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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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What's valid and what's not in a URI query?

...t are delimited by characters in the "reserved" set. These characters are called "reserved" because they may (or may not) be defined as delimiters by the generic syntax, by each scheme-specific syntax, or by the implementation-specific syntax of a URI's dereferencing algorithm. If data for a URI com...
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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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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...
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View contents of database file in Android Studio

...w these steps (for actual device, scroll to the bottom): Download and install SQLiteBrowser. Copy the database from the device to your PC: Android Studio versions < 3.0: Open DDMS via Tools > Android > Android Device Monitor Click on your device on the left. You should see your applica...
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HTTP GET with request body

...body with a GET request. Yes. In other words, any HTTP request message is allowed to contain a message body, and thus must parse messages with that in mind. Server semantics for GET, however, are restricted such that a body, if any, has no semantic meaning to the request. The requirements on parsin...
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How do I trap ctrl-c (SIGINT) in a C# console app

... Actually, that article recommends P/Invoke, and CancelKeyPress is mentioned only briefly in the comments. A good article is codeneverwritten.com/2006/10/… – bzlm Aug 21 '10 at 7:55 ...
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Scala @ operator

...n itself? That would be accomplished with this: o match { case x @ Some(_) => println(x) case None => } Note that @ can be used at any level, not just at the top level of the matching. share | ...
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What is the performance cost of having a virtual method in a C++ class?

...3ghz in-order PowerPC processor. On that architecture, a virtual function call costs 7 nanoseconds longer than a direct (non-virtual) function call. So, not really worth worrying about the cost unless the function is something like a trivial Get()/Set() accessor, in which anything other than inli...