How can I read/write structs from/to data files?
Infrequently Asked Questions in comp.lang.cLoop with putchar. Be careful; if your machine uses signed chars by default, all of the sign bits in your structure elements will be reversed. [a]
How long does it take to write the image to the media?
EVOLT E-500 > Frequently Asked QuestionsThis figure depends on the speed of the media card used. As a general guideline, a SanDisk Extreme III CF card is fast enough to allow you to continuously shoot without any delay (using the default HQ quality mode).
How do I find out the list of image formats I can read or write?
jGuru: Media FAQ Home PageTo discover the installed set of readers and writers, you simply ask the ImageIO class through its getReaderFormatNames() and getWriterFormatNames() methods....
How do I add image files in my photo album?
Online Portfolio & Resume WebsitesFrom Administrator's Panel select Update Photo Album. Use Browse button to select the file and click Add New. To delete a picture, select the picture from the dropdown list and click Delete.
How do I read/write files?
JavaScript - Frequently Asked Questions - CodingForums.comPure client-side JavaScript cannot write files to the server because it simply was never intended to and moreover, that's what server-side languages are used for. Perhaps there are security reasons among others for this as well. for reading files with JavaScript, this is completely possible and done quite easily if you use something like Vlad's script or David's script.
I need to read/write files. How do I find the correct path for my site?
hsphere faqThe correct way to do this would be using Server.MapPath. This would map the virtual path to a physical location on the disk. Ex. If you have a file in your root web called visitor.txt and you use Server.MapPath("/visitor.txt") and the physical path to you root web was "F:\webs\yourweb" then it would return: "F:\webs\yourweb\visitor.txt" If you use this method you should never have to worry about the physical paths.
How can I read/write structures from/to data files?
Structures, Unions, and EnumerationsIt is relatively straightforward to write a structure out using fwrite: fwrite(&somestruct, sizeof somestruct, 1, fp); and a corresponding fread invocation can read it back in. What happens here is that fwrite receives a pointer to the structure, and writes (or fread correspondingly reads) the memory image of the structure as a stream of bytes. The sizeof operator determines how many bytes the structure occupies.
Can I read and write files from a kernel module?
Unofficial comp.os.linux.development.* FAQYes, but it is a little tricky. You should not use the usual user space functions open, read, write, and close. Instead you should use filp_open and the methods in the returned struct. Always remember to cleanup after yourself. Here is an example: (FIXME: Put the updated version here) kcp.c. If you need more examples I suggest you take a look on the sourcecode for the khttpd or tux webserver. Always remember that file access is only possible in a process context.
When I read and write graphics files they have errors. Why?
REBOL Language FAQBe sure to use the /BINARY refinements on READ and WRITE when dealing with binary data such as graphics, programs, compressed data, etc. data: read/binary http://web.page.org/pic.jpg write/binary %some-pic.jpg data If you don't, the file will be read as a text string, and any bytes that appear to be line terminations (CR) will be converted or deleted.
How can I read and write from a database?
FAQ - iMacrosDatabase integration is very easy with iMacros thanks to its powerful Scripting Interface. iMacros can connect to any Windows database, for example Access or SQL Server, but also MySQL. The Scripting Interface can be used from any Windows programming or scripting language like Excel VBA, Foxpro, Perl, C, C++, Java with no problems. Please see the following example scripts: "extract-2-file.vbs" (uses wsh-extract-and-fill-part1 and wsh-extract-and-fill-part1 macros) "extract-2-database.
When I recover files I get "Can't read file to be recovered completely (801)". What does it mean?
R-TT - FAQIt means that the file under consideration extends beyond the partition it resides on. That means either severe data lost or that you use wrong Recognized partition to recover the file. Please explore all such partitions. A Red cross on the icon means that file has been deleted and will have to be recovered to be accessed by the system. That is it. Files without the red cross are not marked as deleted.
How can I read signal files?
Frequently Asked Questions about PhysioNetIf you would like to read signal files within a C, C++, Fortran, Java, Perl, or Python program, see the WFDB Programmer's Guide for information on doing this using the WFDB library. Other programming languages supported by SWIG may also be usable with the WFDB library, but have not been tested. Briefly, use isigopen() to open the files, and getvec() to read them.
How can I read annotation files?
Frequently Asked Questions about PhysioNetIf you would like to read annotation files within a C, C++, Fortran, Java, Perl, or Python program, see the WFDB Programmer's Guide. Other programming languages supported by SWIG may also be usable with the WFDB library, but have not been tested. Briefly, use annopen() to open the files, and getann() to read annotations from them.
How do I read the download files on this website?
Frequently Asked Questions (FAQs)pipe-delimited text (.txt) format files (OTCBB Symbol Directory, Daily List, Monthly Share Volume, etc.); self-extracting ZIP (.exe) files that expand into pipe-delimited text format files (Monthly Share Volume Report, Market Maker List, Other-OTC Symbol Directory, etc.). This information will need to be saved to your computer. Select File from the menu bar, then select the Save As... option You can now import the data into a spreadsheet or database.
Why are some files in PDF format, and how can I read them?
FRB: FAQsAdobe's Portable Document Format (PDF) reproduces the exact look of a printed page and is used for documents that could not be readily deployed in hypertext markup language (HTML)--the "typeset" format that is designed for web browsers--or in the plain "typewriter" text of ASCII (American Standard Code for Information Interchange). Also, the document may be offered in PDF along with one or both of the other two formats.
What size image files am I able to open in Asiva Photo?
Asiva® FAQAsiva® Photo can handle image files of any size and resolution, limited by file format only. It looks at your image file and the configuration of your computer and opens a working representation (Working Resolution) of your original image file. You can then create and apply whatever Operations you choose and see the results efficiently as you work. When all the Operations are complete, you can render to a full-sized image file.
How does Floppy Image read a disk?
Towodo Software - Floppy Image FAQFloppy Image reads a disk track by track. Since Floppy Image reads a disk in this way it doesn't care about invisible files, filesystems or bootsectors as long as the floppy controller in the floppy drive supports the format of the disk. Amiga floppy disks are not compatible with PC floppy controllers and will therefore never be supported. Consider the image below which shows the surface of a floppy disk (or a harddrive platter for that matter). The disk rotates around its center.
Can one read/write files from PL/SQL?
PL/SQL FAQ - Oracle FAQA DBA user needs to grant you access to read from/ write to a specific directory before using this package. Here is an example: CONNECT / AS SYSDBA CREATE OR REPLACE DIRECTORY mydir AS '/tmp'; GRANT read, write ON DIRECTORY mydir TO scott; Provide user access to the UTL_FILE package (created by catproc.sql): GRANT EXECUTE ON UTL_FILE TO scott; Write File DECLARE fHandler UTL_FILE.FILE_TYPE; BEGIN fHandler := UTL_FILE.FOPEN('MYDIR', 'myfile', 'w'); UTL_FILE.
How i can get read and write access to ntfs files system from fedora?
Fedora For NewbiesFedora kernel has module for read and write access to the ntfs file system, that should be enabled, now the easy way for installed kernel is to install the kernel version ntfs modules get the lates fedora core 5 kernel ntfs moudle from here or use the yum to install the module:
