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Difference between . and : in Lua
...ccessing obj
--> 20
tab.obj:method(10)
--> Accessing obj
--> 10
Now imagine the __index metamethod did more than just printing something. Imagine it increased a counter, logged something to a file or deleted a random user from your database. There's a big difference between doing that twi...
How to get the separate digits of an int number?
...ng, then chars() method to get an IntStream (each char from your string is now an Ascii number), then you need to run map() method to get a numeric values of the Ascii number. At the end you use toArray() method to change your stream into an int[] array.
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How to create NSIndexPath for TableView
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For Swift 3 it's now: IndexPath(row: rowIndex, section: sectionIndex)
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In Ruby how do I generate a long string of repeated text?
...string replication. When you reverse the expression, we get 999999.*("0"). Now we are talking about the * method in the FixNum class, and that method refuses to take strings as arguments. It certainly could (for example, automatically making a best-effort to convert the argument to a FixNum) but the...
Java Round up Any Number
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I don't know why you are dividing by 100 but here my assumption int a;
int b = (int) Math.ceil( ((double)a) / 100);
or
int b = (int) Math.ceil( a / 100.0);
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setTimeout or setInterval?
...r for many years was IE Mobile in WinMo <6.5, but hopefully that too is now behind us.
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How to select only the records with the highest date in LINQ
...fshari thats amazing, I wanted the second one primarily but they are both now in my snippets as so very useful. Thank you, thank you, thank you!!!!!
– Andrew Day
Aug 23 '16 at 13:24
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Recursive lambda functions in C++11
...ever it's initialized with, but what you're initializing it with needs to know what its type is (in this case, the lambda closure needs to know the types it's capturing). Something of a chicken-and-egg problem.
On the other hand, a fully specified function object's type doesn't need to "know" anyt...
Rails Model find where not equal
...w can I find records in my database on a not equal condition? I have this now, but is there a fancy rails-speak way of doing it?
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Where does Visual Studio look for C++ header files?
...about what the kind of curiosity I had: I found that the MSDN didn't even knows it's own header names! I.e. they referred to Iphlpapi.h, but such a file not exist, it's name is rather iphlpapi.h, either IPHlpApi.h(both are there)! lol
– Hi-Angel
Sep 3 '14 at 8:...