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The GROUPING function can accept a column and returns 0 or 1. If the column value is empty, GROUPING () returns 1; if the column value is not empty, returns 0. GROUPING can only be used in queries using ROLLUP or CUBE. GROUPING () is useful when a value needs to be displayed in the return of a null value. 1. Use GROUPING () for a single column in ROLLUP () SQL> select division_id, sum (salary)2 from employees23 group by rollup (division_id)4 order by division_id; Div sum (SALARY)--------------BU

attributetypes Attributetypes is equivalent to the table attribute in the database. Unlike the database, one record and one attribute can have multiple values.Attributetype Syntax:Attributetypedescription = "(" WHSPNumericoid WHSP; attributetype identifier["Name" qdescrs]; name used in attributetype["DESC" qdstring]; Description["Obsolete" WHSP]["Sup" woid]; derived from this other; Attributetype, if there is no

method determines whether t contains this set of items, and if so, outputs a key-value pair (key=, value=1). Reducer summarizes the key-value pairs for all the same key (that is, the candidate), re-evaluates the candidate's life cycle, and determines whether the total support count is not less than the minimum support level. If so, he outputs a key-value pair (key= the candidate, Value=sup (I,lifetime (i)), ALGORITHM5 gives the specific algorithm:4.2

CSS reset refers to the style of resetting the browser. In various browsers, the CSS selector will default some values, such as when the H1 is not set to a value, display a certain size.But not all browsers use the same values, so CSS Reset is used to make the style of the Web page consistent across browsers.Here are a few of the main CSS reset codes:1. Eric MeyerHTML, body, Div, span, applet,Object, IFRAME, H1, H2, H3, H4, H5, H6, p, blockquote, Pre, A, ABBR, acronym, address, big, cite, code,

1. Configure ADSL 1.1. Configure your new kernel The PPPoE protocol for ADSL adds the following to the kernel configuration file: # ADSL PPPOE Sup Options Netgraph Options Netgraph_ether Options Netgraph_socket Options Netgraph_pppoe 1.2. Set up a PPP exhale using PPPoE The ppp.conf in/ETC/PPP is backed up, and the following are the contents of the new ppp.conf: Default Set log Phase Chat LCP IPCP CCP tun command Nat Enable Yes Nat Same_p

activity {/** called the ' when the ' is the ' The activity ' is the ' the ' ternalactivity; Button btntoexternalactivity; EditText Tbbundle; @Override public void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); LOG.E ("Activity1", "onCreate"), and/or display the current status, OnCreate and OnDestroy correspond Setcontentview (r.layout.main1); Btntointernalactivity= (Button) This.findviewbyid (R.ID.MAIN1_BUTTON01); Btntoexte

generates a link to the e-mail message.Add imageAdd an image to your message, just press the example to set it in (UBB code is bold).In the example above, the UBB code automatically makes the image appear in your message.Other tagAnd these tag http://www.alixixi.com/program/a/, u small H1 H2 H3 h4 h5 h6 strike Blink sub sup del pre big HTTP://WWW.ALIXIXI.C om/program/a/, these tag functions are equivalent to HTML functionality.[H1] This is a title [/

-university Training Contest 1 Topic: There is a tree, each node weights w[i], choose a node to blow up, and the node distance w[i] Other nodes within the site will also be blown up. Choose at least a few nodes to blow up the whole tree. Method: Definition Up[u][i] means that you can blow up a subtree of u, and you can blow up the nodes within the distance of I. The definition Down[u][i] represents a subtree in U, and the presence of a point of depth of I has not been blown. 1: Do not blow

mixer:feature name sup------------------------------------DEINTERLACE_TEMPORAL -DEINTERLACE_TEMPORAL_SPATIAL -INVERSE_TELECINE -NOISE_REDUCTION ySHARPNESS yLUMA_KEY -HIGH QUALITY SCALING - L1 -HIGH QUALITY SCALING - L2 -HIGH QUALITY SCALING - L3 -HIGH QUALITY SCALING - L4 -HIGH QUALITY SCALING - L5 -HIG

1. Mark content with basic text elementsFirst look at the display effect:Corresponding HTML code:DOCTYPE HTML>HTMLLang= "en">Head> MetaCharSet= "UTF-8"> title>Learn4fonttitle>Head>Body>P>Element b--b>I am the example.b>P>P>Element em--em>I am the example.em>P>P>Element i--I>I am the example.I>P>P>Element s--s>I am the example.s>P>P>Element strong--Strong>I am the example.Strong>P>P>Element u--u>I am the example.u>P>P>Element small--Small>I am the example.Small>P>P>Element sub--Sub>I am the

