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Linq to SQL how to do “where [column] in (list of values)”
I have a function where I get a list of ids, and I need to return the a list matching a description that is associated with the id. E.g.:
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instanceof Vs getClass( )
I see gain in performance when using getClass() and == operator over instanceOf operator.
4 Answers
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SQL Server Index Naming Conventions [closed]
Is there some standard way to name indexes for SQL Server? It seems that the primary key index is named PK_ and non-clustered indexes typically start with IX_. Are there any naming conventions beyond that for unique indexes?
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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
...tions.
DB server has run out of connections.
Something in between Java and DB is blocking connections, e.g. a firewall or proxy.
To solve the one or the other, follow the following advices:
Verify and test them with ping.
Refresh DNS or use IP address in JDBC URL instead.
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How to avoid “RuntimeError: dictionary changed size during iteration” error?
...n you want to delete an object in inner dict. for example you have a dic A and dict B in dict A. if you want to delete object in dict B it occurs error
– Ali-T
Apr 18 at 6:35
1
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Trigger change event of dropdown
...nction(){
$('#countrylist').change(function(e){
// Your event handler
});
// And now fire change event when the DOM is ready
$('#countrylist').trigger('change');
});
You must declare the change event handler before calling trigger() or change() otherwise it won't be fired....
Difference between var_dump,var_export & print_r
What is the difference between var_dump , var_export and print_r ?
2 Answers
2
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JSR-303 @Valid annotation not working for list of child objects
...sses member of UserAddressesForm with @Valid annotation. See section 3.1.3 and 3.5.1 of JSR 303: Bean Validation. As I explained in my answer to the question Is there a standard way to enable JSR 303 Bean Validation using annotated method, this is the real use of @Valid annotation as per JSR 303.
E...
Stylecop vs FXcop
...em, it would defeat the entire purpose of the tool.)
FxCop, on the other hand, is a static analysis tool that works on the level of the managed assembly. It can be given directions via attributes because it can see attributes on code elements, e.g.. It detects problems that can be seen on the "bi...
How do you return the column names of a table?
...rver 2008? i.e. a table contains these columns- id, name, address, country and I want to return these as data.
20 Answers
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