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Display names of all constraints for a table in Oracle SQL
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You need to query the data dictionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints:
SELECT *
FROM user_cons_columns
WHERE table_name = '<your table name>';
FYI, unless you specifically created your table with a lower case ...
Reading InputStream as UTF-8
...BufferedReader(new InputStreamReader(url.openStream(), StandardCharsets.UTF_8));
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How do I ignore files in a directory in Git?
...pattern as a shell glob suitable for consumption by fnmatch(3) with the FNM_PATHNAME flag: wildcards in the pattern will not match a / in the pathname. For example, Documentation/*.html matches Documentation/git.html but not Documentation/ppc/ppc.html or tools/perf/Documentation/perf.html.
A leading...
How to test if a string is basically an integer in quotes using Ruby
I need a function, is_an_integer , where
20 Answers
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Trusting all certificates using HttpClient over HTTPS
...tFactory(trustStore);
sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
HttpParams params = new BasicHttpParams();
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
Sche...
Rails Object to hash
...hem by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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Combine two ActiveRecord::Relation objects
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If you want to combine using AND (intersection), use merge:
first_name_relation.merge(last_name_relation)
If you want to combine using OR (union), use or†:
first_name_relation.or(last_name_relation)
† Only in ActiveRecord 5+; for 4.2 install the where-or backport.
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HTML table td meaning
...ered Sep 20 '15 at 22:27
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Can you define aliases for imported modules in Python?
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import a_ridiculously_long_module_name as short_name
also works for
import module.submodule.subsubmodule as short_name
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Extension methods cannot be dynamically dispatched
...el IEnumerable<dynamic>
@PartialExtensions.Partial(Html, "~/link/to/_partialView.cshtml", Model)
Wrapping it in a class.
public class DynamicQueryResult
{
public dynamic QueryResults {get; set;}
}
Then in your MVC View:
@model Namespace.DynamicQueryResult
@Html.Partial("~/link/to/_...