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into sale values ('20170101', 1500); insert into sale values ('20170101', 200007 ); insert into sale values ('20170101', 200202); insert into sale values ('20170101', 1200); insert into sale values ('20170101', 200301 ); insert into sale (month) values ('20140901 '); (Note: the limit value of this record is null) commit; a total of 12 records are input SQL> select * from sale where limit like '% '; MONTH success ------ --------- 200001 1000 200002 1100 200003 1200 200004 1300 200005 1400 200006

POSIX ACL The shared directory To_manager only has full permissions for the manager User. Other users only have the permission to copy and create files to this directory. However, files cannot be deleted, and files cannot be copied or read. Procedure: 1. Change smb. conf as follows: [To_manager] Comment = To_manager Path =/To_manager Writable = yes Create mask = 1600 Directory mask = 1600 2. Enabl

　　Performance Analysis and optimizationThe vs2017 comes with a performance analysis tool.The main analysis of the performance bottlenecks encountered, as well as the thought of optimization methods, some verified, and some did not have time.First look at overall time and CPU occupancy.The final run time on my device (i5-5200u Samsung 860EVO Solid state) is about 27.3S. CPU share is relatively stable during the period.The first 0.5 seconds CPU occupancy is low, presumably because this time is jus

a map app:Map point based to address Uri location = Uri.parse ("Geo:0,0?q=1600+amphitheatre+parkway,+mountain+view,+california" )//or map point based on latitude/longitude//Uri location = Uri.parse ("geo:37.422219,-122.08364?z=14"); Z param is zoom level Intent mapintent = new Intent (Intent.action_view, location);To view the requested URL on a browser:Uri webpage = uri.parse ("http://www.android.com"); Intent webintent = new Intent (Intent.action_vi

mentioned above, pixels are divided into valid pixels and CCD pixels. Generally, for a 2 million-pixel digital camera, the maximum image resolution is 1600 × 1200 = 1.92 million pixels, that is, the actual valid pixel is 1.92 million. Generally, for a 3 million-pixel digital camera, the maximum image resolution is 2048 × 1536 = 3145728 pixels, that is, the valid pixel is 3.14 million. The resolution and effective pixel conversion of other pixel-level

, respectively, the equivalent frequencies are 400/533/667/800 MHz, while those of ddr31066/1333/1600/1800/2000 are 266/333/400/450/500 MHz, while those of ddr31066/1066/1333/1600/1800 are 2000/MHz respectively. The asynchronous memory working mode has multiple meanings. in a broad sense, any memory working frequency that is inconsistent with the external CPU frequency can be called the asynchronous memory

kingnareWhen an application needs to save a bitmap image locally or send it to the server, the common method is to encode the image by PNG or JPEG before sending the data. If you only want to save bitmap images, you only need to serialize bitmapdata. converting an image to JPEG/PNG is completely unnecessary.Bitmapdata to bytearrayObtain the byte array corresponding to bitmapdata. All you need to do is call the getpixels () method. The getpixels () method must specify the capture region. The mos

shown below: HTTPS:// Maps-api-ssl.google.com/staticmap? Center = 40.714728,-73.998672 zoom = 12 size = 400x400 client =GME-yourclientid Amp; sensor = false NOTE: IfHTTPSUse Not EnabledHTTPSThe request is rejected and the 400 "error request" error occurs. Address Resolution Service The Google map Address Resolution Service allows you to request the longitude and latitude information for address query. For the complete Google HTTP address parser documentation, visit http://code.google.co

We can provide you with a length of N. Each unit can contain one tower. There are three types of towers. Red 1) Attacks against enemies passing through the tower against X-second damage Green 2) attacks that attack enemies that have passed through the tower every second. Blue 3) Slow down to the enemy who has already passed through the tower, making the speed that originally passed through a unit of time t change to t + z For the Red Tower, it must be placed at the end, and then for the Green To

Solve the qt5.3 + vs2013 garbled code and add it before the main function #if _MSC_VER >= 1600 #pragma execution_character_set("utf-8") #endif In short, from qt5, the source code is UTF-8 encoded by default. Of course, the vc2010 editor also knows utf8 with Bom. Unfortunately, the vc2010 compiler simply acknowledges that it is utf8! //You can write a simple example like this #include Complete solution (with qt4, qt5, and non-VC environments

