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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);
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How can I temporarily disable a foreign key constraint in MySQL?
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10 Answers
10
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
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Raj AdvaniRaj Advani
3,62022 gold badges1515 silver badges99 bronze badges
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base64 encoded images in email signatures
...e the image from inline data is:
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA
AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO
9TXL0Y4OHwAAAABJRU5ErkJggg==" alt="Red dot">
http://en.wikipedia.org/wiki/Data_URI_scheme
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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...
g++ undefined reference to typeinfo
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answered Nov 21 '08 at 0:42
paxdiablopaxdiablo
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...否交叉，是否重叠
CGRectZero//高度和宽度为零的，位于（0，0）的矩形常量
3.隐藏状态栏
[UIApplication sharedApplication] setStatusBarHidden:<#(BOOL)#> withAnimation:<#(UIStatusBarAnimation)#>//隐藏状态栏
4.自动适应父视图大小
self.view.autoresizesSub...
Resizing an Image without losing any quality [closed]
...de = PixelOffsetMode.HighQuality;
gr.DrawImage(srcImage, new Rectangle(0, 0, newWidth, newHeight));
}
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JavaScript loop through json array?
...ke this:
var json = [{
"id" : "1",
"msg" : "hi",
"tid" : "2013-05-05 23:35",
"fromWho": "hello1@email.se"
},
{
"id" : "2",
"msg" : "there",
"tid" : "2013-05-05 23:45",
"fromWho": "hello2@email.se"
}];
You can loop over the Array like this:
for(var i = 0; i...
Git branch strategy for small dev team [closed]
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edited Dec 8 '13 at 5:30
Qantas 94 Heavy
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an...