file if it already exists fopen it in append mode and check if with ftell() if you're at the very start of the file (but that still will not allow to distinguish the cases of the file not existing at all and the file existing but being empty). Regards, Jens -- \ Jens Thoms To...
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/* strerror example : error list */ #include <stdio.h> #include <string.h> #include <errno.h>//必须包含的头文件 int main () { FILE * pFile; pFile = fopen ("unexist.ent","r"); if (pFile == NULL) printf ("Error opening file unexist.ent: %s\n",strerror(errno)); //errno...
Changing system time without administrator privileges Changing text of buttons in MessageBox Changing the static text control background color? Check for installed version of Microsoft Visual C++ 2013 Redistributable (x86) Check if a float is valid? check if directory exists Check if Iterator is valid...
For example, the system can send an unsolicited message using tpnotify() without the TPACK() flag, or an application can send a message using tpacall() with the TPNOREPLY() flag. If the message queue of the receiving program is full, the message is dropped....
static analysis of C/C++ code. Contribute to danmar/cppcheck development by creating an account on GitHub.
You can work with the workspace without appending it.After the Create call, the workspace object is in an open state, ready for use. You don't call Open after Create. You don't call Create if the workspace already exists in the Workspaces collection. Create initializes the database engine...
How to check if referenced resource exists How to check printing process successful or not. How to check whether the byte[] is empty How to child control find in control template How to clear a ComboBox after research in WPF? How to Clear an image control in WPF (C#) How to clear lab...
.gitattributes .gitignore .gitlab-ci.yml CODEOWNERS DESCRIPTION GOVERNANCE.md LICENSE Makefile NAMESPACE NEWS.0.md NEWS.1.md NEWS.md README.md _pkgdown.yml cleanup configure Latest commit Cannot retrieve latest commit at this time. History History...