calculate iops

Method/Step Click the right mouse button to view the video file properties to learn the size of the video file and how long the video is playing If the video file is 250MB, the playback length is 30min, then we can calculate the video code rate by formula: Video rate = (video file size *8)/time, where the rate of video is (Kbps), video file size in KB, unit of time is S, So we can get a video size of 1111kbps The video's sharpness and the video's r

Steps to calculate age in Excel Open the Excell table you want to edit, and select the "Age" line. Click the right mouse button to select format Cells. Select "Value" in the number option, and then click "OK" after "Number of decimal digits" to "0". Click the cell "C2" and enter "= (today ()-b2)/365". Click the "tick" option or press "enter" Then select C2 this cell, when the cross arro

This article is a way to calculate the length of the message for Sina Weibo. Yes (please follow the Community Convention and enter 119 words). Copy Code code as follows: var getmessagelength = (function () { var bytelength = function (b) { if (typeof B = "undefined") { return 0; } var a = B.match (/[^x00-x80]/g); return (B.length + (!a? 0:a.length)); }; return function (message) { message = Message | | ''; message = Message.replac

word2013 Calculate table data steps as follows: word2013 sum operation: Step One: Move the cursor to the cell where the result is placed. Step Two: Click the formulas option in the data group on the Layout tab. Step three: In the Formula dialog box that pops up, the "Sum above data" command (SUM (ABOVE)) is the default. If this is not the command, enter the command after "=", or click the SUM option on the Paste Function me

A calculator, please. Although Word2007 provides a "calculation" tool but it seems to be a little shy to see people's taste because of its simplicity of function. So, the calculator, hidden, if you want to use it first, the method is as follows Right-click the Quick Access Toolbar, and then click from the shortcut menu to customize the Quick Access Toolbar (figure) In, select the command from the following location, click in the box, not in the ribbon, and then, in the list of commands belo

For express statistics, because each express arrival location is different, so the charges will not be the same, this period introduces a quick way to help express statisticians use Excel quick statistics all over the postage 1, first look at the effect 2, the first to create a secondary column, known as the regional costs, we use VLOOKUP to quote the area, the formula, if you do not understand the VLOOKUP function, you can see the previous experience 3, th

People who have used an IFRAME know that it is a template, there is an IFRAME, and in the IFRAME, can be nested multiple pages. (The more common problem is that the IFRAME page, often appears when the content display is not full).Remember, by JS to calculate the height, the most important thing is that all the elements wrapped in the inside of the elements, that is, the height of the body, the height of the other elements are present, generally as lon

= (C1 + C2 * T) * cos (theta) (3.16-type) The Calcearthlongitudenutation () function is the implementation code that calculates the Huang motion: Double calcearthlongitudenutation (double dt) { double T = dt *; Double D,m,mp,f,omega; Getearthnutationparameter (DT, d, m, MP, f, omega); Double resulte = 0.0; for (int i = 0; i The Getearthnutationparameter () auxiliary functio

This example describes how PHP uses inverse polish to calculate wages. Share to everyone for your reference. Specifically as follows: The general algorithm for converting an ordinary middle-order expression to an inverse Polish expression is: First you need to allocate 2 stacks, a stack S1 (with a closing symbol) as a temporary storage operator, a stack S2 (empty stack) as an input inverse polish, and the S1 stack can first be placed at the lowest p

CAD2014 is a lot of users in the use of a mapping software, so, there are netizens asked: cad2014 How to calculate the area. In today's use of the tutorial, we will be together to understand the cad2014 area of the basic method, hope to help everyone! Query Q cad2014 method of calculating area: 1, open cad2014, in the menu bar, click "Tools"; 2, pull out tool options, with the mouse pointing to "Query Q", activate the query command, su

Explain:1.awk ' nf{a++;p rint a,$0;next}1 ' file4First of all, the existence of the value of NF, the first row of the second row of the third row of the fourth row is present, the output after execution, after the output hit next, the end of the operation, NF does not exist the row does not carry out the operation {}, then the default 1 output.2.awk ' Nf{a++;$0=a "" $0}1 ' file4NF exists, the operation {}, the operation is to replace the original $0=a value of $0=1 A, the number of times after t

Calculate Linux system memory utilization correctlyFor the operating system, buffers and cached are already used (Mem: this line)memfree=total-used314952=24946552-24631600For the application (corresponding to the-/+ Buffers/cache line) memfree=buffers+cached+free19536392=152116+19069324+314952 [[emailprotected] bin] # free total used free shared buffers mem:37 820 37316 504 0 704 swap:0 0 0total:37820 37316 504[[emailprotected] bin] # cat/pro

appears exactly once in the output. The origin (0,0) is the vertex on the first line of the output. The order of vertices in the output would determine a trip taken along the polygon's border, in the counterclockwise direct Ion. The output format for each vertex is (x, y) as shown below.Sample Input0 070-5060 30-30-5080 2050-6090-20-30-40-10-6090 10Sample Output(0,0) ( -30,-40) ( -30,-50) ( -10,-60) (50,-60) (70,-50) (90,-20) (90,10) (80,20) (60,30)SourceRocky Mountain 2004Test instructionsGive

#include #include int main (){Double a,b,c,disc,x1,x2;scanf ("%lf%lf%lf", a,b,c);Disc=b*b-4*a*c;if (disc>0){printf ("The equation has two different real roots \ n");printf ("x1=%5.2f\n,x2=%5.2f\n", (-b/(2*a) +sqrt (disc))/(2*a), x2= (-b/(2*a)-sqrt (disc))/(2*a));}if (disc==0){printf ("There are two identical real roots \ n");printf ("x1=x2=%5.2f\n", (-B+SQRT (disc))/(2*a));}else printf ("Equation without solution");return 0;C language Beginner to calculate