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How do I get the full path of the current file's directory?
...one.
Also note that if you are running interactively or have loaded code from something other than a file (eg: a database or online resource), __file__ may not be set since there is no notion of "current file". The above answer assumes the most common scenario of running a python script that is in...
Android Studio - Ambiguous method call getClass()
...tive Class getClass();
Newer versions of Android Studio appear to suffer from a bug which prevents you from editing the file even after declaring it as writable. Instead, copy the path, Edit -> Copy Path or ⇧⌘C, and edit it in your favorite editor.
This change will preserve source navigati...
How to see top processes sorted by actual memory usage?
... @JosephK It actually takes the kernel less time to repurpose memory from one use to another than to put free memory into use. One requires acceessing and modifying the free list, the other doesn't. Unfortunately, this is an XY question. The problem has to do with performance and may be entire...
Creating a singleton in Python
...lass itself is a a function, not a class, so you cannot call class methods from it."
Python 2 and 3 Compatible Version
Writing something that works in both Python2 and 3 requires using a slightly more complicated scheme. Since metaclasses are usually subclasses of type type, it's possible to use one...
How to find a Java Memory Leak
...n a diff for 2 snapshots and analyze it.
Basically analysis should start from greatest positive diff by, say, object types and find what causes those extra objects to stick in memory.
For web applications that process requests in several threads analysis gets more complicated, but nevertheless ge...
How to get Enum Value from index in Java?
...to get the enum at indexposition. As mentioned above arrays begin to count from 0, if you want your index to start from '1' simply change these two methods to:
public static String getCountry(int i) {
return list[(i - 1)];
}
public static int listGetLastIndex() {
return list.length;
}
In...
How to merge 2 JSON objects from 2 files using jq?
...s add
{
"a": 0,
"b": "bar",
"c": "baz"
}
This reads all JSON texts from stdin into an array (jq -s does that) then it "reduces" them.
(add is defined as def add: reduce .[] as $x (null; . + $x);, which iterates over the input array's/object's values and adds them. Object addition == merge....
TDD vs. Unit testing [closed]
...'m wary about the "100% completed library" with 50% test coverage ... just from my experience that every piece of code that isn't covered by some tests contains at least one bug. Or to put it another way: People tend to avoid writing tests for code that would really benefit from some more testing :)...
Least common multiple for 3 or more numbers
...
Some Python code that doesn't require a function for gcd:
from sys import argv
def lcm(x,y):
tmp=x
while (tmp%y)!=0:
tmp+=x
return tmp
def lcmm(*args):
return reduce(lcm,args)
args=map(int,argv[1:])
print lcmm(*args)
Here's what it looks like in the ter...
What is the difference between an ordered and a sorted collection?
...
If SortedSet has inherited from Set and is having a is-a relationship with it then how can u say Set is without any order
– xpioneer
May 17 '19 at 7:21
...