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Are there legitimate uses for JavaScript's “with” statement?
...e feature, and had never given much thought to how it might cause trouble. Now, I'm curious as to how I might make effective use of with , while avoiding its pitfalls.
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How to install an npm package from GitHub directly?
...
Only solution I think of for now is to specify a commit with .../express.git#commit
– Gaston Sanchez
Dec 8 '14 at 18:23
40
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JavaScript closures vs. anonymous functions
...ree variable.
That free variable is called an upvalue of the closure F.
Now let's use this to figure out who uses closures and who doesn't (for the sake of explanation I have named the functions):
Case 1: Your Friend's Program
for (var i = 0; i < 10; i++) {
(function f() {
var i2...
Displaying a message in iOS which has the same functionality as Toast in Android
I need to know if there is any method in iOS which behaves like Toast messages in Android. That is, I need to display a message which is dismissed automatically after few seconds. This is similar to the functionality of the Toast class in the Android environment.
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What is :: (double colon) in Python when subscripting sequences?
I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3] ?
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Rspec doesn't see my model Class. uninitialized constant error
... versions of RSpec move some stuff out of the spec/spec_helper.rb file, so now you also get a spec/rails_helper.rb file. If you run rails generate rspec:install, this is what it produces (rspec-rails 3.0.1, rails 4.1.1). Turns out the rails_helper.rb file contains some similar code to yours and shou...
When exactly is it leak safe to use (anonymous) inner classes?
...u are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss.
Nested Classes: Introduction
As I'm not sure how comfortable you are with OOP in Java, this will hit a couple of basics. A ...
Browser statistics on JavaScript disabled [closed]
...ree, but I don't think that's the case. Just my opinion, but JavaScript is now a basic language of the web and I think it's time we stopped making excuses to add work for ourselves for an incredibly small minority of people who CHOOSE to limit their experience usually for outdated reasons.
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How to find all positions of the maximum value in a list?
... leading coefficients are ignored in big O
– michaelsnowden
Oct 23 '15 at 8:06
1
Theoretically O(...
Add 2 hours to current time in MySQL?
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SELECT *
FROM courses
WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time
See Date and Time Functions for other date/time manipulation.
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