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over it. The following describes a fixed query and document set, which consists of a query Q and three documents: Q: "gold silver truck" D1: "shipment of gold damaged in a fire" D2: "delivery of silver arrived in a silver truck" D3: "shipment of gold arrived in a truck" In this document set, there are three documents, so d = 3. If a term appears only in one of the three documents, the IDF of the term is lg (D/DFI) =

> Span {border-top-right-radius:4px; Border-botto m-right-radius:4px;}. Pagination > li > A:hover,.pagination > li > Span:hover,.pagination > li > A:focus,.pagination > Li Gt Span:focus {background-color: #eeeeee;}. Pagination >. active > A,.pagination >. active > Span,.pagination >. active > A:hover,.pagination >. Active > Span:hover,.pagination >. actIve > A:focus,.pagination >. active > Span:focus {z-index:2; color: #ffffff; cursor:default; Background-color: #428bca; Border-color: #428bca;}

The first record of the new year, starting from here, first a simple! Last year's knowledge comb left a lot of tails for a lot of reasons (lack of knowledge, lazy, projects more ...) LG: All the Excuses ~ Well, I admit, this is all an excuse, this year must clean up the tail! Here is the first case of knowledge grooming: Write a summation method SUMFN, regardless of the parameters passed, can be final and calculated, and returned to the funct

value for param: _ use_single_log_writerOld 6: and upper (a. ksppinm) LIKE upper ('% param % ')New 6: and upper (a. ksppinm) LIKE upper ('% _ use_single_log_writer % ')NAME VALUE DESCRIPTION-----------------------------------------------------------------------------------------------------------------------_ Use_single_log_writer ADAPTIVE Use a single process for redo log writingSQL>/Enter value for param: _ max_outstanding_log_writesOld 6: and upper (a. ksppinm) LIKE upper (&

The general use of pageadapter need to implement GetCount, Isviewfromobject, Instantiateitem, Destroyitem and other default functions, in fact, you can extract the common code into the parent class./*** Created by Xiaoxuan948 on 2015/10/27.* Desc:* Hint: Set data to adapter first, then bind adapter Setadapter Call Instantiateitem method */Public classabsunitybasepageadapterT>extendsPageradapterImplementsInotifyadapterdatasetchange { private static FinalUtilslogLG= Utilslog.GetLogger(Absunityb

, that is, entropy, bits measurement information. Information gain = Information entropy of the distribution before splitting-the information entropy of the post-split distribution, and select the attribute with the greatest information gain.Calculate the information gain for these four properties, such as:The information gain for Outlook, windy, humidity, and temperature is calculated to be 0.247bits, 0.048bits, 0.152bits, 0.029bits respectively, so select Outlook as the root node.Example of ca

Example: Sort by bubble, quick sort, select sort, insert sort order the values in the array from small to large$array = (9,5,1,3,6,4,8,7,2);1. Bubble Sorting algorithmIdea: 22 Compare the size of the data element to be sorted, and find that the two data elements are exchanged in reverse order until there are no reversed data elements Functionbubblesort ($array) { $lg =count ($array); if ($LG 2, choosing a

color1,tilemode tile) lineargradient (float x0, float y0, float x1, float y1, int[ ] colors, float[] positions, Shader.tilemode tile) Two constructs are similar, the second one can simply add more colors, encapsulate the color values into the array colors, followed by the positions of the colors for the color, and if NULL, the color values are evenly distributed.LinearGradient and Bitmapshader have three Tilemode optional clamp, REPEAT, MIRROR. The effect of the implementation is as fol

namespacestd; the typedef __int64 LL; - Const intinf=0x7fffffff; - Const intm= -; - structpoint{ + intx, y; - }; + structg{ APoint p[4]; at intVal; -FriendBOOL operator(G a,g b) { - returnA.val>B.val; - } - }g[m]; - intDist (Point A,point b) { in return(a.x-b.x) * (a.x-b.x) + (A.Y-B.Y) * (a.y-b.y); - } to intLG; + voidAddintIdintXinty) { -g[lg].p[id].x=x; theg[lg].p[id].y=y; * } $ i

different parts of the document under the same topic, such as individual sections of a paper or a separate table on a form page. - aside> H2>H2> Section> H3>H3> P>P> input/> Section> Section> H3>H3>

