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What is the meaning and difference between subject, user and principal?
... (SO disallows linebreaks in comments): John (human) SUBJECT > username_1 PRINCIPAL > password_1 USER John (human) SUBJECT > username_1 PRINCIPAL > password_2 USER John (human) SUBJECT > username_1 PRINCIPAL > smartcard_1 USER John (human) SUBJECT > username_1 PRINCIPAL > ce...
Make sure that the controller has a parameterless public constructor error
... More like LousyErrorMessageException()
– Simon_Weaver
Dec 14 '18 at 0:24
What relevant places did you place the...
Difference between dispatch_async and dispatch_sync on serial queue?
... ensure the serial execution of tasks. The only difference is that dispatch_sync only return after the block is finished whereas dispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_async(_se...
How to disable Golang unused import error
...
Adding an underscore (_) before a package name will ignore the unused import error.
Here is an example of how you could use it:
import (
"log"
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
To import a package solely for i...
Private and Protected Members : C++
...ou want the derived classes to be able to see.
class A
{
private:
int _privInt = 0;
int privFunc(){return 0;}
virtual int privVirtFunc(){return 0;}
protected:
int _protInt = 0;
int protFunc(){return 0;}
public:
int _publInt = 0;
int publFunc()
{
return privV...
libxml/tree.h no such file or directory
...ude/libxml2" to the Header Search Path (XCode 4.2), than it says that " "_OBJC_METACLASS_$_UIResponder", referenced from: _OBJC_METACLASS_$_D2GAppDelegate in MyDemoAppDelegate.o ld: symbol(s) not found for architecture i386". What can i do?
– NicTesla
A...
How do you find out the type of an object (in Swift)?
... adding as! AnyClass after the type but then program crashes with some "EXC_BAD_INSTRUCTION" and other jiberrish that I cannot decipher.
– LightningStryk
Mar 10 '17 at 0:36
...
Vim delete blank lines
...swered Apr 1 '09 at 15:35
nearly_lunchtimenearly_lunchtime
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...
Good Hash Function for Strings
... right?
– whitehat
Oct 17 '15 at 23:06
1
...
Equivalent to 'app.config' for a library (DLL)
... is very important to read the appcfg values, the file name should be "DLL_NAME.DLL.CONFIG"
– SaddamBinSyed
Dec 10 '17 at 5:33
2
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