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How to vertically center a div for all browsers?
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i also had to remove margins/padding from body
– Ben
Apr 21 '18 at 22:14
Works w...
Cell spacing in UICollectionView
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Hey Jonny, inherit from standard Flow Layout and just copy and paste this method into your class.
– iago849
Apr 2 '14 at 8:48
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why unaligned apk is needed?
...ed) APK is needed because signing an aligned apk will undo the alignment.
From the docs:
Caution: zipalign must only be performed after the .apk file has been signed with your private key. If you perform zipalign before signing, then the signing procedure will undo the alignment.
See this ans...
Stop setInterval call in JavaScript
...in clearInterval() to stop the timer.
Here is an example of timer starting from 30 and stops when it becomes 0.
let time = 30;
const timeValue = setInterval((interval) => {
time = this.time - 1;
if (time <= 0) {
clearInterval(timeValue);
}
}, 1000);
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Use cases for the 'setdefault' dict method
...exist already
group.append( value )
# even simpler with defaultdict
from collections import defaultdict
new = defaultdict(list)
for (key, value) in data:
new[key].append( value ) # all keys have a default already
Sometimes you want to make sure that specific keys exist after creating a ...
How to scroll HTML page to given anchor?
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Note that scrollIntoView suffers from the same problem scrollto(some px location) does - if the location of the element changes as you scroll, you will scroll to the wrong position. This can easily happen if you, for example, have unknown-dimension images lo...
Get name of object or class
...y, but there's another caveat: if your object has a prototype chain (aside from Object), you will get the the name of the first link in that chain, not the name of the constructor used to create the object. Take the following example: function Daddy() {}; function Me() {}; Me.prototype = new Daddy; ...
Convert a Scala list to a tuple?
...the type is available at compile time. Remember that an HList has features from both List and Tuple types. i.e. it can have elements with different types like a Tuple and can be mapped over among other operations like standard collections. HLists take a little while to get used to though so tread sl...
Can a CSV file have a comment?
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@Qix - from section 2 of the referenced document: "While there are various specifications and implementations for the CSV format (for ex. [4], [5], [6] and [7]), there is no formal specification in existence"
–...
How to print a dictionary line by line in Python?
...nk my problem is even worse than that. Basically I've parsed out some data from an HTML table, and I happened to store it in a dictionary, and now I'm trying to take that dictionary data and put it into a DataFrame before I export it all to an Oracle table....it's pretty in depth I know, but the ste...