=new person (), inheriting a prototype object and inheriting the template once again. This results in a template that inherits two times from the parent class. So can we just assign the parent prototype to the subclass prototype?functionPerson (name,age) { This. name=name; This. age=Age ;} Person.prototype.sayName=function() {alert ( This. name);}functionBoy (name,age,sex) { This. sex=sex;} Boy.prototype.sayHello=function() {alert (' Hello ');} Boy.prototype=NewPerson ();varboy=NewBoy (' A ', 1

, 　　TH,TD {padding:0; margin:0; }/* Modify */body {background: #fff; color: #333; font-size:12px; margin-top:5px;font-family: "SimSun", "Arial", "Soong Narrow" ;} /* The content of the short reference may be the value: ' or ' ' */q:before,q:after {content: ';} /* abbreviation, picture without border */fieldset,img,abbr,acronym {border:0 none;} abbr,acronym {font-variant:normal;} Legend {color: #000;} 　　/* Clear the font and font size for special tags */address,caption,cite,code,dfn,em,str

chapters list" to copy the content of the "E: \ temp \ chapter_00000_time.txt" file completed in step 1 to the following text box. Figure 24 "Split AmpIn the cut window, select "no split". Because we are doing a blue disc, we do not need to split it. Figure 25 "Subtitles" window, Font: "heiti", general, size 65, additional border, pixels: 1 (adding edge 1), bottom offse, pixels: 60 (60 from bottom edge) These are subtitle effects. You can set them according to your habits. For more in

', $txt)) { $txt = Strip_tags ($txt); $txt = NL2BR ($txt); } else { $txt = Str_replace (' } } Pre and quote Error_reporting (E_all); $txt = Preg_replace ("#\[quote\" (. +?) \[/quote\] #is "," \1 ", $txt); $txt = Preg_replace ("#\[code\" (. +?) \[/code\] #ise "," ' '. Br2none ('). '' ", $txt); Colors Support clamped set while (Preg_match ("#\[color= ([^\]]+) \] (. +?) \[/color\] #is ", $txt)) { $txt = Preg_replace ("#\[color= ([^\]]+) \] (. +?) \[/col

The grouping function can accept a column and returns 0 or 1. If the column value is empty, grouping () returns 1; if the column value is not empty, returns 0. Grouping can only be used in queries using rollup or cube. Grouping () is useful when a value needs to be displayed in the return of a null value. For more information about the use of rollup and cube functions, see my other article. Http://blog.csdn.net/wh62592855/archive/2009/11/16/4817920.aspx 1. Use grouping () for a single column in

when $ f (x) $ is in the upper half of $ x $ consecutive and lower half consecutive. (3) If $ F $ has lower bound and lower half continuity, define $ \ Bex f_k (x) =\inf _ {Y \ In \ BBR} \ sed {f (y) + k | x-y |}, \ quad k \ In \ BBN, \ EEx $ then $ f_k (x) $ is a continuous function, $ F_1 (X) \ Leq F_2 (x) \ Leq \ cdots \ Leq f_k (x) \ Leq \ cdots $, and $ \ Bex \ lim _ {k \ To \ infty} f_k (x) = f (x), \ quad \ forall \ x \ In \ BBR. \ EEx $ [This indicates that bounded semi-continuous funct

1. You can use the bbcode flag. [B] Bold [/B] Bold[I] italic [/I] Italic[U] underline [/u] underline[S] strikethrough [/S] strikethrough[Sub] sub [/sub] subscript[Sup] Sup [/sup] superscript[00ff00] Set color [-] Set display color [Url = http://www.cnblogs.com/mrzivchu/][u] /u]#/url] For example, set the color: The text content of uilabel is: [99ff00] n [-] Gui:

($ str ){ Return str_replace (array ('} /** * UBB Parsing * * @ Param none * @ Access public * @ Return void */ Function ubbParse ($ txt, $ coverhtml = 0 ){ If ($ coverhtml = 0) $ txt = nl2br (new_htmlspecialchars ($ txt); // convert BR and HTML // Only convert BR, not HTML If ($ coverhtml = 1 ){ If (! Preg_match ('/$ Txt = strip_tags ($ txt ); $ Txt = nl2br ($ txt ); } Else { $ Txt = str_replace ('} } // Pre and quote // Error_reporting (E_ALL ); $ Txt = preg_replace ("# \ [quote \] (. + ?) \

()//detects whether a property exists in an instance, the method is inherited from Object in operator object.keys () accepts an object as a parameter, Returns an array of strings that contain all enumerable properties, object.getownpropertynames ()//enumerations that are either enumerated or not prototype, and workarounds Inheritance: The implementation of inheritance is mainly dependent on the prototype chain, the essence is to rewrite the property prototype. exists in all attribute methods

Represents abbreviations Cite A title that represents another work Del The text that is deleted S Indicates that the text is no longer confirmed Dfn Represents a term definition Mark Represents content that is related to another context Q Indicate what is quoted elsewhere Rp Used in conjunction with Ruby elements, marking parentheses R