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When to use std::forward to forward arguments?
...nt3 deposit failed!: " << e << std::endl;
}
}
To build:
cd std_forward
rm -f *.o example
c++ -std=c++2a -Werror -g -ggdb3 -Wall -c -o main.o main.cpp
c++ main.o -o example
./example
Expected output:
# create account1 and try to deposit into it
new cash BankAccount(0x7ffee68d96...
What GRANT USAGE ON SCHEMA exactly do?
...------ SKIP THIS PART UNTIL POSTGRES JDBC ADDS SCRAM - START ----------//
cd /etc/postgresql/$VERSION/main
sudo cp pg_hba.conf pg_hba.conf_bak
sudo -e pg_hba.conf
# change all `md5` with `scram-sha-256`
# save and exit
//------------ SKIP THIS PART UNTIL POSTGRES JDBC ADDS SCRAM - END -----------...
Break a previous commit into multiple commits
...arther back in the tree than you want to count, then
$ git rebase -i 123abcd~
where 123abcd is the SHA1 of the commit you want to split up.
If you are on a different branch (e.g., a feature branch) that you plan to merge into master:
$ git rebase -i master
When you get the rebase edit screen,...
Is cout synchronized/thread-safe?
...he level of individual bytes. Thus, cout << "ab"; and cout << "cd" executed in different threads may output acdb, for example, but may not cause Undefined Behaviour.
– JohannesD
Jun 16 '11 at 18:31
...
What is the significance of ProjectTypeGuids tag in the visual studio project file
...991F28F}") = "SqlServerProject1", "SqlServerProject1.vbproj", "{BE5F0BE0-93CD-4FCE-A853-9096A442DF1B}"
EndProject
The project type Guids are stored in the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\<version>\Projects. However, not all the Guids stored in that registry ke...
How to export revision history from mercurial or git to cvs?
... repository but this is easily remedied:
% git clone [CENTRAL_REPO_HERE]
% cd [NEW_GIT_REPO_DIR_HERE]
% git config --unset branch.master.remote
% git config --unset branch.master.merge
After you've removed these configs, you will have to explicitly say where and what to pull from when you want to p...
How do you convert a byte array to a hexadecimal string, and vice versa?
...new StringBuilder(bytes.Length * 2);
string hexAlphabet = "0123456789ABCDEF";
foreach (byte b in bytes) {
result.Append(hexAlphabet[(int)(b >> 4)]);
result.Append(hexAlphabet[(int)(b & 0xF)]);
}
return result.ToString();
}
static readonly uint* _lookup32Unsa...
How do you sign a Certificate Signing Request with your Certification Authority?
...:6f:1f:ac:fd:fb:1e:a4:6d:08:eb:f5:af:f6:1e:48:a5:c7:
...
cd:c6:ac:30:f9:15:83:41:c1:d1:20:fa:85:e7:4f:35:8f:b5:
38:ff:fd:55:68:2c:3e:37
And test its purpose with the following (don't worry about the Any Purpose: Yes; see "critical,CA:FALSE" but "Any Purpose CA : Yes").
...
How to avoid reinstalling packages when building Docker image for Python projects?
... 1.1s
=> => writing image sha256:fc84cd45482a70e8de48bfd6489e5421532c2dd02aaa3e1e49a290a3dfb9df7c 0.0s
=> => naming to docker.io/library/test ...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...115ebc cpsr 20000030
d0 4040000040000000 d1 0000004200000003
d2 4e72cd924285e370 d3 00e81fe04b1b64d8
d4 3fbc71c7009b64d8 d5 3fe999999999999a
d6 4010000000000000 d7 4000000000000000
d8 4000000000000000 d9 0000000000000000
d10 0000000000000000 d11 0000000000000000
d12 000000000...