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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...
Objective-C: Extract filename from path string
...
Taken from the NSString reference, you can use :
NSString *theFileName = [[string lastPathComponent] stringByDeletingPathExtension];
The lastPathComponent call will return thefile.ext, and the stringByDeletingPathExtension will ...
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
...
How do you calculate the average of a set of circular data? [closed]
...erage of a set of circular data. For example, I might have several samples from the reading of a compass. The problem of course is how to deal with the wraparound. The same algorithm might be useful for a clockface.
...
load and execute order of scripts
...r, then it would have to be coded in by registering for load notifications from the async scripts and manually sequencing javascript calls when the appropriate things are loaded.
When a script tag is inserted dynamically, how the execution order behaves will depend upon the browser. You can see ho...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
I want to send temperature value from a microcontroller using UART to C# interface and Display temperature on Label.Content . Here is my microcontroller code:
...