than or equal to zero >=0). Each declaration is separated by a semicolon ";". Each declaration consists of a " property" and a specific value (value)that is connected by a colon. " Property " is an identifier, such as font size "font-size", Background color "Background-color" ... Wait a minute. How much of the value is to be controlled within the range of the identifier property value. The space and the form of the branch are mainly for the convenience of reading, the blank can be added to the

nginxloganalyzer function for log analysis, is the default Nginx log, this does not use the regular, using the soil method to find specific characters. def nginxloganalyzer (line): #print (line) G1 = Line.find (' [') g2 = Line.find ('] ') h1 = Line.find (' "') h 2 = Line.find (' "', h1+1) h3 = Line.find ('" ', h2+1) h4 = Line.find (' "', h3+1) h5 = Line.find ('" ', h4+1) h6 = Line.find (' "', h5+1) #print

Mydevice.ioMobile devices, in responsive Web Design, relate to a core value which is the value of the CSS width or ("Device-widt H "), in CSS Device independant Pixels, which depends both of the browser and user zoom settings.Smartphones phablets Tablets Other connected Common Smartphones Values name Phys.Width phys.Height CSSWidth CSSHeight PixelRatio phys. PPI CSS PPI Apple IPhone 6 750 1334 375

;}.pagination > li > a:hover,.pagination > li > span:hover,.pagination > li > a:focus,.pagination > li > span:focus { background-color: #eeeeee;}.pagination > .active > a,.pagination > .active > span,.pagination > .active > a:hover,.pagination > .active > span:hover,.pagination > .active > a:focus,.pagination > .active > span:focus { z-index: 2; color: #ffffff; cursor: default; background-color: #428bca; border-color: #428bca;}.pagination > .disabled > span,.pagination > .disabled > a,.paginatio

Machine node association node_num virtual NodesNodes.put (Hash ("shard-" + shardinfo.name + "-node-" +N), shardinfo); } } } //Add a host Private voidAddS (Node s) {System.out.println ("Increase the host" +s+ "Change:"); for(intn = 0; n ) {AddS (hash ("shard-" + s.name + "-node-" +N), s); } } //add a virtual node into the ring structure, LG is the virtual node hash value Public voidAddS (Long

navigation bar needs to be folded in close to the next wider breakpoint. Therefore, you need to set the value of the variable to @screen-md-min.After setting this variable, we want to consider letting the Banner-brand appear only in the medium and large viewports, and let Navbar-brand appear only in small and ultra-tiny viewports. Bootstrap provides a set of responsive utility classes for this purpose, with reference to the online documentation: http://getbootstrap.com/css/#responsive-utilities

developing local programs, we need to use a server to start the program containing debugging information on the target machine (ARM). Of course, there must be a certain data sharing mode (such as NFS) between the local machine and the target machine and a certain communication mode (such as Ethernet or serial port). Finally, start a GDB client on the local machine, you can log on to the server of the target machine to debug the program. There are also many articles on the Internet about how GDB

comparison is based on the order of magnitude (or the variation range), that is, for example, 2n and 28n areThe magnitude (magnitude of change) is equivalent. In this way, there are three different scenarios: F (n) That isF(N) = O (nlogba-E), E> 0 is a constant of any small number.Or, F (n) is equal to n.LogSlow change of Ba, slow nESo, T (n) î Q (nlogba) F (n)> nlogba That isF(N) = W (nlogba + E), E> 0 is a constant of any small number.Or, F (n) is equal to n.LogBa c

"WAP", "NetFront", "Java", "Opera Mobi", "Opera Mini", "UCWeb",3 "Windows CE", "Symbian", "series", "webOS", "Sony",4 "BlackBerry", "Dopod", "Nokia", "Samsung", "PalmSource", "XDA" ,5 "Pieplus", "Meizu", "MIDP", "CLDC", "Motorola", "Foma",6 "DoCoMo", "Up.browser", "Up.link", "Blazer", "Helio", "Hosin" ,7 "Huawei", "Novarra", "Coolpad", "webOS", "TechFaith" ,8 "PalmSource", "Alcatel", "Amoi", "Ktouch", "Nexian",9 "Ericsson", "Philips", "Sagem", "wellcom", "Bunjalloo", "Maui",Ten"Smartphone", "Ie

-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">The margin does not change, but the clearing area causes the element to fall under the floating element. mso-char-indent-count:0;mso-list:l0 level1 lfo1"> mso-char-indent-count:0;mso-list:l0 level1 lfo1">mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:m