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In Python, how to display current time in readable format
...
By using this code, you'll get your live time zone.
import datetime
now = datetime.datetime.now()
print ("Current date and time : ")
print (now.strftime("%Y-%m-%d %H:%M:%S"))
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Understanding $.proxy() in jQuery
...setTimeout($.proxy(function() {
$(this).addClass('aNewClass'); // Now "this" is again our element
}, this), 1000);
// ---^--------------and tell it that we want our DOM element to be the
// value of "this" in the function
});
So after we gave $.proxy() the f...
IntelliJ IDEA way of editing multiple lines
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And for now, just mouse middle button + drag.
– WesternGun
Sep 14 '18 at 11:43
1
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Best way to format integer as string with leading zeros? [duplicate]
...answered Apr 9 '09 at 9:23
unbeknownunbeknown
1
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...e with a specific mysql version like below
gem 'mysql2', '~> 0.3.18'
Now stop the server and run bundle
bundle install
Now restart your server. It should work.
rails s
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Empty arrays seem to equal true and false at the same time
...comparison x ==
ToNumber(y).
The result of ToNumber(false) is 0, so we now have:
[] == 0
Again, rule #1 tells us to jump to step #14, but the next step that actually applies is #21:
21. If Type(x) is Object and Type(y) is either String or Number, return the
result of the comparison
To...
How do I unbind “hover” in jQuery?
...ing you to expressly remove each of the literal event names. Using $.off() now allows you to drop both mouse events using the same shorthand.
Edit 2016:
Still a popular question so it's worth drawing attention to @Dennis98's point in the comments below that in jQuery 1.9+, the "hover" event was de...
What is “lifting” in Haskell?
...rn than a mathematical concept (although I expect someone around here will now refute me by showing how lifts are a category or something).
Typically you have some data type with a parameter. Something like
data Foo a = Foo { ...stuff here ...}
Suppose you find that a lot of uses of Foo take nu...
How do function pointers in C work?
... which receives 2 ints and returns an int:
int (*functionPtr)(int,int);
Now we can safely point to our function:
functionPtr = &addInt;
Now that we have a pointer to the function, let's use it:
int sum = (*functionPtr)(2, 3); // sum == 5
Passing the pointer to another function is basica...
How can I check for NaN values?
...still in common use - and math.isnan was not part of the standard library. Now days I'm really hoping that's not the case in many places!
– mavnn
Mar 30 '15 at 7:30
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