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C 2022-02-10 06:35:07
c get file size
If you have the file stream (FILE * f): fseek(f, 0, SEEK_END); // seek to end of file size = ftell(f); // get current file pointer fseek(f, 0, SEEK_SET); // seek back to beginning of file // proceed with allocating memory and reading the file Or, #incl... Add solution -
PHP 2021-11-19 16:08:36
READIMAGE FUNCTION PHP
Use this to convert all pages of a PDF to JPG: <?php $imagick = new Imagick(); $imagick->readImage('myfile.pdf'); $imagick->writeImages('converted.jpg', false); ?> If you need better quality, try adding $imagick->setResolution(15... Add solution -
Shell/Bash 2021-11-17 12:09:24
grep first match
# Basic syntax: grep -m 1 "pattern" input_file.txt # Where -m is the maximum number of matching lines to return, i.e. stop # reading the file after m matches # Note, this is more efficient than piping to head because there you # always read the ... Add solution -
C 2021-11-11 10:09:34
how to check the size of a file in linux c
If you have the file stream (FILE * f): fseek(f, 0, SEEK_END); // seek to end of file size = ftell(f); // get current file pointer fseek(f, 0, SEEK_SET); // seek back to beginning of file // proceed with allocating memory and reading the file Or, #incl... Add solution -
Other 2021-10-23 18:48:13
no columns to parse from file
Using try and except just lets you continue in spite of errors and handle them. It won't magically fix your errors. read_csv expects csv files, which your input is obviously not. A quick look into the documentation: delim_whitespace : boolean, default F... Add solution -
Java 2021-09-21 15:12:02
getting java code for hashing files
private static String getFileChecksum(MessageDigest digest, File file) throws IOException { //Get file input stream for reading the file content FileInputStream fis = new FileInputStream(file); &... Add solution -
Shell/Bash 2021-08-30 00:05:02
bash grep only return first match
# Basic syntax: grep -m 1 "pattern" input_file.txt # Where -m is the maximum number of matching lines to return, i.e. stop # reading the file after m matches # Note, this is more efficient than piping to head because there you # always read the ... Add solution -
Shell/Bash 2021-08-28 06:12:02
bash return only first line that contains match
# Basic syntax: grep -m 1 "pattern" input_file.txt # Where -m is the maximum number of matching lines to return, i.e. stop # reading the file after m matches # Note, this is more efficient than piping to head because there you # always read the ... Add solution
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