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Explain how finding cycle start node in cycle linked list work?
... tortoise) such that Xi = X2i. Let mu represent the number of steps to get from X0 to the start of the cycle, and let lambda represent the length of the cycle. Then i = mu + alambda, and 2i = mu + blambda, where a and b are integers denoting how many times the tortoise and hare went around the cycl...
Python code to remove HTML tags from a string [duplicate]
...he default one (i.e. available without additional install) 'html.parser'
from bs4 import BeautifulSoup
cleantext = BeautifulSoup(raw_html, "lxml").text
But it doesn't prevent you from using external libraries, so I recommend the first solution.
...
How to scp in Python?
...ramiko. It's very easy to use. See the following example:
import paramiko
from scp import SCPClient
def createSSHClient(server, port, user, password):
client = paramiko.SSHClient()
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.co...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...
Quick answer:
A child scope normally prototypically inherits from its parent scope, but not always. One exception to this rule is a directive with scope: { ... } -- this creates an "isolate" scope that does not prototypically inherit. This construct is often used when creating a "reu...
Is there anything like inotify on Windows?
...n OSX, the relevant api is the fsevents api.
They're all subtly different from one another, and they all have questionable reliability in edge cases. In general, you can't depend on these apis for a complete view of all changes 100% of the time. Most people using file system monitoring combine it w...
Removing viewcontrollers from navigation stack
...Array removeAllObjects]; // This is just for remove all view controller from navigation stack.
[navigationArray removeObjectAtIndex: 2]; // You can pass your index here
self.navigationController.viewControllers = navigationArray;
[navigationArray release];
Hope this will help you.
Edit: Swift...
Pick a random value from an enum?
...d answer and that left me with boilerplate code when I needed to randomize from my second Enum. Also, it's easy to forget about SecureRandom sometimes. Thanks.
– Siamaster
Jul 30 '18 at 10:43
...
What is the difference between the mouseover and mouseenter events?
...
You can try out the following example from the jQuery doc page. It's a nice little, interactive demo that makes it very clear and you can actually see for yourself.
var i = 0;
$("div.overout")
.mouseover(function() {
i += 1;
$(this).find("span"...
Converting a Pandas GroupBy output from Series to DataFrame
..._index() seems to me to be the best way of joining the output you will get from df.groupby('some_column').apply(your_custom_func). This was not intuitive for me.
– Alexander
Jan 16 '17 at 16:57
...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...hin %var% expansion
For a complete explanation read the first half of this from dbenham Same thread: Percent Phase
Phase 2) Process special characters, tokenize, and build a cached command block: This is a complex process that is affected by things such as quotes, special characters, token delimit...