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Wait until file is unlocked in .NET

...; /// <param name="fullPath"></param> bool WaitForFile(string fullPath) { int numTries = 0; while (true) { ++numTries; try { // Attempt to open the file exclusively. using (FileStream ...
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What are dictionary view objects?

...termediate list. Let's use examples. I've a dict with 1000 keys of random strings and digits and k is the key I want to look for large_d = { .. 'NBBDC': '0RMLH', 'E01AS': 'UAZIQ', 'G0SSL': '6117Y', 'LYBZ7': 'VC8JQ' .. } >>> len(large_d) 1000 # this is one option; It creates the keys() l...
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Assign pandas dataframe column dtypes

... Be careful if you have a column that needs to be a string but contains at least one value that could be converted to an int. All it takes is one value and the entire field is converted to float64 – Michael David Watson May 5 '15 at 20:13...
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catch all unhandled exceptions in ASP.NET Web Api

...ntext) { Trace.TraceError(context.ExceptionContext.Exception.ToString()); } } Then register with your application's HttpConfiguration, inside a config callback like so: config.Services.Add(typeof(IExceptionLogger), new TraceExceptionLogger()); or directly: GlobalConfiguration.C...
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Convert a Python list with strings all to lowercase or uppercase

I have a python list variable that contains strings. Is there a python function that can convert all the strings in one pass to lowercase and vice versa, uppercase? ...
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Writing files in Node.js

...y flush the content; they don't have any buffering system. If you write a string, it’s converted to a buffer, and then sent to the native layer and written to disk. When writing strings, they're not filling up any buffer. So, if you do: write("a") write("b") write("c") You're doing: fs.writ...
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How to delete duplicate rows in SQL Server?

... I like CTEs and ROW_NUMBER as the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE: WITH CTE AS( SELECT [col1], [col2], [col3], [col4], [col5], [col6]...
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SQL Server: Make all UPPER case to Proper Case/Title Case

... = 1, @i = 1, @Ret = ''; while (@i <= len(@Text)) select @c = substring(@Text, @i, 1), @Ret = @Ret + case when @Reset = 1 then UPPER(@c) else LOWER(@c) end, @Reset = case when @c like '[a-zA-Z]' then 0 else 1 end, @i = @i + 1 return @Ret end You will still have to use...
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Maven is not working in Java 8 when Javadoc tags are incomplete

Since I use Maven I have been able to build and install in my local repository projects that have incomplete Javadoc tags (for example, a missing parameter). ...
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How do I make and use a Queue in Objective-C?

... @end Just import the .h file wherever you want to use your new methods, and call them like you would any other NSMutableArray methods. Good luck and Keep on Coding! share | improve this answer ...