525th mi

Decoding has been using the FFmpeg, recently want to decode before decoding the number of frames, found that FFmpeg can only be traversed to obtain the number of frames.Online check, MediaInfo seems to be a good library.Download the MediaInfo library file, extract the MediaInfoDLL.h header file and the MediaInfo.dll file.Start compiling error, change a person with MediaInfo.dll , normal operation, unknown so. It is estimated that DLL compilation generated the problem.Under the console SDK develo

1. Obtain the system time Statement (ssxff6 gets the six digits after the decimal point) Select sysdate, systimestamp, to_char (systimestamp, 'yyyymmdd hh24: MI: ssxff6'), to_char (systimestamp, 'yyyymmdd hh24: MI: Ss. ff6') from dual; 2. Convert string type to Timestamp Select to_timestamp ('2017-09-14 12:52:42. 100', 'syyyy-mm-dd hh24: MI: Ss. ff') from d

The date format stored in the database is different from the date format in SQL.SQL> insert into test_date values (to_date ('2017-12-17 16:42:42 ', 'syyyy-mm-dd hh24: mi: ss '));One row has been created.SQL> select to_char (date_col, 'syyyy-mm-dd hh24: mi: ss') dat, dump (date_col) dump_date from test_date;DAT DUMP_DATE-----------------------------------------------------------------------------16:42:42 Typ

day of the date. Eg, select to_char (last_day (sysdate), 'yyyy-mm-dd hh24: mi: ss') from dual; Output result: 23:27:20 Round and trunc functions: Rounding according to the specified precision Eg, select round (55.5), round (-55.4), trunc (55.5), trunc (-55.5) from dual; Output result: 56-55 55-55 Next_day (date, 'day') function: calculates the date of the next week Based on the date and day of the week. For example, select next_day ('30-May 20-2011

overload is called Based on the log type :: do_apply_event is used to actually extract logs. The reason for Hang is as follows:Once slave_ SQL is successfully started, it will hold the mi-> run_lock lock. mi is an instance of Master_info and records the host information, which is the content of master.info, mi-> run_lock is held, indicating that the

Today, when I imported the previously backed up data to oracle, I found the prompt ORA-12899 error value too large for column, this is the problem of too big data, let me share the solution process with you. The following error occurs when exporting data from production to testing: ORA-02374: conversion error loading table "SWTONLINE". "TBL_TRANS_LOG_HISTORY_ B"ORA-12899: value too large for column MER_ADDR_NAME (actual: 54, maximum: 40) It is preliminarily estimated that, due to character set d

]) +abs (b[cb+i-1]-p)); } ans=min (ans, ans1); } printf ("%lld\n", ans); return 0;}E. Cards sortingTest instructions: N number, Operation: Remove the first number of each time, if it is the smallest of these numbers to delete, if not just put to the bottom. How many times does it take to remove the N number.Tags: use set and tree arrays to quickly simulate operations. start thinking wrong, thinking is for once, each number will be greater than its number in front of the contribution, and finally

CREATE Table #timeseries (times datetime NOT NULL)GoDECLARE @firstdate datetime, @lastdate datetimeDECLARE @MI intBeginSet @firstdate = ' 8/8/2012 6:00 'Set @lastdate = ' 8/9/2012 6:00 'Set @MI =datediff (MI, @firstdate, @lastdate)--Nested Loopswhile (@MI >=0)BeginINSERT INTO #timeseriesVALUES (@firstdate)SET NOCOUNT o

int hi = numbers.length-1; Set the initial value int mi = lo; Make sure that the LO is in the previous ordered part, HI is in the latter part of the order while (Numbers[lo] >= Numbers[hi]) {//When the processing range has only two data, the latter result is returned Because Numbers[lo] >= Numbers[hi] is always true, the latter result corresponds to the smallest value if (Hi-lo = = 1) {return Numbers[hi]; }//Ta

length, and merges the document and the user's interest (query) according to certain probability relation, and forms the famous Okapi formula. The model has been successful in the field of information retrieval. dimensionality reduction is the process of extracting some features from the original feature space automatically, usually through two ways: one is to delete the feature without any information according to the statistic information of the sample set; the other is to synthesize a numbe

Title Description DescriptionThe backpack volume is V, gives n items, each item occupies a volume of VI, the value of WI, each item can take up to 1 pieces, or the maximum number of MI pieces (Mi > 1), or the amount of unlimited, in the total volume of the items installed under the premise of the contents of the value of the goods and the largest value of what. Enter a description input DescriptionThe first

[SDOI2016Round1] [solution Report] Day1 T1: Question: Please Σ n? 1i = 0 Sigma m? 1j = 0max (ixorj )? K, 0) Because each operator is independent, the contribution of one operator can be calculated. F [I] [a] [B] [c] Indicates the I-th digit. N, m, k 0 indicates less than, 1 indicates equal before I, 2 indicates greater. At the time of transfer, what is the number of the current position of the American TV series, just move from the high position to the low positi

parameter. Date_value: = last_day (date_value) SQL> select last_day (date '2017-02-01 ') "Leap Yr? "From dual; Leap Yr? ---------- 29-2-00 SQL> select last_day (sysdate) "Last day of this month" from dual; Last day o ---------- 30-11-03 SQL> 7,Localtimestamp ()Returns the date and time in the session. Timestamp_value: = localtimestamp SQL> column localtimestamp format a28 SQL> select localtimestamp from dual; LOCALTIMESTAMP ---------------------------- 13-11-03 12.09.15.433000 Afternoon SQL> se

Oracle's to_number, to_char, and to_date usageTO_DATE is to convert the string to the date type conversion function in the database TO_CHAR is to convert the date or number to the string TO_NUMBER to convert the character to the number TO_DATE using the TO_DATE function to convert the character to the date TO_DATE (char, 'format') Example 1: select to_date ('2017-07-01 10:00:00 ', 'yyyy-mm-dd hh24: mi: ss') from dual; select to_date ('2017-07-01 ', 'y

[ORACLE] processing of oracle time objects 1.1 Use of oracle date objects (1) Create A date Field For example, Create table foo_7 (d1 date ); (2) Use the to_date function to insert a date object. To_date ('string', 'string' format ') For example, Insert into foo_7 values (to_date ('August 13, November 20, 2015 ', 'yyyy "year" mm "month" dd "day" hh24 "Hour" mi "Minute" ss "second "')); Or: 'yyyy-mm-dd hh24: mi