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What are conventions for filenames in Go?
...at begin with "." or "_" are ignored by the go tool
Files with the suffix _test.go are only compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build o...
Reading a file line by line in Go
...ing the case where the line is greater than the reader's buffer size.
I tested the various solutions suggested by writing a program to test the scenarios which are identified as problems in other answers:
A file with a 4MB line.
A file which doesn't end with a line break.
I found that:
The Sca...
PHP PDO: charset, set names?
...all three:
<?php
define('DB_HOST', 'localhost');
define('DB_SCHEMA', 'test');
define('DB_USER', 'test');
define('DB_PASSWORD', 'test');
define('DB_ENCODING', 'utf8');
$dsn = 'mysql:host=' . DB_HOST . ';dbname=' . DB_SCHEMA;
$options = array(
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,...
JavaScript implementation of Gzip [closed]
... I see at least two problems with the code above: 1) try to compress "Test to compress this \u0110\u0111\u0112\u0113\u0114 non ascii characters.", 2) No error is reported if code > 65535.
– some
Nov 17 '08 at 5:40
...
How do I kill all the processes in Mysql “show processlist”?
...store in a variable
Just run in your command prompt
> out1=$(mysql -B test -uroot -proot --disable-column-names -e "select concat('KILL ',id,';') from information_schema.processlist where user='root' and time > 200;")
> out2= $(mysql -B test -uroot -proot --disable-column-names -e "$ou...
How do I modify the URL without reloading the page?
... May not work on file:/// for safety reasons, e.g. Firefox 30. Test on localhost with python -m SimpleHTTPServer.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 9 '14 at 16:05
...
Detecting an “invalid date” Date instance in JavaScript
...
This test would fail in Chrome. For example, Date.parse('AAA-0001') in Chrome gives me a number.
– Nick
Jun 17 '19 at 4:28
...
Check if an element is present in an array [duplicate]
...e().getTime();
for(var i = 0; i < 10000000; i++)
{
if(array.includes("test") === true){ result++; }
}
console.log(new Date().getTime() - start);
~ 1050 ms, indexOf
var array = [0,1,2,3,4,5,6,7,8,9];
var result = 0;
var start = new Date().getTime();
for(var i = 0; i < 10000000; i++)
{
...
Statistics: combinations in Python
...
return int( reduce(mul, (Fraction(n-i, i+1) for i in range(k)), 1) )
Test - printing Pascal's triangle:
>>> for n in range(17):
... print ' '.join('%5d'%nCk(n,k) for k in range(n+1)).center(100)
...
1 ...
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...up identifier and "baz" is some sort of time stamp. In order to keep the latest, you'd do ORDER BY baz desc)
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