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Stored procedure slow when called from web, fast from Management Studio
...he assumption is that no rows will be returned, SQL Server settles for the Index Seek.
The problem was that I had parameters which could be left null and if they were passed as null the would be initialised with a default value.
create procedure dbo.procedure
@dateTo datetime = null
begin
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How to convert CFStringRef to NSString?
...n objects with +1 reference counts, meaning that they need to be released (all CF[Type]Create format functions do this).
The nice thing is that in Cocoa you can safely use autorelease or release to free them up.
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git add . vs git commit -a
...hanges from all known files (i.e. all files that are already listed in the index)
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Specify JDK for Maven to use
....xml but I don't have a settings.xml . Plus, I don't want to use 1.6 for all maven builds.
14 Answers
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
...for newer developers. See: ibm.com/developerworks/java/library/j-jtp07233/index.html to understand that even ConcurrentHashMap is not fully thread-safe from external data-races. (eg: 1 thread removes a value and another later tries check if it is present and to put it if not. That is a data race co...
Linking R and Julia?
...he package is on CRAN.
https://cran.r-project.org/web/packages/JuliaCall/index.html
https://github.com/Non-Contradiction/JuliaCall
The usage of the package is like this:
library(JuliaCall)
julia <- julia_setup()
julia_command("a = sqrt(2)"); julia_eval("a")
julia_eval("sqrt(2)")
julia_call("...
What are some good Python ORM solutions? [closed]
I'm evaluating and looking at using CherryPy for a project that's basically a JavaScript front-end from the client-side (browser) that talks to a Python web service on the back-end. So, I really need something fast and lightweight on the back-end that I can implement using Python that then speaks to...
What is the list of possible values for navigator.platform as of today? [closed]
...urate.
The definition
As far as I know there isn't a single public list of all possible `navigator.platform` values, even though the property has been around for quite a bit. To make things worse, the property's definition changed throughout the years. It used to be:
navigator.platform indicates th...
Creating a blocking Queue in .NET?
...threads reading from the same queue. If the queue reaches a specific size all threads that are filling the queue will be blocked on add until an item is removed from the queue.
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What is the copy-and-swap idiom?
...s arguably the most nuanced and difficult. How should it be done? What pitfalls need to be avoided?
The copy-and-swap idiom is the solution, and elegantly assists the assignment operator in achieving two things: avoiding code duplication, and providing a strong exception guarantee.
How does it wor...