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Signed to unsigned conversion in C - is it always safe?
... need to subtract the given number from max value (256 in case of unsigned char)? For example: 140 when converted to signed number becomes -116. But 20 becomes 20 itself. So any easy trick here?
– Jon Wheelock
Oct 18 '15 at 14:01
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What is the X-REQUEST-ID http header?
...empotent message
processing in case of a retry
If you make it a random string, unique per request, it won't infringe on your privacy, nor enable tracking.
If you want to know more of what idempotency has to offer, read this insightful article.
N.B. As Stefan Kögl comments, this header is not ...
How do you include additional files using VS2010 web deployment packages?
...try about this at Web Deployment Tool (MSDeploy) : Build Package including extra files or excluding specific files.
Here is the synopsis. After including files, I show how to exclude files as well.
Including Extra Files
Including extra files into the package is a bit harder but still no bigee if ...
What is the difference between decodeURIComponent and decodeURI?
...back to the difference between the decode functions, each function decodes strings generated by its corresponding encode counterpart taking care of the semantics of the special characters and their handling.
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How do I get the color from a hexadecimal color code using .NET?
...sing System.Windows.Media;
Color color = (Color)ColorConverter.ConvertFromString("#FFDFD991");
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Rails: select unique values from a column
..."models"."rating" FROM "models"
This has the advantages of not using sql strings and not instantiating models
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Convert array of integers to comma-separated string
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var result = string.Join(",", arr);
This uses the following overload of string.Join:
public static string Join<T>(string separator, IEnumerable<T> values);
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LEN function not including trailing spaces in SQL Server
....aspx, which states LEN "returns the number of characters of the specified string expression, excluding trailing blanks". It is, however, an easy detail on to miss if you're not wary.
You need to instead use the DATALENGTH function - see http://msdn.microsoft.com/en-us/library/ms173486(SQL.90).asp...
replace String with another in java
What function can replace a string with another string?
6 Answers
6
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Flatten an irregular list of lists
... if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub
else:
yield el
I used the Iterable ABC added in 2.6.
Python 3
In Python 3, the basestring is no more, but you can use a tuple of s...