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Can I restore a single table from a full mysql mysqldump file?
...extract only the table you want.
Let say the name of your table is mytable and the file mysql.dump is the file containing your huge dump:
$ sed -n -e '/CREATE TABLE.*`mytable`/,/Table structure for table/p' mysql.dump > mytable.dump
This will copy in the file mytable.dump what is located between...
Get program execution time in the shell
...nt to execute something in a linux shell under a few different conditions, and be able to output the execution time of each execution.
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Does .NET have a way to check if List a contains all items in List b?
... }
}
This checks whether there are any elements in b which aren't in a - and then inverts the result.
Note that it would be slightly more conventional to make the method generic rather than the class, and there's no reason to require List<T> instead of IEnumerable<T> - so this would p...
What is the mouse down selector in CSS?
I have noticed that buttons and other elements have a default styling and behave in 3 steps: normal view, hover/focus view and mousedown/click view, in CSS I can change the styling of normal view and hover view like this:
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Display the current time and date in an Android application
How do I display the current date and time in an Android application?
23 Answers
23
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Reference alias (calculated in SELECT) in WHERE clause
...x (or costly to calculate) you should probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, ev...
When to use generic methods and when to use wild-card?
...am pretty confused about the comparison when it says when to use wild-card and when to use generic methods.
Quoting from the document.
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Is there an easy way to strike through text in an app widget?
...s wondering if there is an easy way to strike text within an app widget in Android. In a normal activity, it is pretty easy, using textview flags:
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Ignore with CSS?
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With css, you can "hide" the br tags and they won't have an effect:
br {
display: none;
}
If you only want to hide some within a specific heading type, just make your css more specific.
h3 br {
display: none;
}
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How do I export a project in the Android studio?
How do I export project in the Android Studio? I mean, like I used to do in Eclipse by File|Export ..
5 Answers
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