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Linux c++ error: undefined reference to 'dlopen'
...acts. With CC=Clang, this works:
$CC -ldl -x c -o app.exe - << EOF
#include <dlfcn.h>
#include <stdio.h>
int main(void)
{
if(dlopen("libc.so.6", RTLD_LAZY | RTLD_GLOBAL))
printf("libc.so.6 loading succeeded\n");
else
printf("libc.so.6 loading failed\n");
return 0;
}
...
Postgresql - change the size of a varchar column to lower length
...a short string (up to 126 bytes) is 1 byte
plus the actual string, which includes the space padding in the case
of character. Longer strings have 4 bytes of overhead instead of 1.
Long strings are compressed by the system automatically, so the
physical requirement on disk might be less. Very...
Getting the client's timezone offset in JavaScript
...plit[split.length - 1];
This will give you "GMT-0400 (EST)" for example, including the timezone minutes when applicable.
Alternatively, with regex you can extract any desired part:
For "GMT-0400 (EDT)" :
new Date().toString().match(/([A-Z]+[\+-][0-9]+.*)/)[1]
For "GMT-0400" :
new Date().toS...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...If possible, save your old NGINX config files so you can re-use them (that includes your init.d/nginx script)
yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX
Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy...
How do I tar a directory of files and folders without including the directory itself?
...tory to my_directory, and then . means "add the entire current directory" (including hidden files and sub-directories).
Make sure you do -C my_directory before you do . or else you'll get the files in the current directory.
...
animating addClass/removeClass with jQuery
...
Can you point out what file to download and include in the .html file so that I can use jQueryUI only for xxxClass animation tweening this way?
– sodiumnitrate
Aug 21 '13 at 19:49
...
'innerText' works in IE, but not in Firefox
...is different from innerText one. Second, and more importantly, textContent includes all of SCRIPT tag contents, whereas innerText doesn't.
Just to make things more entertaining, Opera - besides implementing standard textContent - decided to also add MSHTML's innerText but changed it to act as textC...
Forced naming of parameters in Python
...and the old code would break again (because now every function call has to include the first argument).
It really comes down to what Bryan says.
(...) people might be adding parameters between spacing and collapse (...)
In general, when changing functions, new arguments should always go to ...
Is Task.Result the same as .GetAwaiter.GetResult()?
...wait in the transitive closure of all methods called by the blocking code, including all third- and second-party code. Using ConfigureAwait(false) to avoid deadlock is at best just a hack). ... the better solution is “Don’t block on async code”." - blog.stephencleary.com/2012/07/dont-block-on-...