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How do sessions work in Express.js with Node.js?
...e like a placeholder for the session than a holder of actual session data.
From here, it looks like this session data on the server is by default held in memory, although that could be altered to whatever storage form implements the appropriate API.
So if you want to check things without a specifi...
CSS content property: is it possible to insert HTML instead of Text?
...here are a lot of limitations :
You can not load any external resources from this markup (no CSS, no images, no media etc.).
You can not execute script.
Since this won't be part of the DOM, the only way to alter it, is to pass the markup as a dataURI, and edit this dataURI in document.styleSheets...
Efficient evaluation of a function at every cell of a NumPy array
...ion to how vectorize determines the return type. That has produced bugs. frompyfunc is a bit faster, but returns a dtype object array. Both feed scalars, not rows or columns.
– hpaulj
Jul 31 '16 at 12:34
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HTTP status code for update and delete?
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@JeffMartin That may be so from the standpoint of the user, but as far as the server is concerned, if the resource does not exist, the server should return 404.
– Randolpho
Oct 11 '12 at 17:29
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Why can't I use switch statement on a String?
...switch(String) is that it wouldn't meet the performance guarantees expects from switch() statements. They didn't want to "mislead" developers. Frankly I don't think they should guarantee the performance of switch() to begin with.
– Gili
Dec 22 '08 at 22:15
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MongoDB vs. Cassandra [closed]
...L and have MySQL populate a NoSQL data store for reads -- you then benefit from each technology's strengths. This does add more complexity, but you already have the MySQL side -- just add MongoDB, Cassandra, etc to the mix.
NoSQL datastores generally scale way better than a traditional DB for the ...
What's the difference between a mock & stub?
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From what you wrote I can tell that mocks = stubs + expectations and verifications, because mocks "provide canned answers to calls made during the test, usually not responding at all to anything outside what's programmed in f...
How to use double or single brackets, parentheses, curly braces
...mp;1; date; } | tee logfile
# now we can calculate the duration of a build from the logfile
There is a subtle syntactic difference with ( ), though (see bash reference) ; essentially, a semicolon ; after the last command within braces is a must, and the braces {, } must be surrounded by spaces.
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Why declare unicode by string in python?
...e characters in the string (that is, u'\u2665' is now legal). You can use from __future__ import unicode_literals to make it the default.
This only applies to Python 2; in Python 3 the default is Unicode, and you need to specify a b in front (like b'These are bytes', to declare a sequence of bytes...
Null or default comparison of generic argument in C#
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I can't decide if this answer pushed me away from or closer to insanity. +1
– Steven Liekens
Apr 18 '17 at 15:54
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