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How does the new automatic reference counting mechanism work?
Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked.
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What is the official “preferred” way to install pip and virtualenv systemwide?
...h, looks like the instructions say to just do as you say here, it is sanctioned. Nevermind then.
– Steven Lu
Jul 13 '13 at 4:56
4
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Check if a table exists in Rails
...iveRecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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show 1 more comment
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Git: How to remove file from index without deleting files from any repository
...tment required for your configuration file would be just another step that one must perform while recovering from the rewrite:
Save a copy of the configuration file.
Recover from the rewrite.
Restore the configuration file.
Ignore It to Prevent Recurrence
Whatever method you use, you will pro...
How does origin/HEAD get set?
...h in the remote repository.
origin's HEAD will only change if you or someone else actually changes it in the remote repository, which should basically never happen - you want the default branch a public repo to stay constant, on the stable branch (probably master). origin/HEAD is a local ref repre...
Combating AngularJS executing controller twice
...stopped for me. I haven't come across this behavior before, but maybe someone else has this too.
– Phix
Nov 12 '13 at 3:44
5
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What is the correct way to document a **kwargs parameter?
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Am I the only one to whom this answer made no sense? I couldn't find the specific example in question.
– Acumenus
Jul 12 '13 at 22:26
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How can I use vim to convert my file to utf8?
...d Feb 16 '12 at 11:14
Eric JohnsonEric Johnson
15.8k1010 gold badges4747 silver badges5858 bronze badges
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What is the function __construct used for?
...ut if you wish to pass any parameters on object construction then you need one.
An example could go like this:
class Database {
protected $userName;
protected $password;
protected $dbName;
public function __construct ( $UserName, $Password, $DbName ) {
$this->userName = $UserName;
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What is the MIME type for Markdown?
Does anyone know if there exists a MIME type for Markdown? I guess it is text/plain , but is there a more specific one?
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