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How to check if a Constraint exists in Sql server?
... queries for that:
--Returns one row for each CHECK, UNIQUE, PRIMARY KEY, and/or FOREIGN KEY
SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each FOREIGN KEY constrain
SELECT *
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
...
Difference between two dates in MySQL
...te the difference between two dates, in the format YYYY-MM-DD hh: mm: ss and to get the result in seconds or milliseconds?
...
Write string to text file and ensure it always overwrites the existing content.
I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception.
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What does a script-Tag with src AND content mean?
...the src script, regardless of success. Since this behaviour is unreliable (and prohibited in HTML5), it should be avoided.
Google isn't relying an any specific behaviour. Since the content is just an object literal (a value), executing it would not actually do anything except cause a silent error. ...
Best documentation for Boost:asio?
...
First, I've been using Boost.Asio for quite a while already -- and I share your concern. To address your question:
There really is very scarce documentation about Boost.Asio aside from the introduction and tutorial. I am not the author, but this is mostly because there are just too man...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
I know, there are many different questions and so many answers about this problem... But I can't understand...
18 Answers
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Android: TextView automatically truncate and replace last 3 char of String
...idth it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm not using a monospace font this will always be...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
NavigationControllers have ViewController stacks to manage, and limited animation transitions.
6 Answers
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Create a completed Task
I'm implementing a method Task<Result> StartSomeTask() and happen to know the result already before the method is called. How do I create a Task<T> that has already completed?
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What's the meaning of * (asterisk) in XAML ColumnDefinition?
...efinitions>
The first column will get 7% of the total space available and the second column would get 93%. On the other hand if you had this definition:
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0.07*"/>
<ColumnDefinition Width="0.14*"/>
</Grid.ColumnDefinition...
