大约有 30,000 项符合查询结果(耗时:0.0476秒) [XML]

https://stackoverflow.com/ques... 

Similar to jQuery .closest() but traversing descendants?

...e first one. While the Sizzle engine is fast, this represents unnecessary extra searching. There's no way to short-circuit the search and stop after the first match is found. – icfantv Oct 2 '14 at 20:33 ...
https://stackoverflow.com/ques... 

method overloading vs optional parameter in C# 4.0 [duplicate]

...e solution like this, ///Base foo method public void DoFoo(int a, long b, string c) { //Do something } /// Foo with 2 params only public void DoFoo(int a, long b) { /// .... DoFoo(a, b, "Hello"); } public void DoFoo(int a) { ///.... DoFoo(a, 23, "Hello"); } ..... With opti...
https://stackoverflow.com/ques... 

How to generate a create table script for an existing table in phpmyadmin?

...you don't want them in the next step. Step 4 (Optional), filter out those extra executional-condition tokens this way: mysqldump --no-data --skip-comments --compact --host=your_database_hostname_or_ip.com -u your_username --password=your_password your_database_name penguins > penguins.sql Whi...
https://stackoverflow.com/ques... 

Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?

...rrectly and you should see the correct behavior: public static void main (String[] args) { Byte b1=127; Byte b2=127; Short s1=127; //incorrect should use Byte Short s2=127; //incorrect should use Byte Short s3=128; Short s4=128; Integer i1=127; //incorrect should use B...
https://stackoverflow.com/ques... 

Difference between Select and ConvertAll in C#

...gt; calls, while ConvertAll will loop through the underlying array without extra calls or range checks. 3) Select will create an extra IEnumerable<T> object. share | improve this answer ...
https://stackoverflow.com/ques... 

How to implement an STL-style iterator and avoid common pitfalls?

... http://www.cplusplus.com/reference/std/iterator/ has a handy chart that details the specs of § 24.2.2 of the C++11 standard. Basically, the iterators have tags that describe the valid operations, and the tags have a hierarchy. Below is purely symbolic, these classes don't actually e...
https://stackoverflow.com/ques... 

Custom circle button

...nsetBottom attributes are needed to center the icon on the button avoiding extra padding space. Use the app:shapeAppearanceOverlay attribute to get rounded corners. In this case you will have a circle. <style name="ShapeAppearanceOverlay.MyApp.Button.Rounded" parent=""> <item name="...
https://stackoverflow.com/ques... 

best way to add license section to iOS settings bundle

...y what the limit is), so you need to break each license file into multiple strings. You can create a line break within these by include a literal carriage return (ie. otherwise known as ^M, \r or 0x0A) Make sure not to include any literal "s mid-text. If you do, some or all of the strings in the fil...
https://stackoverflow.com/ques... 

Difference between and text

...ather tricky what is received on server side. Instead, if you must send an extra value, use a hidden field. Button with <input> As with: <input type="button" /> By default, this does next to nothing. It will not even submit your form. You can only place text on the button and give i...
https://stackoverflow.com/ques... 

How can I represent an 'Enum' in Python?

...urns <Animal.ant: 1> Animal['ant'] # returns <Animal.ant: 1> (string lookup) Animal.ant.name # returns 'ant' (inverse lookup) or equivalently: class Animal(Enum): ant = 1 bee = 2 cat = 3 dog = 4 In earlier versions, one way of accomplishing enums is: def enum(**...