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Are lists thread-safe?
...ns easily on smaller numbers but keep the numbers big enough and run a few times and you will see the error
The FLAWED version
import threading
import time
# Change this number as you please, bigger numbers will get the error quickly
count = 1000
l = []
def add():
for i in range(count):
...
Is Big O(logn) log base e?
...mple, because it better communicates the derivation of the algorithm's run-time.
In big-O() notation, constant factors are removed. Converting from one logarithm base to another involves multiplying by a constant factor.
So O(log N) is equivalent to O(log2 N) due to a constant factor.
However, i...
What does Google Closure Library offer over jQuery? [closed]
...he Closure compiler will. The closure inspector may also be useful, as sometimes minified code has a different behavior than the original one, and is a pain to debug. It integrates with Firebug and support unit tests, which are both developers' best friends nowadays.
Documentation
I guess that as ...
How do I check if string contains substring? [duplicate]
...esenting the position where the specified searchvalue occurs for the first time, or -1 if it never occurs. For my needs: if (str.toLowerCase().indexOf("yes") == -1)
– nwolybug
Sep 14 '15 at 16:23
...
How does `scp` differ from `rsync`?
...the call.
rsync A host:B
rsync will check files sizes and modification timestamps of both A and B, and skip any further processing if they match.
If the destination file B already exists, the delta transfer algorithm will make sure only differences between A and B are sent over the wire.
rsync w...
Is there a constraint that restricts my generic method to numeric types?
...nes with generics.
Instead of going through hoops and sacrificing compile-time certainty you can simply generate the function you want for every type you like and use that accordingly (at compile time!).
In order to do this:
Create a new Text Template file called GenericNumberMethodTemplate.tt....
JavaScript null check
... what if you mistype the variable name? That can go undetected for a long time because there’s no error.
– Ry-♦
May 21 '13 at 14:55
...
What does “dereferencing” a pointer mean?
...y dereferences a pointer created by adding
// p and 1 times the size of the things to which p points:
// In this case they're char which are 1 byte in C...
assert(*(p + 1) == 'b'); // Another notation for p[1]
You can also move pointers through the pointe...
How to map a composite key with JPA and Hibernate?
...primary key could look like (could be a static inner class):
public class TimePK implements Serializable {
protected Integer levelStation;
protected Integer confPathID;
public TimePK() {}
public TimePK(Integer levelStation, Integer confPathID) {
this.levelStation = levelSt...
What exactly is Heroku?
...ts thing, to make the administration stuff simpler to you, so it saves you time. But I'm not sure, as I'm just starting with it!
A nice introduction of how it works in the official documentation is:
https://devcenter.heroku.com/articles/how-heroku-works
...