Tags: bbed Bbed is a powerful tool that allows us to directly modify the corresponding content from the data file without bypassing oracle. [emailprotected]>select * from emp; EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO---------- -------------------- ------------------ ---------- ------------ ---------- ---------- ---------- 7499 ALLEN SALESMAN 7698 20-FEB-81

1 drop table orders; 2 create table orders ( 3 o_id int auto_increment primary key, 4 orderdate date, 5 orderprice int, 6 customer varchar(100) 7 ); 8 9 insert into orders(orderdate, orderprice, customer) values(‘2008-12-29‘, 1000, ‘Bush‘);10 insert into orders(orderdate, orderprice, customer) values(‘2008-11-23‘, 1600, ‘Carter‘);11 insert into orders(orderdate, orderprice, customer) values(‘2008-10-05‘, 700, ‘Bush‘);12 insert into orders(orderdate,

Author Ma Yan: This content is original, prohibit reprint.How many kinds of displays are there on the market?According to statistics: laptop is divided into the following categories: Screen size resolution Zoom 11.6 inch 1366*768 widescreen 1 6:9 12.2 "1920*1200 widescreen 16:10 12.5" 1366*768 widescreen 16:9/12.5 "1920*1080 widescreen 16:9 13.3" 1920*1080 widescreen 16:9/13.3 inch 3200*1800 widescreen 16:9 14 inch 1366*768 widescreen 16:9/14 inch 1920*1080 widescreen 16:9 17.3 inch

enjoy the most beautiful scenery! Keep calm, life is no longer lonely.Examples of bold and italic: Code referenceWhen you need to reference the code, if you refer to a statement that has only one paragraph, do not branch, you can wrap the statement with '.If the referenced statement is more than one line, you can put ' ' in the first and last lines of the code.Examples of code references:FormRelated code:Tables | Are | Cool || ------------- |:-------------:| -----:|| col 3 is

server, use Webbench to simulate 200 or 400 connections in 10 seconds. the speed is over 8000 pages/minute. 4. the system load of the VPS server is 3.49. 5. increase the number of simulated connections to 1600 and keep the speed above 8000 pages/minute. 6. at this time, the system load of the VPS server is 17, which should be a little difficult. 7. increase the number of simulated connections to 5000. the speed is 4800 pages/minute, a

yuan.Pre-tax expenditure. So what is the tax he should pay? This is a relatively complex knowledge. This article provides the formula and answer:(3902.6-1600) * 15%-125 =220.39(RMB)That is to say, the total tax paid by this person in 1st day of this month is220.39(RMB) How much can he get in the end?4940-543.4-494.00-220.39= 3682.21 (RMB) Let's look at another example. For a college student, the Unit promises a monthly salary of 2000.Therefore, the t

From: http://zhichang.umiwi.com/2011/1202/51285.shtmlInsights on monthly salary of 30 thousand Let's talk about my experience. I started working at the age of 15. At the beginning, I started to work as a half-worker, using summer holidays and other temporary promotions and part-time models. Half a year later, I simply took off school to become a full-time promoter. When I arrived in Shenzhen in 1600, I had a monthly salary of 30 thousand yuan since th

Use bbed to modify data and bbed to modify data Bbed is a powerful tool that allows us to directly modify the corresponding content from the data file without bypassing oracle. ZBDBA@orcl11g>select * from emp; EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO---------- -------------------- ------------------ ---------- ------------ ---------- ---------- ---------- 7499 ALLEN SALESMAN 7698 20-FEB-81

5. Determine whether the memory usage exceeds the limit The Code is as follows: Mem = 'getmem $ PID' If [$ mem-gt 1600] Then { Echo "The usage of memory is larger than 1.6G" } Else { Echo "The usage of memory is normal" } Fi Example: 1) source program (assuming that the process ID of CFTestApp has been found to be 11426) The Code is as follows: Mem = 'getmem 11426' Echo "The usage of memory is $ mem M" If [$ mem-gt

function obtains the process memory usage of the specified process ID. It has a parameter named process ID. It first uses ps to find process information, filters out VSZ rows through grep-v, and then obtains memory usage in megabytes by Division of 1000. Listing 4. Monitor the memory usage of business processes Copy codeThe Code is as follows:Function GetMem{MEMUsage = 'ps-o vsz-p $1 | grep-v vsz'(MEMUsage/= 1000 ))Echo $ MEMUsage}The following function obtains the memory usage of the process t