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When should you not use virtual destructors?
...o not declare a virtual destructor for a class? When should you specifically avoid writing one?
12 Answers
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Capture characters from standard input without waiting for enter to be pressed
...oo much on the terminal used that may be connected with stdin (they are usually line buffered). You can, however use a library for that:
conio available with Windows compilers. Use the _getch() function to give you a character without waiting for the Enter key. I'm not a frequent Windows developer...
Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
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Postgres: How to do Composite keys?
I cannot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties.
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What is the second parameter of NSLocalizedString()?
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The comment string is ignored by the application. It is used for a translator's benefit, to add meaning to the contextual usage of the key where it is found in your application.
For example, the Hello_World_Key key may take different values in a given language, depending on how ...
How to create a new file together with missing parent directories?
When using
3 Answers
3
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WPF Command Line
I am trying to create a WPF application that takes command line arguments. If no arguments are given, the main window should pop up. In cases of some specific command line arguments, code should be run with no GUI and exit when finished. Any suggestions on how this should properly be done would be a...
Does Internet Explorer support pushState and replaceState?
Does anybody know if Internet Explorer supports the history.pushState() and history.replaceState() methods for manipulating browser history ? Considering these are just being implemented in Firefox 4, I'm not holding my breath, but does anybody know if they're coming in IE9?
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Intellij IDEA generate for-each/for keyboard shortcut
Is there a keyboard shortcut generating a foreach and also for loop?
7 Answers
7
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View's SELECT contains a subquery in the FROM clause
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As per documentation:
MySQL Docs
The SELECT statement cannot contain a subquery in the FROM clause.
Your workaround would be to create a view for each of your subqueries.
Then access those views from within your view view_credit...