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how to convert binary string to decimal?
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The parseInt function converts strings to numbers, and it takes a second argument specifying the base in which the string representation is:
var digit = parseInt(binary, 2);
See it in action.
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How do I get the path to the current script with Node.js?
...hrough the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/home/kyle/some/dir/file.js)
__dirname is the directory name of the...
Difference between “@id/” and “@+id/” in Android
In @+id/ the plus symbol + instructs to create a new resource name and add in to the R.java file but what about @id/ ? From the documentation of ID : when referencing an Android resource ID , you do not need the plus symbol, but must add the android package namespace, like so:
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jQuery show for 5 seconds then hide
...ation, it's just an instant effect.
Or, another option is to use .delay() and .queue() yourself, like this:
$("#myElem").show().delay(5000).queue(function(n) {
$(this).hide(); n();
});
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Command line: piping find results to rm
I'm trying to work out a command which deletes sql files older than 15 days.
4 Answers
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Get to UIViewController from UIView?
...r directly.
The view should instead be independent of the view controller, and be able to work in different contexts.
Should you need the view to interface in a way with the view controller, the recommended way, and what Apple does across Cocoa is to use the delegate pattern.
An example of how to ...
Reverse / invert a dictionary mapping
...g aspect of this new implementation is considered an implementation detail and should not be relied upon. There is no guarantee it will stay that way so don't write code relying on Dict having the same behavior as OrderedDict.
– Mattias
Aug 26 '18 at 17:44
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Create a new Ruby on Rails application using MySQL instead of SQLite
...rails project, change the adapter in the config/database.yml file to mysql and make sure you specify a valid username and password, and optionally, a socket:
development:
adapter: mysql2
database: db_name_dev
username: koploper
password:
host: localhost
socket: /tmp/mysql.sock
Next, m...
Calculate date/time difference in java [duplicate]
...hich even in JVM bytecode is a few instructions), less clear (it's longer, and frankly if something finds "1000" or "60" to be magic numbers in that context, they're not working with a full deck) and, pivotally, it doesn't do what the OP wanted.
– Parthian Shot
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Symfony 2: How do I check if a user is not logged in inside a template?
...wer answers the OP's question, I would like to add more details.
I understand the OP did not want to check roles, but I am including them so other SO users can copy and paste from this in the future. - everytime I google this, I end up here!
Symfony Doc Sources:
http://symfony.com/doc/current/bo...