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Warning - Build path specifies execution environment J2SE-1.4

... "JRE System Library[J2SE 1.4]" Click Add Library -> JRE System Library Select the new "Execution Environment" or Workspace default JRE share | improve this answer | foll...
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belongs_to through associations

... I'd like to know myself. Everything I tried fired 3 selects. You can specify a "-> { joins :something }" lambda on an association. The join is fired but subsequently another select anyway. I wasn't able to tune this up. – Renra Oct 21 ...
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Create objective-c class instance by name?

... id object = [[NSClassFromString(@"NameofClass") alloc] init]; share | improve this answer | follow | ...
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What does this gdb output mean?

... SDK 5 / Simulator - happens as soon as the simulator tries to play sound (from a movie or any other sound source). Do not worry though, it won't be a problem on the actual device. You mentioned actual reports of users having trouble using your App - those problems are not related / connected to th...
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Apply style to only first level of td tags

...>tr>td { border: solid 1px red; } But! The ‘>’ direct-child selector does not work in IE6. If you need to support that browser (which you probably do, alas), all you can do is select the inner element separately and un-set the style: .MyClass td { border: solid 1px red; } .MyClass td...
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How can I prevent SQL injection in PHP?

... Using PDO (for any supported database driver): $stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name'); $stmt->execute([ 'name' => $name ]); foreach ($stmt as $row) { // Do something with $row } Using MySQLi (for MySQL): $stmt = $dbConnection->prepare('SELECT * FROM...
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Is it possible to update a localized storyboard's strings?

...r Cocoa Touch Storyboard] file type or a [Localizable Strings] file type. Select your base storyboard file from the Project Navigator Find the Localization section in the File Inspector If your file is currently a [Localizable Strings], change it to [Interface Builder Cocoa Touch Storyboard] or vic...
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Default value of BOOL

...OL … @implementation MyClass … @synthesize isLandscape; - (void)awakeFromNib { [super awakeFromNib]; // Test for YES or NO if (isLandscape == YES) { ALog(@"isLandscape == YES"); } else if (isLandscape == NO) { ALog(@"isLandscape == NO"); } else { ALo...
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How do I perform the SQL Join equivalent in MongoDB?

...background as well, I would appreciate MongoDB taking a 'result set' (with selected returned fields) as input for a new query in one go, much like nested queries in SQL – Stijn Sanders Nov 26 '10 at 23:17 ...
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mysql query order by multiple items

... SELECT some_cols FROM prefix_users WHERE (some conditions) ORDER BY pic_set DESC, last_activity; share | improve this answ...