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Delete all records in a table of MYSQL in phpMyAdmin

...will delete all the content of the table, not reseting the autoincremental id, this process is very slow. If you want to delete specific records append a where clause at the end. truncate myTable This will reset the table i.e. all the auto incremental fields will be reset. Its a DDL and its very fa...
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Understanding :source option of has_one/has_many through of Rails

...s_to :user end With this code, you can do something like Newsletter.find(id).users to get a list of the newsletter's subscribers. But if you want to be clearer and be able to type Newsletter.find(id).subscribers instead, you must change the Newsletter class to this: class Newsletter has_many :s...
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How to change field name in Django REST Framework

...already exists. One should be able to mention the foreign instance via its id. – stelios Oct 12 '16 at 20:25 ...
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click() event is calling twice in jquery

... Make sure and check that you have not accidentally included your script twice in your HTML page. share | improve this answer | follow ...
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Best way to define private methods for a class in Objective-C

... There isn't, as others have already said, such a thing as a private method in Objective-C. However, starting in Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you can create a category with an empty name (i.e. @interface MyClass ()) called C...
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LINQ - Left Join, Group By, and Count

... from p in context.ParentTable join c in context.ChildTable on p.ParentId equals c.ChildParentId into j1 from j2 in j1.DefaultIfEmpty() group j2 by p.ParentId into grouped select new { ParentId = grouped.Key, Count = grouped.Count(t=>t.ChildId != null) } ...
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How to change the color of an svg element?

...{ display: none; } .no-svg .my-svg-alternate { display: block; width: 100px; height: 100px; background-image: url(image.png); } <svg width="96px" height="96px" viewBox="0 0 512 512" enable-background="new 0 0 512 512" xml:space="preserve"> <path id="time-3-icon" d="M256,...
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Find the number of columns in a table

... please give me the query once again.. table name = post columns = PostingID, PostingDate, Body – praveenjayapal Mar 19 '09 at 16:53 2 ...
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Selecting a row in DataGridView programmatically

How can I select a particular range of rows in a DataGridView programmatically at runtime? 8 Answers ...
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How do I add an icon to a mingw-gcc compiled executable?

... to create a RC file with the below content. Here we'll name it as my.rc. id ICON "path/to/my.ico" The id mentioned in the above command can be pretty much anything. It doesn't matter unless you want to refer to it in your code. Then run windres as follows: windres my.rc -O coff -o my.res Then...