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Why do table names in SQL Server start with “dbo”?
...uld not have to use the fully qualified name, though there is a slight performance gain in doing so and is considered a best practice. "
– Carl G
Oct 9 '12 at 16:33
7
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How do I install an old version of Django on virtualenv?
...You can see all the releases in the tags section of the Django code repository.
However to answer your question, don't use easy_install, use pip. (If it's not already installed, do easy_install pip, then never touch easy_install again). Now you can do:
pip install Django==1.0.4
...
What's the difference between process.cwd() vs __dirname?
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process.cwd() returns the current working directory,
i.e. the directory from which you invoked the node command.
__dirname returns the directory name of the directory containing the JavaScript source code file
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Why is the standard session lifetime 24 minutes (1440 seconds)?
...hy the standard value is 1440 and how it is calculated?
What is the basis for this calculation?
2 Answers
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What is the parameter “next” used for in Express?
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It passes control to the next matching route. In the example you give, for 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 ...
Switch statement multiple cases in JavaScript
...gh feature of the switch statement. A matched case will run until a break (or the end of the switch statement) is found, so you could write it like:
switch (varName)
{
case "afshin":
case "saeed":
case "larry":
alert('Hey');
break;
default:
alert('Default case');...
Thread Safety in Python's dictionary
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Python's built-in structures are thread-safe for single operations, but it can sometimes be hard to see where a statement really becomes multiple operations.
Your code should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of min...
How can you sort an array without mutating the original array?
Let's suppose I wanted a sort function that returns a sorted copy of the inputted array. I naively tried this
6 Answers
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Intro to GPU programming [closed]
...as this huge massively parallelized supercomputer on their desktop in the form of a graphics card GPU.
9 Answers
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How can I install a local gem?
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Yup, when you do gem install, it will search the current directory first, so if your .gem file is there, it will pick it up. I found it on the gem reference, which you may find handy as well:
gem install will install the named
gem. It will attempt a local
installation (i.e. a .ge...