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How to use custom packages
...something very obvious but I cannot find much information about this. Basically, I have these two files in the same folder:
...
Execute the setInterval function without delay the first time
...
It's simplest to just call the function yourself directly the first time:
foo();
setInterval(foo, delay);
However there are good reasons to avoid setInterval - in particular in some circumstances a whole load of setInterval events can arrive imm...
How to work with complex numbers in C?
...h:
creal(z1): get the real part (for float crealf(z1), for long double creall(z1))
cimag(z1): get the imaginary part (for float cimagf(z1), for long double cimagl(z1))
Another important point to remember when working with complex numbers is that functions like cos(), exp() and sqrt() must be repl...
Python: try statement in a single line
...ther dynamic languages. The safer way (and the prevailing style) is to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interested in first, you do have options.
The best...
private[this] vs private
...rotected over public doesn't apply.
Use private[this] where performance really matters (since you'll get direct field access instead of methods this way). Otherwise, just settle on one style so people don't need to figure out why this property is private and that one is private[this].
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Python os.path.join on Windows
...'c:' 'c:\\' did not work (C:\\ created two backslashes, C:\ didn't work at all) Thanks again ghostdog74, Smashery, and Roger Pate. I am in your debt :)
– Frank E.
Mar 11 '10 at 6:12
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Find running median from a stream of integers
...based solution works is explained below:
For the first two elements add smaller one to the maxHeap on the left, and bigger one to the minHeap on the right. Then process stream data one by one,
Step 1: Add next item to one of the heaps
if next item is smaller than maxHeap root add it to maxHea...
Async/Await vs Threads
...es of hundreds of milliseconds are common and an inevitable side-effect of services moving from the desktop or a LAN into "the cloud". Using such services synchronously would make a UI quite unresponsive.
only can be used with some methods like WebClient.DownloadStringAsync
No. You can use it...
Is there a short contains function for lists?
...her have said, you may also be interested to know that what in does is to call the list.__contains__ method, that you can define on any class you write and can get extremely handy to use python at his full extent.
A dumb use may be:
>>> class ContainsEverything:
def __init__(self):...
Delete files older than 15 days using PowerShell
...is in the title of this post), but here's some code that will first delete all of the files older than 15 days, and then recursively delete any empty directories that may have been left behind. My code also uses the -Force option to delete hidden and read-only files as well. Also, I chose to not use...