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What is a method that can be used to increment letters?
...t() {
const r = [];
for (const char of this._nextId) {
r.unshift(this._chars[char]);
}
this._increment();
return r.join('');
}
_increment() {
for (let i = 0; i < this._nextId.length; i++) {
const val = ++this._nextId[i];
if (val >= this._chars.len...
Case insensitive searching in Oracle
... versions older than 10gR2 it can't really be done and the usual approach, if you don't need accent-insensitive search, is to just UPPER() both the column and the search expression.
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mongodb count num of distinct values per field/key
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this doesn't really work if your number of distinct values is too high... if you were looking at distinct names of people in the world or something. do you have an answer that scales?
– underrun
Oct 1 '14 at 18:...
How to throw std::exceptions with variable messages?
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what's the difference between this and an std::stringstream? It appears to contain a stringstream, but has (as far as I can tell), no extra functionality.
– matts1
Sep 4 '16 at 1:43
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Are Swift variables atomic?
...o redraw a view when the property is changed to a different value; that is now done easier using didSet.
– gnasher729
Jun 11 '14 at 9:22
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How do I find out what keystore my JVM is using?
I need to import a certificate into my JVM keystore. I am using the following:
10 Answers
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How to capture UIView to UIImage without loss of quality on retina display
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The currently accepted answer is now out of date, at least if you are supporting iOS 7.
Here is what you should be using if you are only supporting iOS7+:
+ (UIImage *) imageWithView:(UIView *)view
{
UIGraphicsBeginImageContextWithOptions(view.bounds.s...
What would cause an algorithm to have O(log n) complexity?
My knowledge of big-O is limited, and when log terms show up in the equation it throws me off even more.
6 Answers
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Pythonic way to combine FOR loop and IF statement
I know how to use both for loops and if statements on separate lines, such as:
10 Answers
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Delete local Git branches after deleting them on the remote repo
...swer here:
https://stackoverflow.com/a/34969726/550454
But essentially, I now have this in my ~/.gitconfig:
[alias]
prune-branches = !git remote prune origin && git branch -vv | grep ': gone]' | awk '{print $1}' | xargs -r git branch -d
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