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Run a string as a command within a Bash script

...xamples I have used to better understand how eval works. linuxhint.com/bash_eval_command – student0495 Apr 6 at 11:54 add a comment  |  ...
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MySQL query to get column names?

... The best way is to use the INFORMATION_SCHEMA metadata virtual database. Specifically the INFORMATION_SCHEMA.COLUMNS table... SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA`='yourdatabasename' AND `TABLE_NAME`='yourtablename...
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How do I reset a sequence in Oracle?

...w too. tkyte@TKYTE901.US.ORACLE.COM> create or replace procedure reset_seq( p_seq_name in varchar2 ) is l_val number; begin execute immediate 'select ' || p_seq_name || '.nextval from dual' INTO l_val; execute immediate 'alter sequence ' || p_seq_name || ' increment by -' |...
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What is the difference between pull and clone in git?

...nswered Jan 9 '19 at 14:09 Raman_1059Raman_1059 5111 silver badge33 bronze badges ...
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process.env.NODE_ENV is undefined

... I don't think I missed anything but whenever I call the process.env.NODE_ENV the only value I get back is undefined. According to my research the default value should be 'development'. How is this value dynamically set and where is it set initially? ...
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How to determine MIME type of file in android?

...ring mimeType = null; if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) { ContentResolver cr = getAppContext().getContentResolver(); mimeType = cr.getType(uri); } else { String fileExtension = MimeTypeMap.getFileExtensionFromUrl(uri .toString...
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Returning http status code from Web Api controller

...ice(string id) { ComputingDevice computingDevice = _db.Devices.OfType<ComputingDevice>() .SingleOrDefault(c => c.AssetId == id); if (computingDevice == null) { return this.Request.CreateResponse(HttpStatusCode.NotFound); ...
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Load local JSON file into variable

...nts:queue" }, { "id": "0.79281", "name": " contents:mqq_error" } ] } You also had an extra }. share | improve this answer | follow ...
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How to convert a string from uppercase to lowercase in Bash? [duplicate]

...bad depending on your usecase. tldp.org/LDP/Bash-Beginners-Guide/html/sect_03_04.html Section 3.4.5. – Jeremy Jun 5 '15 at 20:55 ...
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PHP and MySQL - how to avoid password in source code? [duplicate]

...e the below code: // Check if it's been set by the web server if (!empty($_ENV['ENVIRONMENT'])) { // Copy from web server to PHP constant define('ENVIRONMENT', $_ENV['ENVIRONMENT']); } if (!defined('ENVIRONMENT')) { // Default to development define('ENVIRONMENT', 'development'); } ...