function? [duplicate]
...he beginning whether or not the function is run?
No, it is only imported if and when the function is executed. 2, 3
As for the benefits: it depends, I guess. If you may only run a function very rarely and don't need the module imported anywhere else, it may be beneficial to only import it in that...