---------- ---------- --------- --------- ---------
1 Jhchen 07-nov-05 07-nov-05
2 Jhchen 07-nov-05 07-nov-05
3 Jhchen 07-nov-05 07-nov-05
Sqlldr Userid=lgone/tiger Control=a.ctl
LOAD DATA
INFILE ' T.dat '//files to be imported
INFILE ' tt.date '//import of multiple files
INFILE *//the content to be imported is in the control file the following begindata is the imported content
into table table_name//Specify loaded Tables
Badfile ' c:\bad.txt '//designated Bad file address
Here are 4 ways of lo
certain amount of spacing, this is a good practice. As shown in line No. 767, line No. 772 in Bootstrap.css:
Col-xs-1, Col-sm-1,. Col-md-1, Col-lg-1, Col-xs-2, Col-sm-2, Col-md-2,. Col-lg-2,. Col-xs-3, Col-lg-3, Col-xs-4,. col-sm-4, Col-md-4, col-lg-4, Col-xs-5, col-sm-5,. col-md-5,. Col-
figure ). This also leads to the padding-left of the first column and the padding-right of the last column occupying 30 PX of the total width, which leads to the page not beautiful, of course, if you need to leave a certain margin, this is a good practice. For example, the 767th rows in bootstrap.css ~ As shown in row 772nd:
.col-xs-1, .col-sm-1, .col-md-1, .col-lg-1, .col-xs-2, .col-sm-2, .col-md-2, .col-lg
In order to facilitate the use of the reprinted article: http://www.oracle.com.cn/viewthread.php? Tid = 13979 extra = page = 1sql Load
Sqlldr userid = lgone/tiger control = A. CTL
Load data
Infile't. dat // file to be imported
// Infile 'tt. date' // import multiple files
// Infile * // the content to be imported is after begindata in the control file.
Into Table table_name // specify the mounted table
Badfile 'C:/bad.txt '// specify the bad file address
* ************ The following are fou
end// Insert // load an empty table. If the original table has data, sqlloader stops the default value.// Replace // all data in the original table will be deleted// Truncate // if the specified content is the same as that of replace, the truncate statement is used to delete the existing data.
* ************ The specified terminated can be either at the beginning of the table or in the internal fields of the table.Fields terminated by ', 'optionally enclosed '"'// Load this data: 10,
DAT1 DAT2 DAT3
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1 jhchen 07-NOV-05 07-NOV-05
2 jhchen 07-NOV-05 07-NOV-05
3 jhchen 07-NOV-05 07-NOV-05
Sqlldr userid = lgone/tiger control = a. ctl
LOAD DATA
INFILE't. dat // file to be imported
// INFILE 'tt. date' // import multiple files
// INFILE * // the content to be imported is after BEGINDATA in the control file.
Into table table_name // specify the mounted TABLE
BADFILE 'C: \ bad.txt '// specify the bad file address
* ************ The foll
total width, which leads to the page not beautiful, of course, if you need to leave a certain margin, this is a good practice. For example, the 767th rows in bootstrap.css ~ As shown in row 772nd:
.col-xs-1, .col-sm-1, .col-md-1, .col-lg-1, .col-xs-2, .col-sm-2, .col-md-2, .col-lg-2, .col-xs-3, .col-sm-3, .col-md-3, .col-lg-3, .col-xs-4, .col-sm-4, .col-md-4, .c
Responsive tools:Divclass= "Container"> Show or hide related content for different widths Visible-lg-block show hidden-lg hidden - Divclass= "Row"> Divclass= "Col-lg-4 visible-lg-block">1Div> Divclass= "Col-lg-4 visible-
1, define the structure of the diagram:1 #defineNum_max 62typedefstructarcnode{3 intAdjvex;4 structArcnode *Nextarc;5}arcnode;//define an ARC node structure body6typedefstructvertexnode{7 intdata;8Arcnode *Firstarc;9}vertexnode;//defining the vertex structure bodyTentypedefstruct { OneVertexnode *Adjlist[num_max]; A intVertexnum,edgenum; - intGraphtype; -}linkgraph;//definition Diagram2. Define the function that creates the adjacency table of the graph1 voidCreatelink (Linkgr
(Python root has been configured to path), will not be configured to seeSelenium2+python Automation 1-Environment constructionFirst article2. Ensure that the driver file name is Chromedriver.exe, and if the name is followed by a version number, change the file name.3.Chrome version v57.0+chromedriverv2.24Four, the version of the matching tableVersion of Chrome supported by the Chromedriver versionv2.29 v56-58v2.28 v55-57v2.27 v54-56v2.26 v53-55v2.25 v53-55v2.24 v52-57v2.23 v51-53v2.22 v49-52v2.
){. container {width: 970px; }}@ media (min-width: pixel px ){. container {width: 1170px ;}}View Code
The horizontal bars 3 and 2 indicate that the rows (. row) of the container are evenly divided into 12 equal portions, that is, columns. Each column has a "padding-left: 15px" (pink in the figure) and a "padding-right: 15px" (purple in the figure ). This also leads to the padding-left of the first column and the padding-right of the last column occupying 30 PX of the total width, which leads to
:
.container { padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; @media (min-width: 768px) { .container { width: 750px; } @media (min-width: 992px) { .container { width: 970px; } @media (min-width: 1200px) { .container { width: 1170px; }
The horizontal bars 3 and 2 indicate that the rows (. row) of the container are evenly divided into 12 equal portions, that is, columns. Each column has a "padding-left: 15px" (pink in the figure) and a "paddin
described, the container row (. Row) divided by 12 equal parts, that is, the column. Each column has a "padding-left:15px" (the pink part of the figure) and a "padding-right:15px" (The purple part of the figure). This also led to the first column of the Padding-left and the last column of the padding-right occupy the total width of 30px, resulting in the page is not beautiful, of course, if you need to leave a certain distance, this practice is good. As shown in line No. 767 ~ No. 772 of Bootst
;
}
All elements of the container have a 15px distance and are very attractive. COL-XX-XX also set the inner margin of 15px. This is not aligned with the. Contariner element (. col-xx-xx is 30px relative to. Container), so the first grid element element and the last grid element need to be set to {padding-left:0px;}, { padding-right:0px}. This solves the problem of alignment, but after setting, the width of the displayed content has a 15px difference, although the width of each grid is
Question requirement n! There are several digits. Since n can reach a maximum of 10 ^ 7, the general method is not acceptable. Then, the following formula is derived: n! = N * (n-1) * (n-2 )*..... * 1N digits = [lg (n)] + 1; so: n! The number of digits = [lg (N * (n-1) * (n-2 )*..... * 1)] + 1 = [lgn + lg (n-1) + lg [N
introduce a more general solution to divide-and-conquer class problems-master theorem.
However, in order to better understand and use the master theorem, we need to further analyze the recursive tree and introduce an important parameter:Key power
Recall the recursive tree of recursive equation (1.
Each time a layer is added, the problem size of the function is reduced by a factor of C. Assume that base-case appears in layer d, then n/C ^ d = 1; D = 1_c (n ). use the bottoming formula D =
GIT/SVN tag Management methodAdvantage, switching branch costs at any time is low, especially when Git manages the code.Disadvantage, the code merge workload is large if multiple versions need to be modified.There is only one branch, which is judged by the version information in the code.Advantages, the overall size of the code is small (only one code)Disadvantage, there will be a large number of branch statements where the version needs to be judgedThe solution I've summed upThe final solution
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