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How can I do string interpolation in JavaScript?
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Word of caution: avoid any template system which does't allow you to escape its own delimiters. For example, There would be no way to output the following using the supplant() method mentioned here.
"I am 3 years old thanks to my {age} variable."
Simple interpolation ...
What is the parameter “next” used for in Express?
...ware is a more flexible and powerful tool, though, in my opinion, since it doesn't rely on a particular URI scheme or route ordering. I'd be inclined to model the example shown like this, assuming a Users model with an async findOne():
function loadUser(req, res, next) {
if (req.params.userId) {...
Running Bash commands in Python
...nning concurrently alongside with Python, so a "background" process. If it doesn't need to do input or output or otherwise coordinate with you, it can do useful work in parallel with your Python program.
Avoid os.system() and os.popen()
Since time eternal (well, since Python 2.5) the os module doc...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
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What advantages does Require.JS offer in comparison to simply creating a element in the DOM?
In your example, you're creating the script tag asynchronously, which means your needMe() function would be invoked before the need_me.js file fi...
Troubleshooting “Illegal mix of collations” error in mysql
...xamples are given under Examples of the Effect of Collation.
Okay, but how does MySQL decide which collation to use for a given expression?
As documented under Collation of Expressions:
In the great majority of statements, it is obvious what collation MySQL uses to resolve a comparison operatio...
What is the purpose of the reader monad?
...use utility.
There are two ways of approaching a monad: we can ask
What does the monad do? What operations is it equipped with? What is it good for?
How is the monad implemented? From where does it arise?
From the first approach, the reader monad is some abstract type
data Reader env a
su...
VIM Disable Automatic Newline At End Of File
...re you do not commit any newline at eof in a .php file, no matter what Vim does.
And now, the script itself:
#!/usr/bin/python
# a filter that strips newline from last line of its stdin
# if the last line is empty, leave it as-is, to make the operation idempotent
# inspired by: https://stackoverf...
CSS text-overflow in a table cell?
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Specifying a max-width or fixed width doesn't work for all situations, and the table should be fluid and auto-space its cells. That's what tables are for.
Use this: http://jsfiddle.net/maruxa1j/
HTML:
<td class="ellipsis">
<span>This Text Over...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
...ttes? for milk and eggs‽
The space-padding error makes sense, except it does not account for the 0x1250 constant. Why is it that all of them ended up with 0x2020 2020 2020 1250 instead of 0x2020 2020 2020 2020 or different numbers in the last WORD?
Hmmm, if only 13,000 customers were affected, i...
How do you cast a List of supertypes to a List of subtypes?
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Simply casting to List<TestB> almost works; but it doesn't work because you can't cast a generic type of one parameter to another. However, you can cast through an intermediate wildcard type and it will be allowed (since you can cast to and from wildcard types, just with an u...