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Unknown column in 'field list' error on MySQL Update query

..._user_profile.fellow = 'y' WHERE master_user_profile.user_id IN ( SELECT tran_user_branch.user_id FROM tran_user_branch WHERE tran_user_branch.branch_id = 17); share | improve this a...
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Screenshot Apps for iPhone simulator [closed]

... I use iOS Simulator Cropper, it's the best application, you can even select the screenshot type that you want, if it's for the App Store, Market... share | improve this answer | ...
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Storing time-series data, relational or non?

...evation. Correction It is not "filtering out the un-needed data"; it is selecting only the needed data. Yes, of course, if you have an Index to support the columns identified in the WHERE clause, it is very fast, and the query does not depend on the size of the table (grabbing 1,000 rows from a ...
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if checkbox is checked, do this

...heckbox').click(function(){ var chk = $(this); $('p').toggleClass('selected', chk.attr('checked')); }) in this way your code it's cleaner because you don't have to specify all css properties (let's say you want to add a border, a text style or other...) but you just switch a class ...
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?

...shion. The "best" way to break is by compilation error. For example if you SELECT * somewhere, the addition of a column could fail to compile. The next best way to fail would be a run time error. It's worse because your users may see it, but it still gives you a nice warning that you've broken somet...
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MySQL 'create schema' and 'create database' - Is there any difference

...asn't been allocated to any particular schema, you can do something like: SELECT * FROM your_table which is equivalent to: SELECT * FROM dbo.your_table Now, SQL server allows the creation of different schema, which gives you the possibility of grouping tables that share a similar purpose. That...
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Using current time in UTC as default value in PostgreSQL

...rap it in a function: create function now_utc() returns timestamp as $$ select now() at time zone 'utc'; $$ language sql; create temporary table test( id int, ts timestamp without time zone default now_utc() ); shar...
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Conditional Replace Pandas

...e, df.loc[df.my_channel > 20000, 'my_channel'] = 0 mask helps you to select the rows in which df.my_channel > 20000 is True, while df.loc[mask, column_name] = 0 sets the value 0 to the selected rows where maskholds in the column which name is column_name. Update: In this case, you should u...
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Xcode 4 - build output directory

... are placed somewhere in ~/Library/Developer/ugly_path/... . I can't even select "show in finder" on my products. It is the same for a simple C project, Foundation tool and even Cocoa bundle. A Debugging works fine. ...
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How to style SVG with external CSS?

...pport SVG </object> <script> var svgHolder = document.querySelector('object#dynamic-svg'); svgHolder.onload = function () { var svgDocument = svgHolder.contentDocument; var style = svgDocument.createElementNS("http://www.w3.org/2000/svg", "style"); // Now...