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“Pretty” Continuous Integration for Python

... Buildbot's waterfall page can be considerably prettified. Here's a nice example http://build.chromium.org/buildbot/waterfall/waterfall share | ...
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Best explanation for languages without null

... that every reference type gets this extra state in its space that is typically undesired. A string variable could be any sequence of characters, or it could be this crazy extra null value that doesn't map into my problem domain. A Triangle object has three Points, which themselves have X and Y va...
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What is an undefined reference/unresolved external symbol error and how do I fix it?

... token is converted into a token. (2.7). The resulting tokens are syntactically and semantically analyzed and translated as a translation unit. [SNIP] Translated translation units and instantiation units are combined as follows: [SNIP] All external entity references are resolved. Library components ...
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Is errno thread-safe?

...t errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ? ...
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Can I install Python windows packages into virtualenvs?

Virtualenv is great: it lets me keep a number of distinct Python installations so that different projects' dependencies aren't all thrown together into a common pile. ...
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MySQL, Check if a column exists in a table with SQL

...pecific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception. ...
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Python memoising/deferred lookup property decorator

...nce, but they're a real bottleneck to calculate that first time and only really accessed for special cases. Hence they can also be cached after they've been retrieved from the database (this therefore fits the definition of memoisation where the input is simply "no input"). ...
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What is the best way to implement nested dictionaries?

I have a data structure which essentially amounts to a nested dictionary. Let's say it looks like this: 21 Answers ...
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How to access and test an internal (non-exports) function in a node.js module?

... This should absolutely be the top answer. It does not require rewriting all existing modules with NODE_ENV specific exports, nor does it involve reading in the module as text. – Adam Yost Jul 22 '15 at 16:00 ...
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How to organize a node app that uses sequelize?

...ike fields, relationships and options. Have a singleton module which loads all those files and setup all the model classes and relationships. Setup your singleton module at the app.js file. Get the model classes from the singleton module do not use require on your model files, load the models from t...