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How to convert a SVG to a PNG with ImageMagick?
...esize x200 for height. See: imagemagick.org/script/command-line-processing.php#geometry for exhaustive ImageMagick geometry options.
– John
Jan 11 '15 at 22:45
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【解决】Linux mysql如何重置root密码？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...密码，如无意外，你应该可以正常登录到数据库中。
php,mysql,root
How to write an inline IF statement in JavaScript?
..., which one depends on the type of operator. Certain other languages, like PHP, carry on the actual result of the operation i.e. true or false, meaning the result is always true or false; e.g:
14 && 0 /// results as 0, not false
14 || 0 /// results as 14, not true
1 &...
Which mime type should I use for mp3
...g to decide which mime type to choose for returning mp3 data (served up by php)
5 Answers
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Send email with PHPMailer - embed image in body
I'm trying to send HTML mail, with PHPMailer, with images.
The body is loaded from a html file, that contains all the info.
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Are HTTP headers case-sensitive?
In a blog post I use the following PHP to set the content-type of a response:
8 Answers
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Go > operators
...y Arithmetic operators and its the same in other languages here is a basic PHP , C , Go Example
GO
package main
import (
"fmt"
)
func main() {
var t , i uint
t , i = 1 , 1
for i = 1 ; i < 10 ; i++ {
fmt.Printf("%d << %d = %d \n", t , i , t<<i)
}
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How to convert a string to lower case in Bash?
...uby`
Or Perl (probably my favorite):
b=`perl -e "print lc('$a');"`
Or PHP:
b=`php -r "print strtolower('$a');"`
Or Awk:
b=`echo "$a" | awk '{ print tolower($1) }'`
Or Sed:
b=`echo "$a" | sed 's/./\L&/g'`
Or Bash 4:
b=${a,,}
Or NodeJS if you have it (and are a bit nuts...):
b=`e...
How can I remove duplicate rows?
...erver LEFT JOIN is less efficient than NOT EXISTS sqlinthewild.co.za/index.php/2010/03/23/… The same site also compares NOT IN vs NOT EXISTS. sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in Out of the 3 I think NOT EXISTS performs best. All three will generate a plan with a self join ...
Can an AJAX response set a cookie?
... on a non http request. Just found out that my ajax request was getting a php session with "secure" set. Because I was not on https it was not sending back the session cookie and my session was getting reset on each ajax request.
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