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What generates the “text file busy” message in Unix?
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This error means some other process or user is accessing your file. Use lsof to check what other processes are using it. You can use kill command to kill it if needed.
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How do I get the directory that a program is running from?
...f(pBuf); to let the solution more clearly.
– charles.cc.hsu
Oct 5 '16 at 13:22
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Bash tool to get nth line from a file
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I wonder how long just cat'ting the entire file into /dev/null would take. (What if this was only a hard disk benchmark?)
– sanmai
Mar 23 '19 at 2:52
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std::unique_lock or std::lock_guard?
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If so, it would be invisible and undetectable. gcc-4.8 does it. wait(unique_lock<mutex>&) calls __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle()) (see libstdc++-v3/src/c++11/condition_variable.cc), which calls pthread_cond_wait() (see libgcc/...
What's the difference between EscapeUriString and EscapeDataString?
... strings by gathering the key-value pairs and percent-encoding and then concatenating them with the necessary separators. You can use Uri.EscapeDataString for this purpose, but not Uri.EscapeUriString, since it doesn't escape reserved characters, as mentioned above.
Only if you cannot do that, e.g. ...
brew install mysql on macOS
...ry/LaunchAgents]$ ls com.adobe.ARM.202f4087f2bbde52e3ac2df389f53a4f123223c9cc56a8fd83a6f7ae.plist com.mysql.mysqld.plist com.facebook.videochat.ava.plist homebrew.mxcl.postgresql.plist` under ` ~/Library/LaunchAgents` but unloading them gives launchctl: Couldn...
What is the direction of stack growth in most modern systems?
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In C++ (adaptable to C) stack.cc:
static int
find_stack_direction ()
{
static char *addr = 0;
auto char dummy;
if (addr == 0)
{
addr = &dummy;
return find_stack_direction ();
}
else
{
return ((&...
Convert SVG image to PNG with PHP
... type="text/css">
#CA,#FL,HI{
fill:blue;
}
#Al, #NY, #NM{
fill:#cc6699;
}
/*etc..*/
</style>
and then you can do a single text replace to inject your css rules into the svg before proceeding with the imagick jpeg/png creation. If the colors don't change, check to make sure you don...
What is the difference between gmake and make?
..., or the make implementations of various commercial unixes.
The language accepted by GNU make is a superset of the one supported by the traditional make utility.
By using 'gmake' specifically you can use GNU make extensions without worrying about them being misinterpreted by some other make implem...
Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
...n nisi ligula, dapibus a volutpat sit amet, mattis et dui. Nunc porttitor accumsan orci id luctus. Phasellus ipsum metus, tincidunt non rhoncus id, dictum a lectus. Nam sed ipsum a lacus sodales eleifend. Vestibulum lorem felis, rhoncus elementum vestibulum eget, dictum ut velit. Nullam venenatis, e...