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Mercurial error: abort no username supplied

Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did. ...
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How do I deploy Node.js applications as a single executable file? [duplicate]

Supposed I have written a Node.js application, and I now would like to distribute it. Of course, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js . ...
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How to log PostgreSQL queries?

... In your data/postgresql.conf file, change the log_statement setting to 'all'. Edit Looking at your new information, I'd say there may be a few other settings to verify: make sure you have turned on the log_destination variable make sure you tur...
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What blocks Ruby, Python to get Javascript V8 speed? [closed]

Are there any Ruby / Python features that are blocking implementation of optimizations (e.g. inline caching ) V8 engine has? ...
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How to count the number of set bits in a 32-bit integer?

... This is known as the 'Hamming Weight', 'popcount' or 'sideways addition'. The 'best' algorithm really depends on which CPU you are on and what your usage pattern is. Some CPUs have a single built-in instruction to do it and others have parallel instructions which act on bit vectors. The parall...
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How to install therubyracer gem on 10.10 Yosemite?

I don't manage to install therubyracer gem on Yosemite 10.10. 18 Answers 18 ...
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Close iOS Keyboard by touching anywhere using Swift

...ing Objective-C but I have no idea how to do that using Swift ? Does anyone know? 40 Answers ...
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How to create .pfx file from certificate and private key?

I need .pfx file to install https on website on IIS. 15 Answers 15 ...
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How do you install Boost on MacOS?

How do you install Boost on MacOS? Right now I can't find bjam for the Mac. 10 Answers ...
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Convert datetime to Unix timestamp and convert it back in python

... What you missed here is timezones. Presumably you've five hours off UTC, so 2013-09-01T11:00:00 local and 2013-09-01T06:00:00Z are the same time. You need to read the top of the datetime docs, which explain about timezones and "naive" and "aware" objec...