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Sequence contains more than one element
...leOrDefault. This method will only succeed when the collections contains exactly 0 or 1 element. I believe you are looking for FirstOrDefault which will succeed no matter how many elements are in the collection.
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How can I make Visual Studio wrap lines at 80 characters?
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Tools >> Options >> Text Editor >> All Languages >> General >> Select Word Wrap.
I dont know if you can select a specific number of columns?
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Passing arguments to an interactive program non-interactively
...ploys the read command to read arguments to commands interactively, for example yes/no options. Is there a way to call this script in a non-interactive script passing default option values as arguments?
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How to upload, display and save images using node.js and express [closed]
...mit" value="Submit">
</form>
Assuming the form is defined in index.html stored in a directory named public relative to where your script is located, you can serve it this way:
const http = require("http");
const path = require("path");
const fs = require("fs");
const express = require("ex...
Converting a column within pandas dataframe from int to string
I have a dataframe in pandas with mixed int and str data columns. I want to concatenate first the columns within the dataframe. To do that I have to convert an int column to str .
I've tried to do as follows:
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How to iterate over array of objects in Handlebars?
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Then is it possible to call the index number of the outer loop {{#each people}} inside the inner loop {{#each this}} ? Like {{people@index}}
– RegarBoy
May 22 '17 at 7:47
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What are the Ruby Gotchas a newbie should be warned about? [closed]
...age. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For example:
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Calling virtual functions inside constructors
...detail. I suggest reading that (and the rest of the FAQ) for a followup.
Excerpt:
[...] In a constructor, the virtual call mechanism is disabled because overriding from derived classes hasn’t yet happened. Objects are constructed from the base up, “base before derived”.
[...]
Destruction is ...
What is the difference between char array and char pointer in C?
...all cases. This is because arrays decay into pointers, meaning that if an expression of type char[] is provided where one of type char* is expected, the compiler automatically converts the array into a pointer to its first element.
Your example function printSomething expects a pointer, so if you t...
Should import statements always be at the top of a module?
...e __init__.py of a plugin, which might be imported but not actually used. Examples are Bazaar plugins, which use bzrlib's lazy-loading framework.
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