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What is database pooling?
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@sagar please select the answer which you found to be most useful. You have no accept record.
– zengr
Nov 24 '10 at 7:01
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What is the difference between object keys with quotes and without quotes?
...the conflict between the method size and the attribute size is resolved by selecting the method. There are cases in jQuery where passing a Value as a string or another type causes a change in behavior, but never from defining a property with a valid property name in quotes vs not in quotes.
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Create Django model or update if exists
...large collection it won't scale well. update_or_create always first runs a SELECT and thereafter an UPDATE.
for the_bar in bars:
updated_rows = SomeModel.objects.filter(bar=the_bar).update(foo=100)
if not updated_rows:
# if not exists, create new
SomeModel.object...
Can I implement an autonomous `self` member type in C++?
...e argument list is augmented by a contrived object and overload resolution selects one of the non-static member functions of T, the call is ill-formed.
Inside a static member function, this may not appear, but it still exists.
However, per the comments, inside a static member function, the transf...
How to change the foreign key referential action? (behavior)
...r, so I wrote something to make the statements for me. Figured I'd share:
SELECT
CONCAT('ALTER TABLE `' ,rc.TABLE_NAME,
'` DROP FOREIGN KEY `' ,rc.CONSTRAINT_NAME,'`;')
, CONCAT('ALTER TABLE `' ,rc.TABLE_NAME,
'` ADD CONSTRAINT `' ,rc.CONSTRAINT_NAME ,'` FOREIGN KEY (`',kcu.COLUMN_NAME,
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How can you find the unused NuGet packages in a solution?
...n also project > Optimize Used References . . .
A window will pop up. Select all references and remove them all. Then go back and re-add the ones that give you a compiler error.
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How can I tell PyCharm what type a parameter is expected to be?
...o use and easier to read than doing the same by assertions and can be used selectively just the same. typecheck-decorator is one such package and has a summary of the others in its documentation. (Flexible, too: you can even do type-checked duck typing!)
– Lutz Prechelt
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Convert HTML to PDF in .NET
...tmlToXSharp
Free
Concurrent conversion is implemented as processing queue
SelectPDF
https://selectpdf.com/pdf-library-for-net/
Free (up to 5 pages)
$ 499 - 1 developer, 1 deployment machine https://selectpdf.com/pricing/
https://www.nuget.org/packages/Select.HtmlToPdf/
If none of the options ...
Parse large JSON file in Nodejs
...s answer with JSONStream + event-stream. I modified the JSONPath query to select only what I needed. This time the memory never went higher than 82MB, however, the whole thing now took 70 seconds to complete!
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Can I get a list of files marked --assume-unchanged?
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PowerShell solution, using Select-String \ sls
git ls-files -v | sls -pattern ^h -casesensitive
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