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When to use DataContract and DataMember attributes?
...1, you don't have to add data contract or data member attributes anymore - if you don't then the data contract serializer will serialize all public properties on your class, just like the XML serializer would.
HOWEVER: by not adding those attributes, you lose a lot of useful capabilities:
without...
Remove items from one list in another
...eOtherList().Except(GetTheList()).ToList();
Note that Except does not modify either list - it creates a new list with the result.
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Integer.toString(int i) vs String.valueOf(int i)
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Just two different ways of doing the same thing. It may be a historical reason (can't remember if one came before the other).
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Remove Primary Key in MySQL
...property before dropping the key:
ALTER TABLE user_customer_permission MODIFY id INT NOT NULL;
ALTER TABLE user_customer_permission DROP PRIMARY KEY;
Note that you have a composite PRIMARY KEY which covers all three columns and id is not guaranteed to be unique.
If it happens to be unique, you c...
Why does cURL return error “(23) Failed writing body”?
...ill reappear.You could use -s to silence all error messages (and progress) if you don't need them.
– Kaworu
Jun 13 '16 at 10:37
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Find directory name with wildcard or similar to “like”
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How to filter logcat in Android Studio?
...laying No Filters by default, and choose Edit Filter Configuration and specifying what to filter on. Using this method you also save the filters and can re-use them by selecting them in the dropdown.
Screenshot:
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What is the difference between a “function” and a “procedure”?
...ogramming languages, even functions can have a set of commands. Hence the difference is only in the returning a value part.
But if you like to keep a function clean, (just look at functional languages), you need to make sure a function does not have a side effect.
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How to translate between Windows and IANA time zones?
As described in the timezone tag wiki , there are two different styles of time zones.
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XPath - Selecting elements that equal a value
In Xpath, I am wanting to select elements that equal a specific value.
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