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Check if table exists and if it doesn't exist, create it in SQL Server 2008
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Something like this
IF NOT EXISTS (SELECT * FROM sys.objects
WHERE object_id = OBJECT_ID(N'[dbo].[YourTable]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[YourTable](
....
....
....
)
END
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How do I create a Java string from the contents of a file?
...re memory several times the size of the file, because for a short time the raw file contents (a byte array), and the decoded characters (each of which is 16 bits even if encoded as 8 bits in the file) reside in memory at once. It is safest to apply to files that you know to be small relative to the ...
What is the right way to POST multipart/form-data using curl?
...ead of \r\n. Even mitmproxy copy as cURL was using \n so I had to copy the raw request with mitmproxy. I saw with hexdump that it was using hex code 0A instead of 0D 0A.
– baptx
Jul 5 '19 at 18:31
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How to select html nodes by ID with jquery when the id contains a dot?
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@Tomalak in comments:
since ID selectors must be preceded by a hash #, there should be no ambiguity here
“#id.class” is a valid selector that requires both an id and a separate class to match; it's valid and not always totally redundant.
The correct...
python list in sql query as parameter
...I paramstyle.
placeholders= ', '.join(placeholder for unused in l)
query= 'SELECT name FROM students WHERE id IN (%s)' % placeholders
cursor.execute(query, l)
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Get path of executable
... the predefined OS macros detailed at predef.sourceforge.net/preos.html to select the method is straightforward.
– Clifford
Oct 7 '09 at 15:02
5
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SQL update fields of one table from fields of another one
...ic SQL is totally non-standard PostgreSQL syntax.
DO
$do$
BEGIN
EXECUTE (
SELECT
'UPDATE b
SET (' || string_agg( quote_ident(column_name), ',') || ')
= (' || string_agg('a.' || quote_ident(column_name), ',') || ')
FROM a
WHERE b.id = 123
AND a.id = b.id'
FROM i...
jQuery get value of select onChange
I was under the impression that I could get the value of a select input by doing this $(this).val(); and applying the onchange parameter to the select field.
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AngularJS directive with default options
... for setting default attribute values.
Just a reminder:
attrs holds the raw DOM attribute values which are always either undefined or strings.
scope holds (among other things) the DOM attribute values parsed according to the provided isolate scope specification (= / < / @ / etc.).
Abridged s...
Is [CallerMemberName] slow compared to alternatives when implementing INotifyPropertyChanged?
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