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What is the parameter “next” used for in Express?
...r instance, you might look up the user in the database if an id was given, and assign it to req.user.
Below, you could have a route like:
app.get('/users', function(req, res) {
// check for and maybe do something with req.user
});
Since /users/123 will match the route in your example first, ...
How to check if all list items have the same value and return it, or return an “otherValue” if they
..., otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
9 Answers
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Google Docs/Drive - number the headings
...ents should appear in your sidebar. Click on Heading Numbers Format menu, and choose 1.2.3
You have to reformat your document if you have an old one in order to 'refresh' the numbers, but actually the addon works very well.
I've seen the answer in this forum.
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Rails 4: assets not loading in production
I'm trying to put my app into production and image and css asset paths aren't working.
18 Answers
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What's the result of += in C and C++?
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Semantics of the compound assignment operators is different in C and C++:
C99 standard, 6.5.16, part 3:
An assignment operator stores a value in the object designated by the left operand. An
assignment expression has the value of the left operand after the assignment, but is not an
...
Good reasons NOT to use a relational database?
Can you please point to alternative data storage tools and give good reasons to use them instead of good-old relational databases? In my opinion, most applications rarely use the full power of SQL--it would be interesting to see how to build an SQL-free application.
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Where and how is the _ViewStart.cshtml layout file linked?
... that we use depending on what type of device is accessing the site –
and have a phone or tablet optimized layout for those devices, and a
desktop optimized layout for PCs/Laptops. Or if we were building a
CMS system or common shared app that is used across multiple customers
we could se...
How to detect if JavaScript is disabled?
...ection. As an alternative it is possible to set a cookie using JavaScript, and then test for that cookie using server-side scripting upon subsequent page views. However this would not be suitable for deciding what content to deliver as it would not be able to distinguish visitors without the cookie...
Where do you store your salt strings?
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The point of rainbow tables is that they're created in advance and distributed en masse to save calculation time for others - it takes just as long to generate rainbow tables on the fly as it would to just crack the password+salt combination directly (since effectively what's being done ...
How do you implement a “Did you mean”? [duplicate]
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Actually what Google does is very much non-trivial and also at first counter-intuitive. They don't do anything like check against a dictionary, but rather they make use of statistics to identify "similar" queries that returned more results than your query, the exact algorithm...