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Image comparison - fast algorithm

...ow. The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains in understandability, it lacks in robustness -- matching fails on scaled, rotated, or discolored images. The third method is bo...
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How to add new column to MYSQL table?

... Thanks, It worked with - mysql_query("ALTER TABLE assessment ADD q6 INT(1) NOT NULL AFTER q5"); – Steven Trainor Apr 19 '13 at 21:33 ...
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Preventing an image from being draggable or selectable without using JS

... Worked on all browsers. – Milad Abooali Aug 21 '15 at 3:16 ...
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Where to learn about VS debugger 'magic names'

...moves, we emit debug info for it anyway into the PDB. We stuck the suffix __Deleted$ onto such variables so that the debugger knows that they were in source code but not represented in the binary. Temporary variable slots allocated by the compiler are given names with the pattern CS$X$Y, where X i...
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How to version control a record in a database

...O table. Happy days. Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key from FOO_HISTORY to FOO. You might also add columns related to the revision such as the UserId and R...
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Is 23,148,855,308,184,500 a magic number, or sheer chance?

...thel, and a teenage girl, Elizabeth Lewis in Owatonna . The thing is that all of them have the exact same charge: $23,148,855,308,184,500.00. If the problem was the space-padding, then how is it that all of them had the exact same $0x1250 ($46.88) charge? Two of them had purchased cigarettes at gas...
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Define global variable in a JavaScript function

... Yes, as the others have said, you can use var at global scope (outside of all functions) to declare a global variable: <script> var yourGlobalVariable; function foo() { // ... } </script> Alternately, you can assign to a property on window: <script> function foo() { wi...
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Xcode 6: Keyboard does not show up in simulator

... 1211 I had the same issue. My solution was as follows: iOS Simulator -> Hardware -> Keyboard...
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What is the difference between re.search and re.match?

... answered Dec 31 '11 at 12:05 Dhanasekaran AnbalaganDhanasekaran Anbalagan 1,83611 gold badge1313 silver badges1212 bronze badges ...
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Can you disable tabs in Bootstrap?

... cursor: not-allowed; is more appropriate in this case. Unless you are actually drag-and-dropping. – Christophe Geers Aug 30 '12 at 8:21 ...