大约有 47,000 项符合查询结果（耗时：0.0812秒） [XML]
jQuery.click() vs onClick
...{ is better as it follows standard event registration model. (jQuery internally uses addEventListener and attachEvent).
Basically registering an event in modern way is the unobtrusive way of handling events. Also to register more than one event listener for the target you can call addEventListener...
Combine two data frames by rows (rbind) when they have different sets of columns
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@MERose Hadley: "Yes, all dplyr methods ignore rownames."
– zx8754
Dec 7 '17 at 9:11
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Using .gitignore to ignore everything but specific directories
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Here's how I did it - you essentially have to walk up the paths, you can't wildcard more than one level in any direction:
# Ignore everything:
*
# Except for the themes directories:
!wordpress/
!wordpress/*/
!wordpress/*/wp-content/
!wordpress/*/wp-conten...
When to use an assertion and when to use an exception
...andled during development, but not in production (when assertions are typically disabled)?
– herman
Sep 14 '13 at 14:09
72
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Distributed sequence number generation?
I've generally implemented sequence number generation using database sequences in the past.
13 Answers
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How to open an elevated cmd using command line for Windows?
... batch file with this and saved it as admincmd.bat in my windows folder so all I have to do is type "admincmd" hit enter and it opens an admin cmd.(I also added another line to the batch file with "exit" so it closes the non admin cmd window)
– Tony Brix
Nov 16...
What is the best way to paginate results in SQL Server
...E OrderDate >= '1980-01-01'
...which may seem inefficient, but is actually pretty performant, assuming all indexes etc. are properly set up.
Next, to get actual results back in a paged fashion, the following query would be most efficient:
SELECT *
FROM ( SELECT ROW_NUMBER() OVER ( ORDE...
SQL Joins Vs SQL Subqueries (Performance)?
...explicit JOIN. In my experience IN is a very slow operator, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WHERE x=Y OR x=Z OR...).
As with ALL THINGS SQL though, your mileage may vary. The speed will depend a lot on indexes (do you have indexes on both ID column...
Looking for a good world map generation algorithm [closed]
... and modify your second idea. Once you generate your continents (which are all about the same size), get them to randomly move and rotate and collide and deform each other and drift apart from each other. (Note: this may not be the easiest thing ever to implement.)
Edit: Here's another way of doing...
Batch renaming files with Bash
... I like it too, but it uses bash-specific features... I normally don't use them in favor of "standard" sh.
– Diego Sevilla
Mar 2 '09 at 15:39
2
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