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Defining static const integer members in class definition
My understanding is that C++ allows static const members to be defined inside a class so long as it's an integer type.
7 An...
Timer function to provide time in nano seconds using C++
... taken for such an action is in the space of nano seconds. As the API is a C++ class/function, I am using the timer.h to caculate the same:
...
Alternative to google finance api [closed]
...8", "After Hours Change (Realtime)"]],
#["noname", ["m5", "Change From 200 Day Moving Average"]],
#["noname", ["c3", "Commission"]],
#["noname", ["m6", "Percent Change From 200 Day Moving Average"]],
#["noname", ["g", "Day’s Low"]],
#["noname", ["m7", "Change From 50 Day Moving...
What's the fastest way to do a bulk insert into Postgres?
...2, fieldname3)
VALUES (
UNNEST(ARRAY[1, 2, 3]),
UNNEST(ARRAY[100, 200, 300]),
UNNEST(ARRAY['a', 'b', 'c'])
);
without VALUES using subselect with additional existance check:
INSERT INTO tablename (fieldname1, fieldname2, fieldname3)
SELECT * FROM (
SELECT UNNEST(ARRAY[1, 2, 3]),...
How can I check if a value is a json object?
...e: 'json',
// "sucess" will be executed only if the response status is 200 and get a JSON
success: function (json) {},
// "error" will run but receive state 200, but if you miss the JSON syntax
error: function (xhr) {}
});
...
Why does integer overflow on x86 with GCC cause an infinite loop?
...that, and disregarding x86 bcd operations (not permitted representation in C++) x86 integer ops always wrap, because they're two's complement. you're mistaking g++ faulty (or extremely impractical and nonsense) optimization for a property of x86 integer ops.
– Cheers and hth. -...
What do the makefile symbols $@ and $< mean?
...p
pro: very easy to read
con: maintenance nightmare, duplication of the C++ dependencies
con: efficiency problem, we recompile all C++ even if only one was changed
To improve on the above, we only compile those C++ files that were edited. Then, we just link the resultant object files together.
...
Unable to execute dex: GC overhead limit exceeded in Eclipse
...launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.v20140116-2212
-product
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmarg...
C++ preprocessor __VA_ARGS__ number of arguments
...
....but now is standard in C++0x and should've been longer ago because it allows a great way to guard varadic functions from corrupted calls (ie, you can pass values after the varadic items. This is actually a way of getting the count i used to use, bu...
Animate element to auto height with jQuery
I want to animate a <div> from 200px to auto height. I can’t seem to make it work though. Does anyone know how?
...