大约有 45,000 项符合查询结果(耗时:0.0581秒) [XML]

https://stackoverflow.com/ques... 

Which regular expression operator means 'Don't' match this character?

...mer: don't match a, b, c or 0: [^a-c0] The latter: match any three-letter string except foo and bar: (?!foo|bar).{3} or .{3}(?<!foo|bar) Also, a correction for you: *, ? and + do not actually match anything. They are repetition operators, and always follow a matching operator. Thus, a+ means...
https://stackoverflow.com/ques... 

jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)

I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this? 6 Answers ...
https://stackoverflow.com/ques... 

How to add a browser tab icon (favicon) for a website?

...e-320x460.png Total Overhead If you take out the comments that's 3KB of extra HTML, if you don't support splash screens that's 1.5KB. If you are using GZIP compression on your HTML content, which everyone should be doing these days, that leaves you with about 634 Bytes of overhead per request to ...
https://stackoverflow.com/ques... 

Creating SolidColorBrush from hex color value

... To get your code to work use Convert.ToByte instead of Convert.ToInt... string colour = "#ffaacc"; Color.FromRgb( Convert.ToByte(colour.Substring(1,2),16), Convert.ToByte(colour.Substring(3,2),16), Convert.ToByte(colour.Substring(5,2),16)); ...
https://stackoverflow.com/ques... 

How to convert a Drawable to a Bitmap?

...rawable.icon_resource); Here a version where the image gets downloaded. String name = c.getString(str_url); URL url_value = new URL(name); ImageView profile = (ImageView)v.findViewById(R.id.vdo_icon); if (profile != null) { Bitmap mIcon1 = BitmapFactory.decodeStream(url_value.openConn...
https://stackoverflow.com/ques... 

How can I programmatically get the MAC address of an iphone

... to use it InitAddresses(); GetIPAddresses(); GetHWAddresses(); int i; NSString *deviceIP = nil; for (i=0; i<MAXADDRS; ++i) { static unsigned long localHost = 0x7F000001; // 127.0.0.1 unsigned long theAddr; theAddr = ip_addrs[i]; if (theAddr == 0) break; if (theAddr...
https://stackoverflow.com/ques... 

Append a Lists Contents to another List C#

... GlobalStrings.AddRange(localStrings); Note: You cannot declare the list object using the interface (IList). Documentation: List<T>.AddRange(IEnumerable<T>). ...
https://stackoverflow.com/ques... 

Dynamic constant assignment

...ed, as it makes the constant non-constant; even though the contents of the string are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example: def foo p "bar".object_id end foo #=> 15779172 foo #=> 15779112 Perhaps if yo...
https://stackoverflow.com/ques... 

Scala: Nil vs List()

...t? Example - scala> Map(1 -> "hello", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work. – Kevin Meredith Nov 17 '13 at 4:57 ...
https://stackoverflow.com/ques... 

What is the meaning of symbol $ in jQuery?

...ument is ready (similar to body.onload() but better). You can pass it a string of HTML to turn into a DOM element which you can then inject into the document. You can pass it a DOM element or elements that you want to wrap with the jQuery object. Here is the documentation: https://api.jquery...