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Database, Table and Column Naming Conventions? [closed]
...nd we also prefer the use of a standard set of suffixes ( _id for the PK, _cd for "code", _nm for "name", _nb for "number", _dt for "Date").
The name of the Foriegn key field should be the same as the Primary key field.
i.e.
SELECT cust_nm, cust_add1, booking_dt
FROM reg_customer
INNER JOIN re...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
...ompute (stretching is tunable).
SHA512 => aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d
Crypt/SHA512 => $6$rounds=5000$usesomesillystri$D4IrlXatmP7rx3P3InaxBeoomnAihCKRVQP22JZ6EY47Wc6BkroIuUUBOov1i.S5KPgErtP/EN5mcO.ChWQW21
So the choice for PHP is either Crypt/Blowfish (BCrypt), Crypt/SHA256 or ...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...e used for both members: http://coliru.stacked-crooked.com/a/171fd0ce335327cd - prints:
movable::copy
nonmovable::copy
So probably putting =default everywhere still makes sense. It doesn't mean that your move expressions will always move, but it makes chances of this higher.
One more update: But...
Why always ./configure; make; make install; as 3 separate steps?
...ean? If I skip make, I can just do make install?
– CMCDragonkai
Apr 14 '14 at 5:37
3
install depe...
Various ways to remove local Git changes
... Revert a commit already pushed to a remote repository?
$ git revert ab12cd15
#Delete a previous commit from local branch and remote branch
Use-Case: You just commited a change to your local branch and immediately pushed to the remote branch, Suddenly realized , Oh no! I dont need this change. ...
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...