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Delete first character of a string in Javascript
... shows "oobar"
To remove all 0's at the start of the string:
var s = "0000test";
while(s.charAt(0) === '0')
{
s = s.substring(1);
}
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How to deploy correctly when using Composer's develop / production switch?
...n theory) very handy for scripts that only make sense in development, like tests, fake-data-tools, debugger, etc.
5 Answers...
Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
...ring to something like:
connectionString="Server=.\SQLExpress;Database=IFItest;User ID=xyz;pwd=top$secret"
If you have a user "xyz" with a password of "top$secret" in your database.
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Cross-browser testing: All major browsers on ONE machine
...
Contents
Which browsers have to be tested?
Rules of thumb: Which browsers should be included?
Preparation
Windows XP
Windows 7+ (for IE9+)
Browser downloads
Internet Explorer
Firefox
Opera
Chrome
Safari
Adobe Flash Pl...
Package structure for a Java project?
... you have a choice. It's a well-thought out structure that has been battle-tested, and is familiar to many developers.
– Dov Wasserman
Oct 17 '08 at 4:46
15
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Which timestamp type should I choose in a PostgreSQL database?
... NULL DEFAULT NOW(),
CHECK(EXTRACT(TIMEZONE FROM my_timestamp) = '0')
);
test=> SET timezone = 'America/Los_Angeles';
SET
test=> INSERT INTO my_tbl (my_timestamp) VALUES (NOW());
ERROR: new row for relation "my_tbl" violates check constraint "my_tbl_my_timestamp_check"
test=> SET timezon...
Performance of foreach, array_map with lambda and array_map with static function
...osure was caused by the closure possibly being evaluated each time, I also tested like this:
function useMapClosure($numbers) {
$closure = function($number) {
return $number * 10;
};
return array_map($closure, $numbers);
}
But the results are identical, confirming that the closure is ...
Test a weekly cron job [closed]
...er the script will actually work when run from cron. Use the excellent crontest script in one of the other answers to this question.
– andynormancx
Apr 24 '16 at 14:38
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How do I trim leading/trailing whitespace in a standard way?
...endp++ = *frontp++; }
*endp = '\0';
}
return str;
}
Test for correctness:
#include <stdio.h>
#include <string.h>
#include <ctype.h>
/* Paste function from above here. */
int main()
{
/* The test prints the following:
[nothing to trim] -> [nothin...
Flattening a shallow list in Python [duplicate]
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An explicit loop that uses .extend method is the fastest solution according to this benchmark
– jfs
Apr 30 '14 at 2:02
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