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Named routes _path vs _url
...d things like the copy and paste URL field under a YouTube video's "Share" section.)
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How do I see all foreign keys to a table or column?
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Those queries run much faster (from 2 secs to 0.0015 secs) if you specify k.TABLE_SCHEMA = DATABASE() and k.TABLE_NAME = '<table>' on the WHERE clause, as documented here dev.mysql.com/doc/refman/5.5/en/…
– guigouz
J...
Are Duplicate HTTP Response Headers acceptable?
...he-control is documented here: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 like this:
Cache-Control = "Cache-Control" ":" 1#cache-directive
The #1cache-directive syntax defines a list of at least one cache-directive elements (see here for the formal definition of #values: Not...
Heroku free account limited?
...width is 2TB/month (soft): policy.heroku.com/aup More: Request Length: 30 seconds - Hard, Dyno RAM usage: 512MB - Hard
– K Z
Apr 15 '12 at 5:10
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In .NET, which loop runs faster, 'for' or 'foreach'?
... sw.Stop();
Console.WriteLine("For loop: {0}", sw.ElapsedMilliseconds);
sw = Stopwatch.StartNew();
for (int i=0; i < Iterations; i++)
{
double sum = 0;
foreach (double d in data)
{
sum += d;
}
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Why is the Windows cmd.exe limited to 80 characters wide?
... (default rate 20, default delay 1)
Rate can be 1..32 for 2..30 char/sec, delay can be 1..4 for 1/4..4/4 sec.
For the same reasons as with the ASM code I provided, unless you execute it in COMMAND.COM with DOSONLY added to your CONFIG.NT file, the window will immediately rebound to its previ...
generate days from date range
...t here, the performance is surprisingly good: the above query takes 0.0009 sec.
If we extend the subquery to generate approx. 100,000 numbers (and thus about 274 years worth of dates), it runs in 0.0458 sec.
Incidentally, this is a very portable technique that works with most databases with minor ...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...n Unix-like systems using chroot(1), although that is not quite as easy or secure. Linux Containers and FreeBSD jails are a better alternative to chroot. Another alternative on Linux is to use a security framework like SELinux or AppArmor, which is what I would propose for production systems.
We wo...
What's the difference between Cache-Control: max-age=0 and no-cache?
...tale, or max-age.
courtesy: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4
Don't accept this as answer - I will have to read it to understand the true usage of it :)
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How to parse unix timestamp to time.Time
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@Atmocreations: func Unix(sec int64, nsec int64) Time receives int64 values. Also, negative numbers for sec makes perfect sense - they describe dates prior to 1970! :) As for nsec, negative values means to remove that many nanoseconds from the seconds...