io

问题 I am trying to save a solution using the OVERFLOW-PLOT3D q-file format (defined here: http://overflow.larc.nasa.gov/files/2014/06/Appendix_A.pdf). For a single grid, it is basically, READ(1) NGRID READ(1) JD,KD,LD,NQ,NQC READ(1) REFMACH,ALPHA,REY,TIME,GAMINF,BETA,TINF, & IGAM,HTINF,HT1,HT2,RGAS1,RGAS2, & FSMACH,TVREF,DTVREF READ(1) ((((Q(J,K,L,N),J=1,JD),K=1,KD),L=1,LD),N=1,NQ) All of the variables are double precision numbers, excepts for NGRID, JD, KD, LD, NQ, NQC and IGAM which are

问题 I am trying to build a tool which is something similar to Task Manager. I was able to get the CPU and Memory of each processes, but I couldn't figure out the Disk statistics. I was able to get the I/O Read, Write bytes, but it includes all file, disk and network. How could I get only the Disk Utilized by each processes?? Otherwise is it possible to segregate the disk statistics from those I/O bytes? If yes, how could I do it? 来源： https://stackoverflow.com/questions/32948539/get-disk-utilized

问题 I am trying to build a tool which is something similar to Task Manager. I was able to get the CPU and Memory of each processes, but I couldn't figure out the Disk statistics. I was able to get the I/O Read, Write bytes, but it includes all file, disk and network. How could I get only the Disk Utilized by each processes?? Otherwise is it possible to segregate the disk statistics from those I/O bytes? If yes, how could I do it? 来源： https://stackoverflow.com/questions/32948539/get-disk-utilized

问题 I have a file with a number of lines formatted with the following syntax: FIELD POSITION DATA TYPE ------------------------------ COOP ID 1-6 Character LATITUDE 8-15 Real LONGITUDE 17-25 Real ELEVATION 27-32 Real STATE 34-35 Character NAME 37-66 Character COMPONENT1 68-73 Character COMPONENT2 75-80 Character COMPONENT3 82-87 Character UTC OFFSET 89-90 Integer The data is all ASCII-formatted. An example of a line is: 011084 31.0581 -87.0547 26.0 AL BREWTON 3 SSE ------ ------ ------ +6 My

问题 We have application on android market, our users getting a lot from this error: java.io.IOException: No space left on device From what I found out so far, I know that they got enough space left on they external storage, and it's only happen on Android 2.x . I had a small research in Linux file system, and I found out that beyond the space limitation there are limitation on number of files in each directory and the total number of files under root directory. But it looks like our app is not

问题 We have application on android market, our users getting a lot from this error: java.io.IOException: No space left on device From what I found out so far, I know that they got enough space left on they external storage, and it's only happen on Android 2.x . I had a small research in Linux file system, and I found out that beyond the space limitation there are limitation on number of files in each directory and the total number of files under root directory. But it looks like our app is not

问题 How can I read/write to a device in C++? the device is in /dev/ttyPA1 . I thought about fstream but I can't know if the device has output I can read without blocking the application. My goal is to create and application where you write something into the terminal and it gets sent into /dev/ttyPA1 . If the device has something to write back it will read it from the device and write to screen. If not it will give the user prompt to write to the device again. How can I do this? 回答1: Use open(2),

问题 I have the following file.txt (abridged): SICcode Catcode Category SICname MultSIC 0111 A1500 Wheat, corn, soybeans and cash grain Wheat X 0112 A1600 Other commodities (incl rice, peanuts) Rice X 0115 A1500 Wheat, corn, soybeans and cash grain Corn X 0116 A1500 Wheat, corn, soybeans and cash grain Soybeans X 0119 A1500 Wheat, corn, soybeans and cash grain Cash grains, NEC X 0131 A1100 Cotton Cotton X 0132 A1300 Tobacco & Tobacco products Tobacco X I'm having some problems reading it into a

问题 I was reading File.AppendAllText method from msdn http://msdn.microsoft.com/en-us/library/ms143356.aspx I saw they have listed FileNotFoundException to possible exceptions list for the method but according to there description about method on the same page Opens a file, appends the specified string to the file, and then closes the file. If the file does not exist, this method creates a file, writes the specified string to the file, then closes the file. this part If the file does not exist,

问题 I was reading File.AppendAllText method from msdn http://msdn.microsoft.com/en-us/library/ms143356.aspx I saw they have listed FileNotFoundException to possible exceptions list for the method but according to there description about method on the same page Opens a file, appends the specified string to the file, and then closes the file. If the file does not exist, this method creates a file, writes the specified string to the file, then closes the file. this part If the file does not exist,