大约有 10,900 项符合查询结果（耗时：0.0368秒） [XML]
What is the difference between onBlur and onChange attribute in HTML?
When is one called versus the other? Is there a situation were onChange would be called but onBlur would not be called?
7 A...
Batch not-equal (inequality) operator
...uires command extensions to be turned on (They are by default on 2000+ but can be turned off system wide or as a parameter to cmd.exe) Normally you should turn them on with setlocal, but for a simple if not equal test, just use "if not", it goes back to the good old DOS days
– ...
How to display the current year in a Django template?
What is the inbuilt template tag to display the present year dynamically. Like "2011" what would be the template tag to display that?
...
Going to a specific line number using Less in Unix
... for the BusyBox version of less: less 9581553g -N file.txt less: can't open '9581553g': No such file or directory and also: less +G -N file.txt less: can't open '+G': No such file or directory
– Wimateeka
Jul 23 at 17:54
...
Custom Python list sorting
I was refactoring some old code of mine and came across of this:
6 Answers
6
...
Make column not nullable in a Laravel migration
...der. You'd need to use raw queries for this.
However, as of Laravel 5 you can use:
$table->...->nullable(false)->change();
share
|
improve this answer
|
follow
...
Go Unpacking Array As Arguments
...
You can use a vararg syntax similar to C:
package main
import "fmt"
func my_func( args ...int) int {
sum := 0
for _,v := range args {
sum = sum + v
}
return sum;
}
func main() {
arr := []int{2,4}
sum...
Positioning a div near bottom side of another div
...hack with margin-left attribute your green block was disposed left in IE7. Can anyone explain where this 40px comes from?
– Roman
May 13 '09 at 13:51
...
SCOPE_IDENTITY() for GUIDs?
Can anyone tell me if there is an equivalent of SCOPE_IDENTITY() when using GUIDs as a primary key in SQL Server?
5 Answe...
Rails: Open link in new tab (with 'link_to')
...
You can also use target: :_blank instead of target: '_blank'
<%= link_to image_tag("facebook.png", class: "facebook_icon", alt: "Facebook"), "http://www.facebook.com/mypage", target: :_blank %>
link_to do
<%= link_to...