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Are memory leaks ever ok? [closed]
...personally go with exactly the same answer, there are programs that hardly free memory at all. The reason is that they are a) intended to run on OSes that free memory, and b) designed not to run very long. Rare constraints for a program indeed, but I accept this as perfectly valid.
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Convert java.time.LocalDate into java.util.Date type
...te = java.sql.Date.valueOf(localDate);
No need to add time and time zone info here because they are taken implicitly.
See LocalDate to java.util.Date and vice versa simpliest conversion?
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Why is my git repository so big?
...&& \
git prune
Note: the second script is designed to remove info from Git completely (including all info from reflogs). Use with caution.
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Efficiency of premature return in a function
...th resource allocation, and then error checking with a potential resulting freeing of resources, the picture might change.
Consider the naive approach beginners might take:
int func(..some parameters...) {
res_a a = allocate_resource_a();
if (!a) {
return 1;
}
res_b b = allocate_resour...
Error: free(): invalid next size (fast):
...
It means that you have a memory error. You may be trying to free a pointer that wasn't allocated by malloc (or delete an object that wasn't created by new) or you may be trying to free/delete such an object more than once. You may be overflowing a buffer or otherwise writing to memor...
Smooth GPS data
...liseconds = TimeStamp_milliseconds;
// TO DO: USE VELOCITY INFORMATION HERE TO GET A BETTER ESTIMATE OF CURRENT POSITION
}
// Kalman gain matrix K = Covarariance * Inverse(Covariance + MeasurementVariance)
// NB: because K is dimensionless, it doe...
How to tell Jackson to ignore a field during serialization if its value is null?
...s a side note, Jackson 1.9.12 is standard in WebSphere 8.5, hopefully this info will save someone else a lot of time it took me to figure this out :-)
– bakoyaro
Feb 28 '18 at 17:34
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Automatically enter SSH password with script
...mentioned in the other answer. this allows you to separate authentication info from your script so you can share your script with others worry-free, and later decide to enable encryption on your ~/.ssh folder without also encrypting your script.
– Alexander Taylor
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How do I declare a 2d array in C++ using new?
...gt;
#include <utility>
#include <type_traits>
#include <typeinfo>
#include <cxxabi.h>
using namespace std;
int main()
{
const auto M = 2;
const auto N = 2;
// allocate (no initializatoin)
auto array = new double[M][N];
// pollute the memory
array[0]...
How to Get True Size of MySQL Database?
...length + index_length ) / 1024 / 1024 "database size in MB",
sum( data_free )/ 1024 / 1024 "free space in MB"
FROM information_schema.TABLES
GROUP BY table_schema;
Or in a single line for easier copy-pasting:
SELECT table_schema "database name", sum( data_length + index_length ) / 1024 / 102...