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Test if a variable is set in bash when using “set -o nounset”

The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option? 6 A...
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move_uploaded_file gives “failed to open stream: Permission denied” error

I keep getting this error when trying to configure the upload directory with Apache 2.2 and PHP 5.3 on CentOS. 13 Answers ...
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Illegal string offset Warning PHP

... Please try this way.... I have tested this code.... It works.... $memcachedConfig = array("host" => "127.0.0.1","port" => "11211"); print_r($memcachedConfig['host']); share | ...
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How do CSS triangles work?

... shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle: 20 Answers ...
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leading zeros in rails

... hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00". ...
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How to configure XAMPP to send mail from localhost?

... You can send mail from localhost with sendmail package , sendmail package is inbuild in XAMPP. So if you are using XAMPP then you can easily send mail from localhost. for example you can configure C:\xampp\php\php.ini and c:\xampp\sendmail\sendmail.ini for g...
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How to reference a .css file on a razor view?

... For CSS that are reused among the entire site I define them in the <head> section of the _Layout: <head> <link href="@Url.Content("~/Styles/main.css")" rel="stylesheet" type="text/css" /> @RenderSection("Styles", false) </head> and ...
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How to check if a DateTime occurs today?

...follow | edited Jan 16 '14 at 16:13 Peter Bridger 8,0831414 gold badges5252 silver badges8787 bronze badges ...
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SQL keys, MUL vs PRI vs UNI

... It means that the field is (part of) a non-unique index. You can issue show create table <table>; To see more information about the table structure. ...
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How to store arrays in MySQL?

...on ( `id` INT NOT NULL PRIMARY KEY, `name` VARCHAR(50) ); CREATE TABLE fruits ( `fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY, `color` VARCHAR(20), `price` INT ); CREATE TABLE person_fruit ( `person_id` INT NOT NULL, `fruit_name` VARCHAR(20) NOT NULL, PRIMARY KEY(`person_id`, `fruit_name`) ); Th...