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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...re are rare exceptions where the old lags come back. They might however be based on other reasons.
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
...is:
This shows the result of benchmark runs on the following code:
uint64_t do_Ndec(int thread, int loop_count)
{
uint64_t start;
uint64_t end;
int __d0;
asm volatile ("rdtsc\n\tshl $32, %%rdx\n\tor %%rdx, %0" : "=a" (start) : : "%rdx");
mutex.lock();
mutex.unlock();
asm volatile ...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
...ot folder and paste this
RewriteEngine On
Options FollowSymLinks
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /#/$1 [L]
More interesting stuff to read about html5 mode in angularjs and the configuration required per different environm...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...is, run brew services start mysql. By default, brew installs the MySQL database without a root password. To secure it run: mysql_secure_installation.
To connect run: mysql -uroot. root is the username name here.
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What is :: (double colon) in Python when subscripting sequences?
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164
Python sequence slice addresses can be written as a[start:end:step] and any of start, stop or e...
Where can I get a list of Ansible pre-defined variables?
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"sectors": "497664",
"sectorsize": 512,
"...
How to stop a goroutine
...o create channel in this example.
channel
context. In the example I will demo context.WithCancel
The first demo, use channel:
package main
import "fmt"
import "time"
func do_stuff() int {
return 1
}
func main() {
ch := make(chan int, 100)
done := make(chan struct{})
go func(...
How do I convert seconds to hours, minutes and seconds?
...8) - timedelta(hours=10)) the result is '-1 day, 22:00:00' and the integer based solution is exactly for those situations where you need '-02:00:00'.
– cprn
Sep 21 '17 at 17:02
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Passing arrays as url parameter
...
I do this with serialized data base64 encoded. Best and smallest way, i guess. urlencode is to much wasting space and you have only 4k.
why: http://mizine.de/html/array-ueber-get-url-parameter-uebergeben/
how: https://gist.github.com/vdite/79919fa33a3e4f...
How to properly seed random number generator
...ree that this matters to you will vary but you can avoid pitfalls of clock based seed values by simply using the crypto/rand.Read as source for your seed. It will give you that non-deterministic quality that you are probably looking for in your random numbers (even if the actual implementation itsel...