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How to create a unique index on a NULL column?

...rt this. I have SSMS 10.50.1617 and in the Index Properties dialog you can select the Filter page to edit the filter. e.g. "([Column1] IS NOT NULL)" – Phil Haselden Aug 9 '11 at 5:27 ...
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action

...exactly the situation we are in here. Moving on: A single method M is selected corresponding to a method invocation of the form E(A) [...] The argument list A is a list of expressions, each classified as a variable [...] of the corresponding parameter in the formal-parameter-list of D. OK. So...
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How do I find files that do not contain a given string pattern?

... -l, --files-with-matches Only the names of files containing selected lines are written share | improve this answer | follow | ...
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AI助手重构版问题记录 - AI 助手 - 清泛IT社区,为创新赋能!

...ValueLabel.Text","value":{"join":[{"dict_lookup":{"key": "temp_C","dict":{"select_item":{"list":{"dict_lookup":{"key": "current_condition","dict":{"get_var": "weatherData"},"default_val":{"list":[]}}},"index": 0}},"default_val": "--"}},"°C"]}},{"set_prop": "WeatherValueLabel.Text","value":{"dict_lo...
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Facebook development in localhost

...lopers.facebook.com/apps (New 2/15/2012) Click the Website checkbox under 'Select how your application integrates with Facebook' (In the recent Facebook version you can find this under Settings > Basic > Add Platform - Then select website) Set the Site URL field (NOT the App Domains field) to ...
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'npm' is not recognized as internal or external command, operable program or batch file

...ttings-->Control Panel-->Performance and Maintenance-->System). 2.Select the Advanced tab. 3.Click on the Environment Variables button. 4.Click New button under the "User variables" 5.add "Path" and ";C:\Program Files\nodejs\" – Wen Aug 28 '14 at 4:49 ...
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resize ipython notebook output window

...roll extension (part of jupyter_contrib_nbextensions), which allows you to select when the output starts scrolling in a dropdown menu (you can set it to never scroll). The API used is not officially supported though, so this may break at any time. ...
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How to loop through all the properties of a class?

... where c.Name.StartsWith("Doc") select c).ToArray(); foreach (PropertyInfo item in properties) { if (item.PropertyType.FullName == "System.String") item.SetValue(this, "", null); } } I used the code ...
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How do I delete everything in Redis?

...eteDataFromDB(Jedis jedis, String keyPattern, int dbIndex) { jedis.select(dbIndex); Set<String> keys = jedis.keys(keyPattern); for(String key : keys){ jedis.del(key); System.out.println("The key: " + key + " has been deleted from database index: ...
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Where can I find and submit bug reports on Google's Chrome browser?

... From the Google Site Click the Page menu page menu. Select Report a bug or broken website. Choose an issue type from the drop-down menu. The web address of the webpage you're on is recorded automatically. If possible, add key details in the 'Description' field, including steps...