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LEN function not including trailing spaces in SQL Server
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Starting from SQL server 2012, unicode columns with version 100 collations now supports surrogate pairs. This means a single character may use up to 4 bytes, causing the divide by two trick to fail. See msdn.
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Why are two different concepts both called “heap”?
...op - Checking Cormen, Leiserson, Rivest, Stein - 3rd edition (2009) at the start of Heapsort chapter it only says 'The term "heap" was originally coined in the context of heapsort, but it has since come to refer to "garbage-collected storage," such as the programming languages Java and Lisp provide....
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
...send on each request.
This model binder will be registered in Application_Start:
ModelBinders.Binders.Add(typeof(IStepViewModel), new StepViewModelBinder());
The last missing bit of the puzzle are the views. Here's the main ~/Views/Wizard/Index.cshtml view:
@using Microsoft.Web.Mvc
@model Wizar...
What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...ic" http://www.cs.cmu.edu/~fp/papers/mscs00.pdf - this is a great place to start because it starts from first principles and much of it is aimed to be accessible to non-logicians/language theorists. (I'm the second author though, so I'm biased.)
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Regexp Java for password validation
...-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at least once
(?=.*[A-Z]) # an upper case letter must occur at least once
(?=.*[@#$%^&+=]) # a...
Disable IPython Exit Confirmation
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just type Exit, with capital E.
Alternatively, start IPython with:
$ ipython -noconfirm_exit
Or for newer versions of IPython:
$ ipython --no-confirm-exit
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What is a typedef enum in Objective-C?
... specific values were specified, they get assigned to consecutive integers starting with 0, so kCircle is 0, kRectangle is 1, and kOblateSpheroid is 2.
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Excluding files/directories from Gulp task
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On minimatch documentation, they point out the following:
if the pattern starts with a ! character, then it is negated.
And that is why using ! symbol will exclude files / directories from a gulp task
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how to change default python version?
...ut perhaps you could do alias py=python3
If you are confused about how to start the latest version of python, it is at least the case on Linux that python3 leaves your python2 installation intact (due to the above compatibility reasons); thus you can start python3 with the python3 command.
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Copy the entire contents of a directory in C#
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Try this:
Process proc = new Process();
proc.StartInfo.UseShellExecute = true;
proc.StartInfo.FileName = Path.Combine(Environment.SystemDirectory, "xcopy.exe");
proc.StartInfo.Arguments = @"C:\source C:\destination /E /I";
proc.Start();
Your xcopy arguments may vary b...