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Gmail's new image caching is breaking image links in newsletter
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I also had a 403. I figured out that mod_security is blocking the Google proxy...
– Peter
Jan 13 '15 at 8:47
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What is the difference between sites-enabled and sites-available directory?
...multiple sites that have separate configurations.
sites-enabled: like mods-enabled, sites-enabled contains symlinks to
the /etc/apache2/sites-available directory. Similarly when a
configuration file in sites-available is symlinked, the site
configured by it will be active once Apache2 is ...
Function that creates a timestamp in c#
...ork does not transfer the milliseconds. They will always be 0. You have to mod the code and add something like this: int tick = Environment.TickCount % 1000; int ms = (tick >= MOffset) ? (tick - MOffset) : (1000 - (MOffset - tick)); ms = Math.Min(9...
How can I get nth element from a list?
...n = length xs in if ((abs x) > xslen) then Nothing else Just (xs !! (x `mod` xslen)). Note, this will fail catastrophically on an infinite list.
– djvs
May 29 '17 at 6:24
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Can I exclude some concrete urls from inside ?
...RL filter for this like Tuckey's one (which is much similar Apache HTTPD's mod_rewrite), or to add a check in the doFilter() method of the Filter listening on /*.
String path = ((HttpServletRequest) request).getRequestURI();
if (path.startsWith("/specialpath/")) {
chain.doFilter(request, respons...
PHP exec() vs system() vs passthru()
...ome to the situation where I had to do very expensive computations. No PHP-Module were (is) available for that. I wrote my own C program and I invoke it with passthru(). Sometimes portability can be less important than other things. Depends on the project.
– Paolo
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Run PHP Task Asynchronously
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set_time_limit has no effect if php run in safe mode
– Baptiste Pernet
Jul 17 '14 at 22:28
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Obfuscated C Code Contest 2006. Please explain sykes2.c
... i/64 is the line number (6 to 0) and i*2&8 is 8 iff i is 4, 5, 6 or 7 mod 8.
if((i & 2) == 0) shift /= 8; shift = shift % 8 selects either the high octal digit (for i%8 = 0,1,4,5) or the low octal digit (for i%8 = 2,3,6,7) of the table value. The shift table ends up looking like this:
row...
What's the purpose of the LEA instruction?
... valid. LEA ESI, [EBX + 8*EAX + 4] is valid because this is an addressing mode that x86 supports. en.wikipedia.org/wiki/X86#Addressing_modes
– Erik
Jan 7 '12 at 6:07
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Replacing some characters in a string with another character
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Using Bash Parameter Expansion:
orig="AxxBCyyyDEFzzLMN"
mod=${orig//[xyz]/_}
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