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Initialization of all elements of an array to one default value in C++?
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Using the syntax that you used,
int array[100] = {-1};
says "set the first element to -1 and the rest to 0" since all omitted elements are set to 0.
In C++, to set them all to -1, you can use something like std::fill_n (from <algorithm>):
std::fill_n(array, 100, -1);
In porta...
Vim Insert Mode on Mac OS X
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Reload django object from database
... @Yunti You can defer fields, or explicitly ask for only a subset of fields and the resulting object will be only partially populated. refresh_from_db will only update such already populated fields.
– 301_Moved_Permanently
Jan 16 '19 at 16:37
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Remove a character from the end of a variable
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Different bash prompt for different vi editing mode?
When using vi mode (set -o vi) with Bash, it would be nice to have a prompt that depends on the mode you are currently in (insert or command). How does one find out this editing mode?
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SQL select only rows with max value on a column [duplicate]
I have this table for documents (simplified version here):
27 Answers
27
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Generate full SQL script from EF 5 Code First Migrations
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Oracle JDBC ojdbc6 Jar as a Maven Dependency
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Ultimately that's what we did. We set up a repository here, and all of our projects now use it. I think it's useful to know how to do both, however.
– Marvo
Nov 7 '12 at 23:31
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How to find out which fonts are referenced and which are embedded in a PDF document
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What is the difference between .*? and .* regular expressions?
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