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Rename a git submodule
... This solutions doesn’t work for me because when using git add command, the submodule was included into the project as a simple directory and not as a submodule. try $ mv submodule-oldpath ~/another-location $ git rm submodule-oldpath $ git submodule add submodule-repository-URL submodu...
Difference between a User and a Login in SQL Server
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But now MSDN recommends a type of user "Users that authenticate at the database" (Recommended to help make your database more portable). Link: docs.microsoft.com/en-us/sql/t-sql/statements/… Is this better than traditional user type?
...
How to set current working directory to the directory of the script in bash?
... so bash script.sh, then the value of $0 is script.sh. The only way the cd command will "work" for you is because you don't care about failed commands. If you were to use set -o errexit (aka: set -e) to ensure that your script doesn't blow past failed commands, this would NOT work because cd script....
How can I reliably get an object's address when operator& is overloaded?
...d of boost::addressof.
Let us first copy the code from Boost, minus the compiler work around bits:
template<class T>
struct addr_impl_ref
{
T & v_;
inline addr_impl_ref( T & v ): v_( v ) {}
inline operator T& () const { return v_; }
private:
addr_impl_ref & operat...
Is there a better way to run a command N times in bash?
I occasionally run a bash command line like this:
19 Answers
19
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
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This error message means you failed to authenticate.
These are common reasons that can cause that:
Trying to connect with the wrong key. Are you sure this instance is using this keypair?
Trying to connect with the wrong username. ubuntu is the username for the ubuntu based AWS distribu...
Reloading module giving NameError: name 'reload' is not defined
...hon 3. I know that you only need to import once and executing the import command again won't do anything.
7 Answers
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what is “strict mode” and how is it used?
... else.
For example, blah = 33; is valid JavaScript. It means you create a completely global variable blah.
But in strict mode its an error because you did not use the keyword "var" to declare the variable.
Most of the time you don't mean to create global variables in the middle of some arbitrary ...
Send email using the GMail SMTP server from a PHP page
...Pear Mail Library
require_once "Mail.php";
$from = '<fromaddress@gmail.com>';
$to = '<toaddress@yahoo.com>';
$subject = 'Hi!';
$body = "Hi,\n\nHow are you?";
$headers = array(
'From' => $from,
'To' => $to,
'Subject' => $subject
);
$smtp = Mail::factory('smtp', arr...
How to distinguish between left and right mouse click with jQuery
... event.keyCode and event.charCode so you don't have to worry about browser compatibility issues. Documentation on event.which
event.which will give 1, 2 or 3 for left, middle and right mouse buttons respectively so:
$('#element').mousedown(function(event) {
switch (event.which) {
case ...