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How to convert a std::string to const char* or char*?
...hat needs const char* you can use
std::string str;
const char * c = str.c_str();
If you want to get a writable copy, like char *, you can do that with this:
std::string str;
char * writable = new char[str.size() + 1];
std::copy(str.begin(), str.end(), writable);
writable[str.size()] = '\0'; // ...
Find the PID of a process that uses a port on Windows
... or, nestat -aon | findstr 123456
– ROMANIA_engineer
Feb 9 '16 at 14:18
Easy way to achieve this on windows ...
How do I output coloured text to a Linux terminal?
...f the escape sequence for ANSI color codes. Ref: en.wikipedia.org/wiki/ANSI_escape_code#CSI_codes
– thameera
Sep 22 '14 at 8:27
21
...
Immutability of Strings in Java
...lease? That will make my understanding clear.
– Light_handle
Oct 12 '09 at 17:30
17
I've never se...
How to get the name of the calling method?
...eem to work in Rails 5.2.1. In Rails controller this returns "block in make_lambda". I guess this is for Ruby only.
– dcangulo
Nov 14 '18 at 4:59
add a comment
...
How to manually set an authenticated user in Spring Security / SpringMVC
...ervice.createNewUser(userRegistrationFormBean, userLocale, Constants.SYSTEM_USER_ID);
String emailAddress = userRegistrationFormBean.getChooseEmailAddressFormBean().getEmailAddress();
String password = userRegistrationFormBean.getChoosePasswordFormBean().getPassword();
doAuto...
Always pass weak reference of self into block in ARC?
...olve by making an explicitly weak reference to self for the block to use:
__weak MyObject *weakSelf = self;
[self setMyBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[weakSelf doSomethingWithObj:obj];
}];
But this should not be the default pattern you follow when dealing with blocks that ca...
Cannot delete or update a parent row: a foreign key constraint fails
...references. This:
ALTER TABLE `advertisers`
ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY (`advertiser_id`)
REFERENCES `jobs` (`advertiser_id`);
...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertis...
C# 4.0 optional out/ref arguments
...lify:
// new overload
public bool SomeMethod()
{
return SomeMethod(out _); // declare out as an inline discard variable
}
(Thanks @Oskar / @Reiner for pointing this out.)
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Android Get Current timestamp?
... you are using System.currentTimeMillis(), consider listening to the ACTION_TIME_TICK, ACTION_TIME_CHANGED and ACTION_TIMEZONE_CHANGED Intent broadcasts to find out when the time changes.
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