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Passport.js - Error: failed to serialize user into session

...d serializing user information but only id's (for bloat/perf reasons personally). – electblake Jan 22 '16 at 20:03 2 ...
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Trusting all certificates using HttpClient over HTTPS

... problem, I can't seem to find an example anywhere that works for me. Basically, I want my client to accept any certificate (because I'm only ever pointing to one server) but I keep getting a javax.net.ssl.SSLException: Not trusted server certificate exception. ...
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What is mattr_accessor in a Rails module?

I couldn't really find this in Rails documentation but it seems like 'mattr_accessor' is the Module corollary for 'attr_accessor' (getter & setter) in a normal Ruby class . ...
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Sort a list by multiple attributes?

... how, you can wrap your criteria (functions) in parenthesis: s = sorted(my_list, key=lambda i: ( criteria_1(i), criteria_2(i) ), reverse=True) share | improve this answer | ...
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What are best practices for multi-language database design? [closed]

...e language. In some cases we add a DefaultLanguage field, so that we can fall-back to that language if no localized data is available for a specified language. Example: Table "Product": ---------------- ID : int <any other language-neutral fields> Table "ProductTranslation...
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Team Build Error: The Path … is already mapped to workspace

...ity TF - Team Foundation Version Control Tool (tf). You can get a list of all workspaces by bringing up a Visual Studio Command Prompt then changing to your workspace folder and issuing the following commands: C:\YourWorkspaceFolder>tf workspaces /owner:* You should see your problem workspace...
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how do I make a single legend for many subplots with matplotlib?

... multiple subplots with matplotlib. That is, I have 9 plots on a 3x3 grid, all with the same for lines (of course, different values per line). ...
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Get the first element of each tuple in a list in Python [duplicate]

... Use a list comprehension: res_list = [x[0] for x in rows] Below is a demonstration: >>> rows = [(1, 2), (3, 4), (5, 6)] >>> [x[0] for x in rows] [1, 3, 5] >>> Alternately, you could use unpacking instead of x[0]: res_li...
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not None test in Python [duplicate]

...r of the latter two, since val could potentially be of a type that defines __eq__() to return true when passed None. share | improve this answer | follow | ...
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What's the difference between ES6 Map and WeakMap?

...e: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap): Keys of WeakMaps are of the type Object only. Primitive data types as keys are not allowed (e.g. a Symbol can't be a WeakMap key). Nor can a string, number, or boolean be used as a WeakMap key. A M...