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What does template mean?
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template<void (*F)()>
struct FunctionWrapper {
static void call_it() { F(); }
};
// pass address of function do_it as argument.
void do_it() { }
FunctionWrapper<&do_it> test;
Template reference parameter (passing an integer)
template<int &A>
struct SillyExample {
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How to select only the records with the highest date in LINQ
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@JasonL, no. The First() call should apply to the g.Order... expression (subquery).
– Mehrdad Afshari
Aug 29 '13 at 8:04
1
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How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
...n't pickup changes to the version of an existing dependency (I have to manually change the various .iml and .idea/libraries/SBT_SBT_.xml to the new version number). I'd like to follow up on that ticket.
– David B.
Dec 7 '13 at 3:50
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Is there a way to iterate over a slice in reverse in Go?
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How about use defer:
s := []int{5, 4, 3, 2, 1}
for i, _ := range s {
defer fmt.Println(s[i])
}
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Bash: Copy named files recursively, preserving folder structure
... You can also use the -C option to do the chdir for you - tar cf - _files_ | tar -C /dest xf - or something like that.
– D.Shawley
Oct 30 '09 at 15:05
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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...
Select 50 items from list at random to write to file
...opulation unchanged. The resulting list is
in selection order so that all sub-slices will also be valid random
samples. This allows raffle winners (the sample) to be partitioned
into grand prize and second place winners (the subslices).
Members of the population need not be hashab...
How to convert JSON to a Ruby hash
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Assuming you have a JSON hash hanging around somewhere, to automatically convert it into something like WarHog's version, wrap your JSON hash contents in %q{hsh} tags.
This seems to automatically add all the necessary escaped text like in WarHog's answer.
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how to use javascript Object.defineProperty
...rs = new Product("Sneakers",20);
sneakers.discount = 50; // 50, setter is called
sneakers.discount+= 20; // 70, setter is called
sneakers.discount+= 20; // 80, not 90!
alert(sneakers.discount); // getter is called
Note the last but one line: the responsibility for correct discount value was moved ...