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std::auto_ptr to std::unique_ptr
With the new standard coming (and parts already available in some compilers), the new type std::unique_ptr is supposed to be a replacement for std::auto_ptr .
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What does new self(); mean in PHP?
...stance = new MyClass();
Edit : a couple more informations, after the comments.
If you have two classes that extend each other, you have two situations :
getInstance is defined in the child class
getInstance is defined in the parent class
The first situation would look like this (I've rem...
Python: fastest way to create a list of n lists
...pty((n, 0)).tolist()
but this is actually 2.5 times slower than the list comprehension.
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AngularJS $location not changing the path
...gular and how to work around it's issues, here's a link for that yearofmoo.com/2012/10/…
– matsko
Oct 16 '12 at 20:30
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not:first-child selector
...9 supports it. A great resource to get this kind of information is caniuse.com.
– Jon
Jul 29 '14 at 9:15
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Automatically enter SSH password with script
...-p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM
Custom port example:
sshpass -p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM:2400
Notes:
sshpass can also read a password from a file when the -f flag is passed.
Using -f prevents t...
ICollection Vs List in Entity Framework
...<T>, IEnumerable<T>) because of the inheritance hierarchy. For completion, IList<T> also picks up the non-generic IList, ICollection and IEnumerable interfaces.
– Anthony Pegram
Oct 5 '11 at 2:17
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Why doesn't Java allow generic subclasses of Throwable?
...t does them right - given the constraint that generics had to be backwards compatible.
– Stephen C
Feb 20 '17 at 7:25
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bash HISTSIZE vs. HISTFILESIZE?
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Short answer:
HISTSIZE is the number of lines or commands that are stored in memory in a history list while your bash session is ongoing.
HISTFILESIZE is the number of lines or commands that (a) are allowed in the history file at startup time of a session, and (b) are stor...