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How to print (using cout) a number in binary form?
... following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
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How do you set the startup page for debugging in an ASP.NET MVC application?
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Go to your project's properties and set the start page property.
Go to the project's Properties
Go to the Web tab
Select the Specific Page radio button
Type in the desired url in the Specific Page text box
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How do I sort a vector of pairs based on the second element of the pair?
If I have a vector of pairs:
7 Answers
7
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Redis: possible to expire an element in an array or sorted set?
Is it currently only possible to expire an entire key/value pair? What if I want to add values to a List type structure and have them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually?
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Capturing TAB key in text box [closed]
I would like to be able to use the Tab key within a text box to tab over four spaces. The way it is now, the Tab key jumps my cursor to the next input.
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How to create has_and_belongs_to_many associations in Factory girl
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Here is the solution that works for me.
FactoryGirl.define do
factory :company do
#company attributes
end
factory :user do
companies {[FactoryGirl.create(:company)]}
#user attributes
end
end
if you will need specific company you can use factory ...
What good are SQL Server schemas?
I'm no beginner to using SQL databases, and in particular SQL Server. However, I've been primarily a SQL 2000 guy and I've always been confused by schemas in 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment?
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Using Java to find substring of a bigger string using Regular Expression
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You should be able to use non-greedy quantifiers, specifically *?. You're going to probably want the following:
Pattern MY_PATTERN = Pattern.compile("\\[(.*?)\\]");
This will give you a pattern that will match your string and put the text w...
Show which git tag you are on?
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@Jakub - Thanks. I added --exact-match to my answer seconds before your comment. Nice to know that you can remove it and still get good info from fuzzier input.
– bstpierre
Aug 4 '10 at 12:09
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How can I profile Python code line-by-line?
I've been using cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
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