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Number of occurrences of a character in a string [duplicate]
... the number of occurrences of a certain character such as & in the following string.
6 Answers
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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...nt to access the exception instance, use this syntax: rescue InvalidRequestError, CardError => e (see mikeferrier.com/2012/05/19/…)
– Peter Ehrlich
Oct 11 '12 at 16:37
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How do I list all tables in a schema in Oracle SQL?
...with statements like DROP TABLE REALLY_A_VIEW CASCADE CONSTRAINTS throwing errors. So you'd either have to remove the views with MINUS / NOT IN / NOT EXISTS or go agains %_OBJECTS. Plus, going against %_OBJECTS leaves a tantalizing hint of what else might be in there!
– Adam ...
Binding a WPF ComboBox to a custom list
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answered Oct 11 '16 at 15:05
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WARN Could not determine content-length of response body. Set content-length of the response or set
...st upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log:
3 Answers
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Can I call memcpy() and memmove() with “number of bytes” set to zero?
...t.
– Matteo Italia
Sep 20 '10 at 14:05
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Why do we need virtual functions in C++?
...here is not such a virtual method in some base class, then you’ll get an error (which is desirable).
The ugliness of doing this without virtual methods
Without virtual one would have to implement some Do It Yourself version of the dynamic binding. It’s this that generally involves unsafe man...
A method to reverse effect of java String.split()? [duplicate]
I am looking for a method to combine an array of strings into a delimited
String. An opposite to split().
16 Answers
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How to specify a editor to open crontab file? “export EDITOR=vi” does not work
I'm using Red Hat Enterprise Linux 5, and I want to set the vim editor to edit the crontab file.
8 Answers
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Why do we always prefer using parameters in SQL statements?
...schema changes and your query runs but some columns disappear, the compile error points to the line in your code that tries to access the missing data. And there are numerous other advantages. Why would you want to access data any other way?
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