大约有 35,470 项符合查询结果（耗时：0.0555秒） [XML]
Illegal string offset Warning PHP
I get a strange PHP error after updating my php version to 5.4.0-3.
16 Answers
16
...
Android canvas draw rectangle
...|
edited Dec 22 '11 at 15:00
Yuck
43.3k1313 gold badges9999 silver badges130130 bronze badges
answered D...
Scroll to the top of the page using JavaScript?
... - I'd just use the native JavaScript window.scrollTo method -- passing in 0,0 will scroll the page to the top left instantly.
window.scrollTo(x-coord, y-coord);
Parameters
x-coord is the pixel along the horizontal axis.
y-coord is the pixel along the vertical axis.
...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...和App Inventor进行实验
该项目是麻省理工学院 App Inventor 2011 年 Google Summer of Code 活动的一部分。它描述了使用 Google Cardboard SDK 为 App Inventor 添加虚拟功能的实验。有两个演示项目可以作为未来实验的基础。
简介
人们对虚拟现实...
How do I get ruby to print a full backtrace instead of a truncated one?
...
10 Answers
10
Active
...
How can I mask a UIImageView?
... = (id)[[UIImage imageNamed:@"mask.png"] CGImage];
mask.frame = CGRectMake(0, 0, <img_width>, <img_height>);
yourImageView.layer.mask = mask;
yourImageView.layer.masksToBounds = YES;
For Swift 4 and plus follow code below
let mask = CALayer()
mask.contents = [ UIImage(named: "right_c...
Git branch strategy for small dev team [closed]
... |
edited Dec 8 '13 at 5:30
Qantas 94 Heavy
14.4k1616 gold badges6060 silver badges7777 bronze badges
an...
Occurrences of substring in a string
...r = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex);
if(lastIndex != -1){
count ++;
lastIndex += findStr.length();
}
}
System.out.println(count);
...
How can I temporarily disable a foreign key constraint in MySQL?
...
10 Answers
10
Active
...
Get url without querystring
....aspx?myvalue1=hello&myvalue2=goodbye");
string path = String.Format("{0}{1}{2}{3}", url.Scheme,
Uri.SchemeDelimiter, url.Authority, url.AbsolutePath);
Or you can use substring
string url = "http://www.example.com/mypage.aspx?myvalue1=hello&myvalue2=goodbye";
string path = url.Substr...