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List of foreign keys and the tables they reference

...key is described in the columns r_owner and r_constraint_name of the table ALL_CONSTRAINTS. This will give you the info you want: SELECT a.table_name, a.column_name, a.constraint_name, c.owner, -- referenced pk c.r_owner, c_pk.table_name r_table_name, c_pk.constraint_name r_pk FROM...
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Print multiple arguments in Python

...or", name, "is", score) If you don't want spaces to be inserted automatically by print in the above example, change the sep parameter: print("Total score for ", name, " is ", score, sep='') If you're using Python 2, won't be able to use the last two because print isn't a function in Python 2. Y...
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How can I trim leading and trailing white space?

...alization, but I wonder. I've never seen a comparison of results of native vs stringr/stringi or any benchmarks. – Jack Wasey Jan 30 '16 at 17:31 ...
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jQuery Ajax POST example with PHP

...me local variables var $form = $(this); // Let's select and cache all the fields var $inputs = $form.find("input, select, button, textarea"); // Serialize the data in the form var serializedData = $form.serialize(); // Let's disable the inputs for the duration of the Ajax ...
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Does C# have extension properties?

....0 have seen this as proposal champion but it wasn't released yet, most of all because even if there is already an implementation, they want to make it right from the start. But it will ... There is an extension members item in the C# 7 work list so it may be supported in the near future. The curr...
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Should composer.lock be committed to version control?

... If you update your libs, you want to commit the lockfile too. It basically states that your project is locked to those specific versions of the libs you are using. If you commit your changes, and someone pulls your code and updates the dependencies, the lockfile should be unmodified. If it is ...
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How to check if AlarmManager already has an alarm set?

...nother issue that was causing my problem. The intent I mentioned above actually does work :) – toc777 Apr 12 '12 at 12:25 42 ...
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How to model type-safe enum types?

...ample above) does not offer exhaustive pattern matching. I have researched all the different enumeration patterns currently being used in Scala and give and overview of them in this StackOverflow answer (including a new pattern which offers the best of both scala.Enumeration and the "sealed trait +...
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Is it good practice to make the constructor throw an exception? [duplicate]

...c to the problem you are reporting, and 3) it is reasonable to expect the caller to deal with a checked exception for this2. However explicitly declaring or throwing java.lang.Exception is almost always bad practice. You should pick an exception class that matches the exceptional condition that h...
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Where can I get a list of Ansible pre-defined variables?

...h0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me? ...