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Images can't contain alpha channels or transparencies

...rt to PNG without alpha in Preview. Simply open your image, choose export, select PNG, uncheck Alpha, and click Save. Preview also support batch export if you open all your images at once. – Russell Ladd Jan 7 '15 at 6:23 ...
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Set up DNS based URL forwarding in Amazon Route53 [closed]

...r this guide, I'll use the name "url-redirect-example.vivekmchawla.com". Select whatever region works best for you. If you don't know, keep the default. Don't worry about setting up logging. Just click the "Create" button when you're ready. Step 3: Enable Static Website Hosting and Specify...
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Get the new record primary key ID from MySQL insert query?

... Eg: INSERT INTO table_name (col1, col2,...) VALUES ('val1', 'val2'...); SELECT LAST_INSERT_ID(); This will get you back the PRIMARY KEY value of the last row that you inserted: The ID that was generated is maintained in the server on a per-connection basis. This means that the value returne...
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Changing case in Vim

Is there a command in Vim that changes the case of the selected text? 2 Answers 2 ...
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Making macOS Installer Packages which are Developer ID ready

...gbuild persisting obsolescence Known Issues and Workarounds Destination Select Pane The user is presented with the destination select option with only a single choice - "Install for all users of this computer". The option appears visually selected, but the user needs to click on it in order to p...
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What is a Proxy in Doctrine 2?

...protected $lastname; // bunch of setters/getters here } DQL query: SELECT u.id, u.username FROM Entity\User u WHERE u.id = :id As you can see this query doesn't return firstname and lastname properties, therefore you cannot create User object. Creation of incomplete entity could lead to un...
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Setting the selected value on a Django forms.ChoiceField

...t hand, but this Q/A comes up for searches related to trying to assign the selected value to a ChoiceField. If you have already called super().__init__ in your Form class, you should update the form.initial dictionary, not the field.initial property. If you study form.initial (e.g. print self.init...
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PostgreSQL delete with inner join

...ctprice WHERE m_pricelist_version_id='1000020' AND m_product_id IN (SELECT m_product_id FROM m_product WHERE upc = '7094'); share | improve t...
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How do I drop a function if it already exists?

... IF EXISTS ( SELECT * FROM sysobjects WHERE id = object_id(N'function_name') AND xtype IN (N'FN', N'IF', N'TF') ) DROP FUNCTION function_name GO If you want to avoid the sys* tables, you could instead do (from here in example A...
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What is the correct way to restore a deleted file from SVN?

...go to TortoiseSVN -> Merge... Make sure "Merge a range of revisions" is selected, click Next In the "Revision range to merge" textbox, specify the revision that removed the file Check the "Reverse merge" checkbox, click Next Click Merge That is completely untested, however. Edited by OP: Thi...