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How do I script a “yes” response for installing programs?
... it to) indefinitely. Use it as:
yes | command-that-asks-for-input
or, if a capital 'Y' is required:
yes Y | command-that-asks-for-input
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Bring a window to the front in WPF
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Actually it can be done with this: if (myWindow.WindowState == WindowState.Minimized) myWindow.WindowState = WindowState.Normal; Oddly it will also preserve any Maximized windows and not revert them to a Normal state.
– r41n
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How to print third column to last column?
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Note that this only works if the delimiter is exactly the same between all columns... For example, you can't use cut with a delimiter like \d+. (That I know of.)
– Zach Wily
Jan 13 '10 at 21:11
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The object cannot be deleted because it was not found in the ObjectStateManager
...going on when deleting child data from a parent - which was called from a different context, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved.
– dan richardson
Feb 7 '13 at 10:31
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What is a proper naming convention for MySQL FKs?
...ySQL, there is no need to give a symbolic name to foreign key constraints. If a name is not given, InnoDB creates a unique name automatically.
In any case, this is the convention that I use:
fk_[referencing table name]_[referenced table name]_[referencing field name]
Example:
CREATE TABLE users...
Why is “origin/HEAD” shown when running “git branch -r”?
...remote repo on GitHub, say, with two branches: master and awesome-feature. If I do git clone to grab it and then go into my new directory and list the branches, I see this:
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Docker - a way to give access to a host USB or serial device?
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Still doesn't work if the USB device is connected after Docker is already running.
– Franklin Dattein
Oct 25 '16 at 19:38
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What is the difference between NaN and None?
...numerically invalid" in this context.
The main "symptom" of that is that, if you perform, say, an average or a sum on an array containing NaN, even a single one, you get NaN as a result...
In the other hand, you cannot perform mathematical operations using None as operand.
So, depending on the ca...
How to delete all data from solr and hbase
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If you want to clean up Solr index -
you can fire http url -
http://host:port/solr/[core name]/update?stream.body=<delete><query>*:*</query></delete>&commit=true
(replace [core name] with th...
NSDictionary - Need to check whether dictionary contains key-value pair or not
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Just ask it for the objectForKey:@"b". If it returns nil, no object is set at that key.
if ([xyz objectForKey:@"b"]) {
NSLog(@"There's an object set for key @\"b\"!");
} else {
NSLog(@"No object set for key @\"b\"");
}
Edit: As to your edited second que...