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Efficient way to rotate a list in python
...s in the list following the popped item, because the data structure shifts all following elements toward the front of the list. Only the last element can be popped in O(1) time for this reason.
– Kirk Boyer
Jun 17 '18 at 21:26
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Memory footprint of Haskell data types
... GHC creates a single instance of these constructors and shares it amongst all uses.
A word is 4 bytes on a 32-bit machine, and 8 bytes on a 64-bit machine.
So e.g.
data Uno = Uno a
data Due = Due a b
an Uno takes 2 words, and a Due takes 3.
The Int type is defined as
data Int = I# Int#
no...
How do I uninstall a package installed using npm link?
When installing a node package using sudo npm link in the package's directory, how can I uninstall the package once I'm done with development?
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Change SQLite database mode to read-write
...e FAQ).
There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB.
Lastly, another FAQ says: "Make sure that the directory containing the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more file...
Javascript calculate the day of the year (1 - 366)
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This works across Daylight Savings Time changes in all countries (the "noon" one above doesn't work in Australia):
Date.prototype.isLeapYear = function() {
var year = this.getFullYear();
if((year & 3) != 0) return false;
return ((year % 100) != 0 || (year % 4...
text-overflow:ellipsis in Firefox 4? (and FF5)
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Spudley, you could achieve the same thing by writing a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var trimmedText = $('#limited...
Should the .gradle folder be added to version control?
Gradle creates a folder called .gradle . Should I track it with my version control (i.e. git)?
5 Answers
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Remove a marker from a GoogleMap
...tead of the MarkerOptions object that you used to create it). This object allows you to change the marker state later on. When you are finished with the marker, you can call Marker.remove() to remove it from the map.
As an aside, if you only want to hide it temporarily, you can toggle the visibil...
Simple state machine example in C#?
...ate machines with a GetNext function to return the next state deterministically, and a MoveNext function to mutate the state machine.
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What is the point of a “Build Server”? [closed]
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The reason given is actually a huge benefit. Builds that go to QA should only ever come from a system that builds only from the repository. This way build packages are reproducible and traceable. Developers manually building code for anything except...