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print call stack in C or C++
...tdio.h>
#include <execinfo.h>
void print_trace(void) {
char **strings;
size_t i, size;
enum Constexpr { MAX_SIZE = 1024 };
void *array[MAX_SIZE];
size = backtrace(array, MAX_SIZE);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
pr...
How to check for the type of a template parameter?
...ioned the main logic can be done in a different function, which accepts an extra flag to indicate the type, and this specialized declaration can just set the flag accordingly and directly pass on all the other arguments without touching anything. So if 10 different classes need to be handled, it is ...
Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
...be,
incercari.setText(valIncercari+"");
Or
incercari.setText(Integer.toString(valIncercari));
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Get real path from URI, Android KitKat new storage access framework [duplicate]
...on the SD card situation).
To get document id:
// Will return "image:x*"
String wholeID = DocumentsContract.getDocumentId(uriThatYouCurrentlyHave);
// Split at colon, use second item in the array
String id = wholeID.split(":")[1];
String[] column = { MediaStore.Images.Media.DATA };
// wher...
Heroku Postgres - terminate hung query (idle in transaction)
...
You can install the heroku-pg-extras add-on and run the following command to get the PID:
heroku pg:locks --app <your-app>
Then just do:
heroku pg:kill <pid> --app <your-app>
NOTE: --force option can be used to issue pg_terminate_...
Change default timeout for mocha
... enter this (i.e. "--timeout 10000") under Run->Edit Configurations->Extra Mocha Options.
– Rubicon
Dec 8 '16 at 19:22
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Creating temporary files in bash
...
Ignore they typo (extra space). mktemp -dt "$(basename $0).XXXXXXXXXX" is the correct way.
– i4niac
May 28 '14 at 2:06
3
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Polymorphism in C++
...on, loop unrolling, static stack-based arrays vs heap)
__FILE__, __LINE__, string literal concatenation and other unique capabilities of macros (which remain evil ;-))
templates and macros test semantic usage is supported, but don't artificially restrict how that support is provided (as virtual disp...
Postgres: “ERROR: cached plan must not change result type”
...RDS Postgres 10 instance, enabling the conservative setting does result in extra CPU usage on the database server. It wasn't much though, I could only even see the autosave functionality show up as using a measurable amount of CPU after I'd tuned every single query my load test was using and starte...
Is it possible to use raw SQL within a Spring Repository
...")
public class UserInfoTest {
private int id;
private String name;
private String rollNo;
public UserInfoTest() {
}
public UserInfoTest(int id, String name) {
this.id = id;
this.name = name;
}
@Id
@Genera...