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How to check that an object is empty in PHP?
...empty"; // JSON: {}
}
else
{
echo "Object has properties";
}
Source: http://php.net/manual/en/language.oop5.object-comparison.php
Edit: added example
$one = new stdClass();
$two = (object)array();
var_dump($one == new stdClass()); // TRUE
var_dump($two == new stdClass()); // TRUE
var_dump($...
Correct way to use StringBuilder in SQL
...nd(" where ").append(column).append(" = ").append(value);
}
More info at http://docs.oracle.com/javase/tutorial/java/data/buffers.html
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Preloading CSS Images
...pg); // load images
}
Demo
it's better to use a sprite image to reduce http requests...(if there are many relatively small sized images) and make sure the images are hosted where HTTP2 is used.
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How to Validate a DateTime in C#?
...
I would use the DateTime.TryParse() method: http://msdn.microsoft.com/en-us/library/system.datetime.tryparse.aspx
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How to match “any character” in regular expression?
The following should be matched:
11 Answers
11
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Change MySQL default character set to UTF-8 in my.cnf?
...ed instead of Latin1. Obviously.
# NOTE "utf8" in MySQL is NOT full UTF-8: http://mathiasbynens.be/notes/mysql-utf8mb4
[client]
default-character-set = utf8mb4
[mysqld]
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
[mysql]
default-character-set = utf8mb4
New Settings
mys...
Auto detect mobile browser (via user-agent?) [closed]
... a month, whatever suits your case), like
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (OneMobileUserAgent|AnotherMobileUserAgent|...)
RewriteRule (.*) mobile/$1
which would move, for example, requests to http://domain/index.html to http://domain/mobile/index.html
If you don't like the appr...
Verify version of rabbitmq
... checkVersion.py dev.rabbitmq.com
information Licensed under the MPL. See http://www.rabbitmq.com/
product RabbitMQ
copyright Copyright (C) 2007-2011 VMware, Inc.
capabilities {}
platform Erlang/OTP
version 2.6.0
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Synchronously waiting for an async operation, and why does Wait() freeze the program here
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Delete duplicate rows from small table
I have a table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with exactly the same values.
...