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SQL- Ignore case while searching for a string

... Use something like this - SELECT DISTINCT COL_NAME FROM myTable WHERE UPPER(COL_NAME) LIKE UPPER('%PriceOrder%') or SELECT DISTINCT COL_NAME FROM myTable WHERE LOWER(COL_NAME) LIKE LOWER('%PriceOrder%') ...
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Are there strongly-typed collections in Objective-C?

...hich means that the runtime doesn't care about the type of an object since all objects can receive messages. When you add an object to a built-in collection, they are just treated as if they were type id. But don't worry, just send messages to those objects like normal; it will work fine (unless of ...
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Parse query string into an array

... Technically PHP would also treat ?key=lorem&key=ipsum as if you only provided key=ipsum if that were the query string on the URL. And I think it's considered invalid to reuse the key and expect consistent results or that all ins...
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Using a dispatch_once singleton model in Swift

...variables), and is thread safe by the definition of let. This is now officially recommended way to instantiate a singleton. Class constants were introduced in Swift 1.2. If you need to support an earlier version of Swift, use the nested struct approach below or a global constant. Nested struct cl...
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How do I declare an array of weak references in Swift?

...T] { return objects.flatMap { $0.object } } func contains(_ object: T) -> Bool { return self.objects.contains(WeakObject(object: object)) } func addObject(_ object: T) { self.objects.formUnion([WeakObject(object: object)]) } func addObjects(_ obj...
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New self vs. new static

...the first method, whereas static is bound to the called class (also see get_called_class()). class A { public static function get_self() { return new self(); } public static function get_static() { return new static(); } } class B extends A {} echo get_class(B::ge...
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Remove border radius from Select tag in bootstrap 3

... Here is a version that works in all modern browsers. The key is using appearance:none which removes the default formatting. Since all of the formatting is gone, you have to add back in the arrow that visually differentiates the select from the input. Note: ...
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Python: Find in list

...e which suffers from inaccuracy. As for your second question: There's actually several possible ways if "finding" things in lists. Checking if something is inside This is the use case you describe: Checking whether something is inside a list or not. As you know, you can use the in operator for th...
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How to find and return a duplicate value in array

...ou're writing this code for some huge scaling data (and if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space,...
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How to change a table name using an SQL query?

... Use sp_rename: EXEC sp_rename 'Stu_Table', 'Stu_Table_10' You can find documentation on this procedure on MSDN. If you need to include a schema name, this can only be included in the first parameter (that is, this cannot be use...