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Haskell composition (.) vs F#'s pipe forward operator (|>)
...s pipelining, so that a known type appears on the left (see here).
(Personally, I find points-free style unreadable, but I suppose every new/different thing seems unreadable until you become accustomed to it.)
I think both are potentially viable in either language, and history/culture/accident may...
mysql check collation of a table
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The above answer is great, but it doesn't actually provide an example that saves the user from having to look up the syntax:
show table status like 'test';
Where test is the table name.
(Corrected as per comments below.)
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Where is the “Fold” LINQ Extension Method?
I found in MSDN's Linq samples a neat method called Fold() that I want to use. Their example:
2 Answers
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Android Layout with ListView and Buttons
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That's what I've basically been using, though I'm writing the layout in Java. The listView still extends over the buttons.
– Kleptine
Mar 5 '10 at 1:28
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Check if at least two out of three booleans are true
...he following on my machine (running Ubuntu on Intel Core 2 + sun java 1.6.0_15-b03 with HotSpot Server VM (14.1-b02, mixed mode)):
First and second iterations:
a&&b || b&&c || a&&c : 1740 ms
a ? b||c : b&&c : 1690 ms
a&b | b&c | c&a : 835 ms
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How to pass object with NSNotificationCenter
...when you do the addObserver(). The receiveTestNotification should only be called when observing a specific notification.
– Johan Karlsson
Feb 17 '16 at 15:06
1
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Setting JDK in Eclipse
...f available compilers in the Window -> Preferences -> Java -> Installed JRE's tab.
In the project build path configuration dialog, under the libraries tab, you can delete the entry for JRE System Library, click on Add Library and choose the installed JRE to compile with. Some compilers ca...
Java8 Lambdas vs Anonymous classes
... been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to.
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What does an exclamation mark mean in the Swift language?
...pple have chosen to declare the types as implicitly unwrapped, making the calling code more convenient, but less safe.
Perhaps Apple might comb through their frameworks in the future, removing the uncertainty of implicitly unwrapped ("probably never nil") parameters and replacing them with optional...
C++ unordered_map using a custom class type as the key
...rrides operator(), or as a specialization of std::equal, or – easiest of all – by overloading operator==() for your key type (as you did already).
The difficulty with the hash function is that if your key type consists of several members, you will usually have the hash function calculate hash ...