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Clojure: reduce vs. apply
I understand the conceptual difference between reduce and apply :
9 Answers
9
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Oracle query to fetch column names
...rovide the tablespace name.
Providing the schema/username would be of use if you want to query ALL_TAB_COLS or DBA_TAB_COLS for columns OF tables owned by a specific user. in your case, I'd imagine the query would look something like:
String sqlStr= "
SELECT column_name
FROM all_tab_cols
WHERE ...
How do I get the collection of Model State Errors in ASP.NET MVC?
...odelState.Values.Any(x => x.Errors.Count >= 1) %>
and for a specific property...
<% ViewData.ModelState["Property"].Errors %> // Note this returns a collection
share
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improve thi...
How do I get a list of column names from a psycopg2 cursor?
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If you just want the column names, don't select all of the rows in the table. This is more efficient: curs.execute("SELECT * FROM people LIMIT 0")
– Demitri
Sep 6 '12 at 22:03
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How To Change DataType of a DataColumn in a DataTable?
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Note that this doesn't appear to work if your adapter's command is a stored procedure
– Mark Sowul
Mar 12 '15 at 19:10
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How to stop C# console applications from closing automatically? [duplicate]
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Ctrl+F5 rebuilds the application (if necessary) and runs it without debugging (i.e. the debugger is not attached) in a new console window where, after your application has exited, a pause command or similar is run in the same window. The pause serves to give ...
How to pattern match using regular expression in Scala?
...de looks like:
word(0)
Scala treats Strings as a sequence of Char's, so if for some reason you wanted to explicitly get the first character of the String and match it, you could use something like this:
"Cat"(0).toString.matches("[a-cA-C]")
res10: Boolean = true
I'm not proposing this as the g...
Pass all variables from one shell script to another?
...ariables like arrays easily, but also means that the other script could modify variables in the source shell.
UPDATE:
To use export to set an environment variable, you can either use an existing variable:
A=10
# ...
export A
This ought to work in both bash and sh. bash also allows it to be co...
php $_POST array empty upon form submission
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@ŁukaszBachman How to do that if dataobject is something like........title=something&body=anything. I want to get the vale of title & body. $dataobject["title"] returns empty. In my case $_POST is empty. And the only way to get it using file_get_c...
symbol(s) not found for architecture i386
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If you get this sort of thing appearing suddenly, it usually means the project is missing some frameworks it needs. Libraries and dependent projects can require frameworks, so if you've added one recently then that can cause ...