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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?

... your compiled code. As an example, consider if you tried to use DateTime.Now instead. The value of DateTime.Now changes every time it's executed. Or suppose that TimeSpan.FromSeconds took into account gravity. It's an absurd example but the rules of compile-time constants don't make special cases ...
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?

...stion in the subject, instead of the one in the posting. What he wants to know is how to easily get rid of the whitespace that was at the point where the line was broken but no longer serves a purpose. – Aristotle Pagaltzis Oct 26 '08 at 3:27 ...
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NPM global install “cannot find module”

...hy this has made them incapable of finding installed modules. The fix for now is to point NODE_PATH at the right directory: export NODE_PATH=/opt/lib/node_modules My require('promised-io/promise') now succeeds. share ...
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Constant Amortized Time

... up in a room. And, you have long hands and legs, as much long as you need now or in future. And, you have to fill all in one room, so it is easy to lock it. So, you go right to the end/ corner of the room and start stacking them. As you stack them, slowly the room will run out of space. However, a...
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How do I automatically update a timestamp in PostgreSQL

...update_modified_column() RETURNS TRIGGER AS $$ BEGIN NEW.modified = now(); RETURN NEW; END; $$ language 'plpgsql'; Apply the trigger like this: CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column(); ...
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Is .NET/Mono or Java the better choice for cross-platform development? [closed]

... hold this opinion in 2014. However, I'll qualify this by saying I'm just now starting to pay some attention to Mono after a long while of not really caring, so there may be improvements in the Mono runtime (or ecosystem) that I haven't been made aware of. AFAIK, there is still no support for WPF, ...
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How to keep a git branch in sync with master

.... That was written by the Git maintainer, so it's probably fair to say he knows what he's talking about with regard to this particular topic. – Dan Moulding Mar 12 '14 at 23:44 2 ...
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WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server

... The Put Online option is now unavailable. To enable it, Right click on the Wamp Icon > Wamp settings > Check on the Menu item: Online/Offline, when you now left click on the icon, the 'Put Online' option will be available –...
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What's the $unwind operator in MongoDB?

...s.funded_year" } } ]) If we look at the funding_rounds array, we know that for each funding_rounds, there is a raised_amount and a funded_year field. So, unwind will for each one of the documents that are elements of the funding_rounds array produce an output document. Now, in this example,...
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What does the construct x = x || y mean?

...hy; otherwise you'd get "Neither x nor y is truthy". The actual question Now, when you know how || operator works, you can probably make out by yourself what does x = x || y mean. If x is truthy, x is assigned to x, so actually nothing happens; otherwise y is assigned to x. It is commonly used to ...