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the octal number (0-7), then N is the octal escape code.\NM identifies a octal escape code or a reverse reference. NM is a reverse reference if there are at least nm catch subexpression in front of the \nm. If there are at least N captures in front of the \nm, then n is the reverse reference followed by the character M. If neither of the preceding conditions exists, the \NM matches the octal value nm, where N and M are octal digits (0-7).\NML matches octal escape code NML when n is a octal numb

. The first iteration occurs on the second item of the array, so the first argument is the first item of the array, and the second argument is the second item of the array. The following code implements the array summation with reduce (), and the array starts with an initial value of 10. var values = [1,2,3,4,5]; var sum = values.reduceright (function (prev, cur, index, array) {return prev + cur; },10); Console.log (sum); 25 The above is a small set to introduce the JavaScript arr

Android Studio shortcut keys, Android Studio Shortcuts Encyclopedia Next to this Android studio tutorial, which is mainly about Android studio shortcuts, if we have some of the most commonly used shortcuts, then we will be able to use the Android studio in the process of a multiplier effect Oh ~ Here we move on to the details as follows: ALT + RETURN import package, automatic correctionCTRL + N Lookup ClassCtrl+shift+n Find FilesCtrl+alt+l Format

, @FormDataParam ("keyword") Final list An exception occurs when accessing this interface: Java.lang.IllegalArgumentException:wrong Number of arguments When @FormDataParam annotations are used, it is not possible to define the parameter types as list @POST @Path ("/upload") @Consumes (mediatype.multipart_form_data) public Response UploadFile (@ Formdataparam ("filename") String filename, @FormDataParam ("file") InputStream Uploadedinputstream, @ Formdataparam ("file") form

*) to match the beginning of one or more characters with a space////// * Str.replace (/(^\s*)/g, "") means "replace all spaces". attached: Common Regular Expression of the encyclopedia! (For example: matching Chinese, matching HTML) Matching regular expressions for Chinese characters: [U4E00-U9FA5]Commentary: Matching Chinese is really a headache, with this expression will be easy to doMatch Double-byte characters (including Chinese character

lowercase letters and numbers, cannot use special characters, length between 8-10): ^ (? =.*\d) (? =.*[a-z]) (? =.*[a-z]). {8,10}$ Regular expressions in fixed format Email Address: ^\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *$ Site domain name: [a-za-z0-9][-a-za-z0-9]{0,62} (/.[ A-ZA-Z0-9][-A-ZA-Z0-9]{0,62}) +/.? URL URLs: ^http://([\w-]+\.) +[\w-]+ (/[\w-./?%=]*)? $ Mobile Number: ^ (13[0-9]|17[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8| 9]|18[0|1|2|3|5|6|7|8| 9]) \d{8}$ Phone numbers ("X

(Element) | | (Re.test (value)); } else {return true; } }, "Hong Kong and Macao Pass format is not correct"); Taiwan Pass Verification JQuery.validator.addMethod ("Istaiwan", function (value, element, type) { if ($ (type). val () = = "4") { var Re1 =/ ^[0-9]{8}$/; var re2 =/^[0-9]{10}$/; return this.optional (Element) | | (Re1.test (value)) | | (Re2.test (value)) } else {return true; } }, "Taiwan Pass format is not correct"); The above content is small series to

Filter properties and sentence Encyclopedia of the filter used in CSS Grammar: style= "Filter:filtername (Fparameter1, fparameter2 ...)" (FilterName is the name of the filter, Fparameter1, Fparameter2, etc. are parameters of the filter) Filter Description: Alpha: Setting the transparency level Blur: Create a high speed move effect, i.e. blur effect Chroma: Make special color transparent DropShadow: Creating a fixed shadow of an object FLIPH: Create

Here's a description of the Altkey attribute in JavaScript, as described below: Definition and usage of the Altkey attribute: This property returns a Boolean value. Indicates whether the ALT key has been pressed and held when the specified event occurs. Syntax structure: Event.altkey=true|false|1|0 Browser support: 1.IE browsers support this property. 2. Firefox browser supports this property. 3.Opera browsers support this property. 4. Google browser supports this property. Instance co

' sa ' Logon Failure solution Encyclopedia The "user ' sa" Login failed when a Web project was recently deployed. Reason: The error bit rate hint was not associated with a trusted SQL server connection, but verified that the connection database string is correct and that the database settings on the database server are correct. An application deployed on the same server can access the database server, indicating that the network should also be free o

Yii is a component-based, high-performance PHP framework for developing large Web applications. Yii is written in strict OOP and has perfect library references and comprehensive tutorials. No more nonsense to say, directly to everyone paste code. Full Example: Public $password 2;//A non-database field, but public $verify is required in view; Mobile phone authentication code public $FJG; Forgotten number/** * Map database table name * @return string The associated db tables n

function ASP function Encyclopedia ASP functions are similar to VBScript, here are some common functions 　 Array () 　 The function returns an array 　 expression Array (list) 　 allow data types: characters, numbers can be 　 Example: 　 Dim myarray () 　 for i = 1 to 7 　 Redim Preserve myarray (i) 　 myarray (i) = WeekdayName (i) 　 Next 　 %gt; 　 Returns the result: an array containing 7 elements was establish

C + + Insert delete windows Test null vc:cstring Usage Encyclopedia The list forms the following: Constructor for CStringCString ();Example: CString csstr;CString (const cstring STRINGSRC);Example: CString csstr ("abcdef Chinese 123456");CString csStr2 (CSSTR);CString (TCHAR ch, int nrepeat = 1);Example: CString csstr (' A ', 5);Csstr= "AAAAA"CString (LPCTSTR lpch, int nlength);Example: CString csstr ("ABCdef", 3);Csstr= "ABC"CString (LPCWSTR lpsz);

Event.keycode Encyclopedia (JavaScript)KeyCode 8 = BackSpace BackSpaceKeyCode 9 = Tab tabKeyCode = ClearKeyCode = EnterKeyCode = shift_lKeyCode = control_lKeyCode = alt_lKeyCode = PauseKeyCode = Caps_lockKeyCode = Escape escapeKeyCode = Space SpacesKeyCode = PriorKeyCode = NextKeyCode = EndKeyCode = HomeKeyCode (Panax) = LeftKeyCode = upKeyCode = RightKeyCode = DownKeyCode = SelectKeyCode = PrintKeyCode = ExecuteKeyCode = InsertKeyCode = DeleteKeyCode

jquery similar to Baidu Encyclopedia bottom navigation Preview, the code is very simple, here is no more nonsense. Effect Chart: Css * { margin:0; padding:0 } . wrap { width:1000px; Overflow:hidden; margin:0 Auto; Content { width:780px; Float:left } . Slide { width:200px; Float:right; } Html JS

Mac system shortcut keys Encyclopedia of the latest edition System boot Press X at startup: Force Mac OS X to start the computer Press Option-command-shift-delete at startup: Do not use the primary boot hard drive and look for the use of an external disk with CD Press C: Boot on CD CD with System folder on startup Press N at startup: Attempting to start by a compatible network server (NetBoot) Press T at startup: Start with the FireWire target d

Apple has always been praised for its reputation, and you will enjoy a very good warranty if there is something wrong with the iphone (which we do not want) to have a warranty. However, since the vast majority of iphone users have not experienced warranty, there are a lot of attention and details do not understand, this issue of the machine room for you to introduce the iphone warranty related matters. "Machine Room" National line iphone warranty Encycloped