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What is a Y-combinator? [closed]
...only functions of 1 variables and no
assignments, defining things by name, etc. (Why this is our
goal is another question, let's just take this as the
challenge that we're given.) Seems impossible, huh? As
an example, let's implement factorial.
Well step 1 is to say that we could do this easily ...
How do I verify jQuery AJAX events with Jasmine?
...ite tests for each response that you want: success, failure, unauthorized, etc.
It takes Ajax calls out of the realm of asynchronous tests and provides you a lot of flexibility for testing how your actual response handlers should work.
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Are duplicate keys allowed in the definition of binary search trees?
... the count? What if the tree needs to rebalance that node to a lower level etc.?
– Andrew
Sep 16 at 1:01
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Quickly reading very large tables as dataframes
...eful to add benchmarks for optimized fread usage -- specifying colClasses, etc.
– MichaelChirico
Feb 7 '16 at 20:23
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Is there a way to crack the password on an Excel VBA Project?
...he source modules but receive another error when trying to open forms/code/etc. To remedy this, go back to the VBA Project Properties and set the password to a new value. Save and re-open the Excel document and you should be good to go!
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Fragment onCreateView and onActivityCreated called twice
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you can also use fragment.getClass().getName() if you want to remove the class variable and remove a parameter from the call
– Ben Sewards
Jul 25 '13 at 13:26
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What's the difference between SoftReference and WeakReference in Java?
...e cached
reflection information about a class, or a wrapper for an object, etc.
Anything that makes no sense to keep after the object it is associated
with is GC-ed. When the weak reference gets cleared, it gets enqueued in a
reference queue that your code polls somewhere, and it discards the
associ...
Why hasn't functional programming taken over yet?
... Mainstream languages keep getting more Smalltalk-like with C++, Java, C#, etc. Fashion and style change slower than anything, so when OO went mainstream, we got it by gluing parts of OO to old languages so it looked enough like C to swallow.
Functional is the same way. Haskell was a great functi...
MyISAM versus InnoDB [closed]
...
People often talk about performance, reads vs. writes, foreign keys, etc. but there's one other must-have feature for a storage engine in my opinion: atomic updates.
Try this:
Issue an UPDATE against your MyISAM table that takes 5 seconds.
While the UPDATE is in progress, say 2.5 seconds i...
How do I add a submodule to a sub-directory?
...own git repo. I created a repo in the subfolder, was able to commit, push, etc just fine. But in the parent repo the subfolder wasn't treated as a submodule, and its files were still being tracked by the parent repo - no good.
To get out of this mess I had to tell Git to stop tracking the subfolder...