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Should private helper methods be static if they can be static
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One of my favorite threads.I am using NetBeans and it shows static method calls with italic fonts.
– skiabox
Jun 28 '12 at 12:24
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What is the difference between a weak reference and an unowned reference?
...== CreditCard
The Customer and CreditCard example shows a situation where one property that is allowed to be nil and another property that cannot be nil has the potential to cause a strong reference cycle. This scenario is best resolved with an unowned reference.
Note from Apple:
Weak references m...
How to comment lines in rails html.erb files? [duplicate]
... +1 For solving my issue, but I've found it very ugly. To comment one line I must use 3 additional characters, and the block comment is nothing but code that will be not executed - no other color coding that makes it very unpractical to see which code is not executed on first look.
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Change IPython/Jupyter notebook working directory
...answered Jul 26 '15 at 3:05
PythonerPythoner
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Mocha / Chai expect.to.throw not catching thrown errors
...or. If I try the above approach, it is "Timing out" as we have to notify "done" to mocha. At the same time, I can't try expect(function(){ model.get('z'); }).to.throw('Property does not exist in model schema.').notify(done); As there is no notify method.
– Anand N
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Why is Go so slow (compared to Java)?
...The Computer Language Benchmarks Game are not that optimized as C and Java ones are.
– el.pescado
Apr 24 '10 at 12:58
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How do I find all of the symlinks in a directory tree?
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One command, no pipes
find . -type l -ls
Explanation: find from the current directory . onwards all references of -type link and list -ls those in detail.
Plain and simple...
Expanding upon this answer, here are a couple ...
Sending email with PHP from an SMTP server
...e host, username and password (and maybe the port if it is not the default one - 25).
For example, I usually use PHPMailer with similar settings to this ones:
$mail = new PHPMailer();
// Settings
$mail->IsSMTP();
$mail->CharSet = 'UTF-8';
$mail->Host = "mail.example.com"; // SMTP ...
How is this fibonacci-function memoized?
...(n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where xs = 0:1:map fib [2..]
The trick is to cause that list to get created, ...
Difference between classification and clustering in data mining? [closed]
Can someone explain what the difference is between classification and clustering in data mining?
21 Answers
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