大约有 40,000 项符合查询结果（耗时：0.0532秒） [XML]
Check if a temporary table exists and delete if it exists before creating a temporary table
...pdb..#Results') IS NOT NULL DROP TABLE #Results
GO
CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT )
GO
select company, stepid, fieldid from #Results
GO
ALTER TABLE #Results ADD foo VARCHAR(50) NULL
GO
select company, stepid, fieldid, foo from #Results
GO
IF OBJECT_ID('tempd...
How do I improve ASP.NET MVC application performance?
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A compiled list of possible sources of improvement are below:
General
Make use of a profiler to discover memory leaks and performance problems in your application. personally I suggest dotTrace
Run your site in Release mode,...
Import package.* vs import package.SpecificType [duplicate]
...y, I understood avoiding using import package.* as an optimization for the compiler, because it allowed the compiler to better target the class file look up when compiling the current file.
– Sam Goldberg
May 15 '12 at 2:22
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C# 4.0 optional out/ref arguments
...ef/out parameter. Yes, you'll have two function definitions, but it will accomplish what you're after
– Chad
Dec 20 '19 at 17:12
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How to implement an abstract class in ruby?
...ified the code a bit, to use extend instead of include, due to: yehudakatz.com/2009/11/12/better-ruby-idioms
– Magne
Dec 2 '17 at 15:38
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Check if object is a jQuery object
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Can iterators be reset in Python?
...the other hand is perfectly suitable, as long as the list of dicts can fit comfortably in memory. A new "iterator from the start" (very lightweight and low-overhead) can be made at any time with iter(L), and used in part or in whole without affecting new or existing ones; other access patterns are ...
Convert Data URI to File then append to FormData
...:
function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = unescape(dataURI.split...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
...at jQuery is installed via Bower and so you might need to look under bower_components/jquery/dist/jquery.js .. the "dist" part being what I had overlooked.
– Jax Cavalera
Mar 6 '16 at 10:12
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How do I find out if the GPS of an Android device is enabled
... Mainly it is about firing up an intend to see the GPS config, see github.com/marcust/HHPT/blob/master/src/org/thiesen/hhpt/ui/… for details.
– Marcus
Nov 29 '09 at 22:14
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