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How do you know when to use fold-left and when to use fold-right?
...accumulator function x
fold x [A, B, C, D]
thus equals
A x B x C x D
Now you just have to reason about the associativity of your operator (by putting parentheses!).
If you have a left-associative operator, you'll set the parentheses like this
((A x B) x C) x D
Here, you use a left fold. Ex...
Google Authenticator implementation in Python
...s),
Parameters
When it comes to parameters:
secret is a secret value known to server (the above script) and client (Google Authenticator, by providing it as password within application),
intervals_no is the number incremeneted after each generation of the token (this should be probably resolved...
Java heap terminology: young, old and permanent generations?
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excellent..may i know where method area, nativestack and runtime constant pool resides in this picture? and what they hold accordingly?
– user6091735
Jun 9 '17 at 5:58
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How to resize superview to fit all subviews with autolayout?
...'s tip finally nailed it. Thanks for sharing that man. I got non-zero size now either against the sizingCell or its contentView.
– MkVal
Jan 22 '15 at 9:21
1
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Use images instead of radio buttons
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I have this working for a set of 3 smiley faces. Now I need to have multiple rows on one form, each with their own set of smiley faces. My problem is that when one row is changed, they all change. Any ideas what part needs to be modified to accomplish this?
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Explain which gitignore rule is ignoring my file
...scussions / waiting, I'm delighted to be able to say that this feature has now reached git's master branch, and will be available in the next release (1.8.2, expected 8th March 2013). Here's the check-ignore manual page. Phew, that was way more work than I expected!
UPDATE 4: If you're interested...
Code-first vs Model/Database-first [closed]
...st a storage with no logic. EF will handle creation and you don't want to know how it does the job.
Manual changes to database will be most probably lost because your code defines the database.
Database first
Very popular if you have DB designed by DBAs, developed separately or if you have exist...
Why is list initialization (using curly braces) better than the alternatives?
...an call completely different functions, and this is an important thing to know. It can even result in calls that seem unintuitive. Saying that you should prefer {} by default will lead to people misunderstanding what's going on. This isn't your fault, though. I personally think it's an extremely poo...
Should *.xccheckout files in Xcode5 be ignored under VCS?
...ies, the presence of an .xccheckout file in the workspace allows Xcode to know what all of the components that make up a workspace are and where to get them.
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No == operator found while comparing structs in C++
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@Jonathan: Why would C++ know how you want to compare your structs for equality? And if you want the simple way, there's always memcmp so long your structs don't contain pointer.
– Xeo
Apr 21 '11 at 6:59
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