Recently you need to count the total number of lines of code in the project, write a Python applet, and have to say how concise Python is, if it's written in Java at least twice times the current code.Importospath= "/users/rony/workspace/ecommerce/ecommerce/hot-deploy/" Globaltotalcounttotalcount =0defcfile (path): allfiles=os.listdir (path) forfileinallfiles:child= os.path.join (Path,file) ifos.path.isdir
based on SQL Server 2012 and later is as follows:1 --Solutions for SQL Server 2012 and above using enhanced window functions
2 SELECTT.product_name, T.sale_amount, T.rownum, T.sale_totalamount, T.sale_accumulateamount, T.Sale_AccumulatePercent 3 from (
4 SELECTT.product_name, T.sale_amount, T.rownum, T.sale_totalamount, T.sale_accumulateamount5,100.0 *T.sale_accumulateamount/T.sale_totalamount asSale_accumulatepercent/*percentage of cumulative sales in
to use the tree-level menu, has been more like jquery.treeview (in fact, only know and will only use Jquery.treeview), unfortunately does not support the checkbox. Although there are many good jquery-based tree-level menu frameworks in open source China, I thought it was ... More Jquer.treeview.addon Information
JQuery Tree Diagram Plugin Tree-multiselect
Tree-multiselect can use a tree view instead
Note: This method gets the record count much faster than select count (*) from table_name1. In general, the aggregate function Count can be used to query the total number of records.Select count (*) as total number of records from table_name2. You can also query the table sysindexes.Select rows from sysindexes where id = object_id ('table name') and indid Syntax: Object_id ('object ')Return type: int'Object
Some reports are often made during software development. Most reports need to be calculated based on a column to calculate 'subtotal 'and 'Total' projects. Generally, you are processing data in front-end programs. In fact, you can use SQL statements to easily complete this function.SQL> select decode (grouping (Dept. dname), 1, 'total: ', Dept. dname) dname, 2 de
C # Add a total record in listview foreach (listviewitem LVI in listview1.items)
{
Sum + = float. parse (LVI. subitems [3]. Text );
}
Private void sumlistview (){Float sum = 0;For (INT I = 0; I {Sum + = float. parse (listview1.items [I]. subitems [3]. Text );}This. label5.text = "Total:" + sum. tostring ();}// Listview1.items [0]. subitems [0] indicates
Look at the manual found that the role of sql_calc_found_rows keyword in the query to meet the filter conditions after the total number of results (not limited by the Limit) specific use of the following, interested friends can learn under
MySQL's keywords:Sql_calc_found_rowsAfter viewing the manual, it is found that this keyword is useful when querying the total number of results (not limited by Limit) th
/* There are 3 posts with a lot of IDs, they posted more than the total number of post n 1/4, can you find their ID from the list of IDs? First consider 2 post many IDs, they post the number of posts more than the total number of purposes 1/3, each delete three different can be entered: (for 22 water king) 9 1 2 3 2 3 2 3 2 3 output: 2 3 Input: (for 3 water Kings
say this:, led to small white in this step how also can not back out.9Service httpd Restartyourweb/wp-admin/install.php InstallationTotal Disk 0.82G after installationIf you want to install phpMyAdmin1Cd/var/www/htmlwget http://nchc.dl.sourceforge.net/project/phpmyadmin/phpMyAdmin/3.3.10/phpMyAdmin-3.3.10-all-languages.tar.gzTar Xvfz phpmyadmin-3.3.10-all-languages.tar.gzMV Phpmyadmin-3.3.10-all-languages PhpMyAdminCD phpMyAdminCP config.sample.inc.php config.inc.phpVI config.inc.php$cfg [' Ser
After mysql table sharding, how does one paging the table (160 million tables in total) after mysql table sharding, there are 15 million tables and 160 million data records? How does one paging the table?
Previously, we wanted to use union all to merge 160 Table result sets .. However, the data on the direct card is hidden ..
What should I do here? Thank you ~~~
Reply to discussion (solution)
What are the conditions for table sharding?If the resu
C language A total of 32 keywords, as described below:
Auto: Declaring automatic variables
Short: Declaring an integer variable or function
int: Declaring an integer variable or function
Long: Declaring an integer variable or function
float: Declaring floating-point variables or functions
Double: declaring a double variable or function
Char: Declaring
Sina Technology News Beijing time on February 11 News, according to foreign media reports, sources revealed that Oracle plans to acquire some well-known open source code companies, to make full use of the software industry open source trends. Oracle is currently negotiating with these companies. Oracle has previously invested heavily in Siebel and Renke, and is currently completing business integration. However, Oracle
Sina Technology News Beijing time on February 11 News, according to foreign m
Today, I read a book and write a small project example. I encountered a small problem to query the total number of records in a table. Baidu hasn't found a solution for a long time! The
This post has contributed a total of 500 points, and 100 points for no contribution. System: discuz3.2
I need some SQL statements to query the discuz data table and obtain information such as posts, members, and other information. In addition to queries, it also includes write and update operations.
Of course, it is not a simple database connection. it must b
The simplest way to count the size (number of bits) of a directory is to enter the command in the console: DU-SB Directory Address implementing this function in C + + is achieved by recursively traversing files and subdirectories in the directory. It is important to note that because the byte count is too large, only one integer is counted for the number of bytes, and a larger directory will overflow. So
Using Python to achieve the size of the statistics folder, you need to use the OS module. The OS module provides a way to count file sizes: os.path.getsize (Dirpath)The specific code is as follows:ret = Os.sep.join (__file__. Split ('/') [:-2]) name=os.path.basename (ret) sum=0deffunc (Dirpath): LST= Os.listdir (Dirpath)#a list of files under a large folder, incl
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.