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What exactly does Perl's “bless” do?
...h a class.
package MyClass;
my $object = { };
bless $object, "MyClass";
Now when you invoke a method on $object, Perl know which package to search for the method.
If the second argument is omitted, as in your example, the current package/class is used.
For the sake of clarity, your example migh...
Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
... IP Addresses(Tab). Go to the last entry IP All and mention TCP Port 1433. Now restart SQL Server (<INSTANCE>) using services.msc. After this, the problem got resolved!
– ani627
Feb 24 '15 at 13:26
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How to train an artificial neural network to play Diablo 2 using visual input?
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UPDATE 2018-07-26: That's it! We are now approaching the point where this kind of game will be solvable! Using OpenAI and based on the game DotA 2, a team could make an AI that can beat semi-professional gamers in a 5v5 game. If you know DotA 2, you know this ga...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
...get a crash. This is because our storyboard file hasn’t been updated to know about the new class! So open up the Main.storyboard, select your ‘View Controller’ object in the scene (the left-hand side nav), and then select the Identity Inspector (right-hand side, third button.)
From here let’...
How to convert NSDate into unix timestamp iphone sdk?
...e number of seconds from 1970 till the point in time you want to specify ("now" in this case). If you change the time on your iPad, you effectively change "now" to some other time and hence the difference in the time stamps.
– marsbear
Nov 29 '16 at 17:50
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Java Date cut off time information
... FYI, the troublesome old date-time classes such as java.util.Calendar are now legacy, supplanted by the java.time classes. See Tutorial by Oracle.
– Basil Bourque
Sep 2 '17 at 17:52
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Python pip install fails: invalid command egg_info
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As distribute has been merged back into setuptools, it is now recommended to install/upgrade setuptools instead:
[sudo] pip install --upgrade setuptools
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When should I use Inline vs. External Javascript?
I would like to know when I should include external scripts or write them inline with the html code, in terms of performance and ease of maintenance.
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How do I detect IE 8 with jQuery?
... just redirect to another page which says "Why are you using IE8?" UPGRADE NOW!
– Leon Gaban
Jul 9 '14 at 20:09
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how do i remove a comma off the end of a string?
I want to remove the comma off the end of a string. As it is now i am using
10 Answers
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