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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
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There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are s...
Retrieve specific commit from a remote Git repository
...ged by Junio C Hamano -- gitster -- in commit a9d3493, 01 Jun 2015)
You now have a new config (on the server side)
uploadpack.allowReachableSHA1InWant
Allow upload-pack to accept a fetch request that asks for an object that is reachable from any ref tip. However, note that calculating objec...
Create Directory When Writing To File In Node.js
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Node > 10.12.0
fs.mkdir now accepts a { recursive: true } option like so:
// Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist.
fs.mkdir('/tmp/a/apple', { recursive: true }, (err) => {
if (err) throw err;
});
or with a prom...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
...nificant disk space, you might also want to run git reflog expire --expire=now --all and git gc --prune=now to expire your reflogs and delete the now-unused objects. (Warning: completely, totally irreversible. Be very sure before you do it.)
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Why doesn't the height of a container element increase if it contains floated elements?
...ce blank -->
<div style="clear: both;"></div>
<!-- Now in order to prevent the next div from floating beside the top ones,
we use `clear: both;`. This is like a wall, so now none of the div's
will be floated after this point. The container height will now also...
How can I add new keys to a dictionary?
... value is in the end too. Anyway answer has been edited and is much better now. Updating with a dictionary is good when it's likely that it contains many items.
– Jean-François Fabre♦
Jan 20 at 16:26
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How set background drawable programmatically in Android
...UPDATE: getDrawable(int ) deprecated in API level 22
getDrawable(int ) is now deprecated in API level 22.
You should use the following code from the support library instead:
ContextCompat.getDrawable(context, R.drawable.ready)
If you refer to the source code of ContextCompat.getDrawable, it give...
What's the fastest way to loop through an array in JavaScript?
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The blog post this answer is based on is now almost 4 years old, and a lot has changed in js engines in that time, see my answer below for an updated comparison.
– jondavidjohn
Aug 31 '11 at 3:01
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How can I calculate the time between 2 Dates in typescript
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A tip, instead of using new Date().getTime() use Date.now() so you don't make new objects unnecessarily.
– PhoneixS
Mar 6 '18 at 12:34
1
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How to document a method with parameter(s)?
...d docstring, Sphinx complains SEVERE: Unexpected section title — do you know any way to make Sphinx happier about it?
– Brandon Rhodes
Jan 21 '14 at 4:54
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