Reading and writing binary file
If you want to do this the C++ way, do it like this: If you need that data in a buffer to modify it or something, do this:
file
How to delete a specific line in a file?
First, open the file and get all your lines from the file. Then reopen the file in write mode and write your lines back, except for the line you want to delete: You need to strip(“\n”) the newline character in the comparison because if your file doesn’t end with a newline character the very last … Read more
Reading data from file into an array
Hi I have compiled your code, with the .txt it runs well, without gives the strage numbers that you see. So probably you are opening a file that does not exists, or can not be red. This snippet checks if the file exists, raises an error if not, and uses a vector(more suitable in c++)
JavaScript: Create and save file
A very minor improvement of the code by Awesomeness01 (no need for anchor tag) with addition as suggested by trueimage (support for IE): Tested to be working properly in Chrome, FireFox and IE10. In Safari, the data gets opened in a new tab and one would have to manually save this file.
System.ComponentModel.Win32Exception (0x80004005): Access is denied on ixwebhosting
Your application runs under admin account locally, when you deploy it to web server, it will be running under the IIS user. Hence, assigning necessary permissions to IIS user is essential to make your application running on web server. Also, make sure that Application pool identity of your application is Network service. Following threads will … Read more
Creating files and directories via Python
Key point is to use os.makedirs in place of os.mkdir. It is recursive, i.e. it generates all intermediate directories. See http://docs.python.org/library/os.html Open the file in binary mode as you are storing binary (jpeg) data. In response to Edit 2, if img_alt sometimes has ‘/’ in it:
How to use EOF to run through a text file in C?
How you detect EOF depends on what you’re using to read the stream: Check the result of the input call for the appropriate condition above, then call feof() to determine if the result was due to hitting EOF or some other error. Using fgets(): Using fscanf(): Using fgetc(): Using fread(): Note that the form is the same for all of them: … Read more
Reading string by char till end of line C/C++
You want to use single quotes: Double quotes (“) are for strings, which are sequences of characters. Single quotes (‘) are for individual characters. However, the end-of-line is represented by the newline character, which is ‘\n’. Note that in both cases, the backslash is not part of the character, but just a way you represent … Read more
.write not working in Python
Did you do f.close() at the end of your program?