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JPA: unidirectional many-to-one and cascading delete
...eToMany(mappedBy = "parent", cascade = CascadeType.REMOVE)
private Set<Child> children;
}
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How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
...
For an emulator use adb -e shell or adb emu <command>. They'll fail if there's more than one emulator going and you'll have to fall back to -s
– Corey Ogburn
Jun 3 '16 at 20:23
...
Overloading Macro on Number of Arguments
...le)
Function for no argument only in GCC possible
Ideas
Use it for default arguments:
#define func(...) VFUNC(func, __VA_ARGS__)
#define func2(a, b) func4(a, b, NULL, NULL)
#define func3(a, b, c) func4(a, b, c, NULL)
// real function:
int func4(int a, int b, void* c, void* d) { /* ... */ }
Us...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
... My auto generated configuration had <endpoint address="localhost/myservice.svc" changing this to <endpoint address="mymachine.mydoman.com/myservice.svc" resolved this.
– knightscharge
Jul 16 '13 at 14:49
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Which characters need to be escaped when using Bash?
...e reused as shell input
There is a special printf format directive (%q) built for this kind of request:
printf [-v var] format [arguments]
%q causes printf to output the corresponding argument
in a format that can be reused as shell input.
Some samples:
read foo
Hello world
printf "%...
How to convert std::string to LPCWSTR in C++ (Unicode)
...& s)
{
int len;
int slength = (int)s.length() + 1;
len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);
wchar_t* buf = new wchar_t[len];
MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, buf, len);
std::wstring r(buf);
delete[] buf;
return r;
}
std::...
Logger slf4j advantages of formatting with {} instead of string concatenation
...orrect, as the compiler turns concatenation into string-builder calls, resulting in much faster code that doesn't do as much allocation.
– cdeszaq
Jan 28 '19 at 19:18
add a co...
What is “:-!!” in C code?
... or one" -- Not exactly. The operators that yield "logically boolean" results (!, <, >, <=, >=, ==, !=, &&, ||) always yield 0 or 1. Other expressions may yield results that may be used as a conditions, but are merely zero or non-zero; for example, isdigit(c), where c is a digit...
Why does this assert throw a format exception when comparing structures?
...finalMessage = string.Format(template, parameters);
(Obviously there's cultures being provided, and some sort of sanitization... but not enough.)
That looks fine - unless the expected and actual values themselves end up with braces in, after being converted to a string - which they do for Size. F...
How do I use Java to read from a file that is actively being written to?
...(file,0L);
while(true){
if(fileLength<file.length()){
readFile(file,fileLength);
fileLength=file.length();
}
}
}
}else{
System.out.println("no f...