大约有 30,000 项符合查询结果（耗时：0.0434秒） [XML]
Add file extension to files with bash
...
just as a note "${f%.jpg}" is bash shell string manipulation. ` ${string%substring}` Deletes shortest match of $substring from back of $string.
– Jichao
Aug 28 '15 at 19:36
...
What is href=“#” and why is it used?
...location.
Hash:
A hash - # within a hyperlink specifies an html element id to which the window should be scrolled.
href="#some-id" would scroll to an element on the current page such as <div id="some-id">.
href="//site.com/#some-id" would go to site.com and scroll to the id on that page...
Set the selected index of a Dropdown using jQuery
...t selector is pretty slow. It will scan every DOM element looking for the ids. It will be less of a performance hit if you can assign a class to the element.
$(".myselect")
To answer your question though, there are a few ways to change the select elements value in jQuery
// sets selected index...
Center a button in a Linear layout
...
If you want to center an item in the middle of the screen don't use a LinearLayout as these are meant for displaying a number of items in a row.
Use a RelativeLayout instead.
So replace:
android:layout_gravity="center_vertical|center_horizontal"
for the re...
Split delimited strings in a column and insert as new rows [duplicate]
...ble(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.frame(V1 = rep(df$V1, sapply(s, length)), V2 = unlist(s))
## V1 V2
## 1 1 a
## 2 ...
SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
...径)
从应用资源目录加载SVG文件。
设置元素颜色(元素ID,颜色)
设置指定SVG元素的颜色。
设置元素透明度(元素ID,透明度)
设置指定SVG元素的透明度。
动画元素(元素ID,动画类型,持续时间)
为指定SVG元素添加动画效果。
...
Can vim monitor realtime changes to a file
...rom the help:
When a file has been detected to have
been changed outside of Vim and it
has not been changed inside of Vim,
automatically read it again. When the
file has been deleted this is not
done.
share...
Cookies vs. sessions
...hat time, I preferred cookies (and who does not like cookies?!) and just said: "who cares? I don't have any good deal with storing it in my server", so, I went ahead and used cookies for my bachelor graduation project. However, after doin' the big part of my app, I heard that for the particular case...
Transactions in REST?
...
Consider a RESTful shopping basket scenario. The shopping basket is conceptually your transaction wrapper. In the same way that you can add multiple items to a shopping basket and then submit that basket to process the order, ...
LINQ Select Distinct with Anonymous Types
... Extensions cannot handle of type object and object. If the both object is string it still return the duplicate rows. Try the FirstName is typeof object and assign with the same string there.
– CallMeLaNN
May 26 '11 at 5:50
...