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using extern template (C++11)
...ern template to force the compiler to not instantiate a template when you know that it will be instantiated somewhere else. It is used to reduce compile time and object file size.
For example:
// header.h
template<typename T>
void ReallyBigFunction()
{
// Body
}
// source1.cpp
#inclu...
Add a duration to a moment (moment.js)
...d compare those, or you could just use the .isSame() method.
Your code is now:
var timestring1 = "2013-05-09T00:00:00Z";
var timestring2 = "2013-05-09T02:00:00Z";
var startdate = moment(timestring1);
var expected_enddate = moment(timestring2);
var returned_endate = moment(startdate).add(2, 'hours'...
What is the global interpreter lock (GIL) in CPython?
... come across the GIL unless you're writing a C extension" - You might not know that the cause of your multi-threaded code running at a snails pace is the GIL, but you'll certainly feel its effects. It still amazes me that to take advantage of a 32-core server with Python means I need 32 processes wi...
Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...ocesses. And that's why I ask the question in the first place: I want to know how they approach a problem, and how they proceed when I cast doubt on the way their world works.
At this point, most candidates realize their error and find the correct answer. But I had one who insisted his original a...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
... the red background extends behind the navigation bar and the status bar.
Now, you are going to set that value to UIRectEdgeNone, so you are telling the view controller to not extend the view to cover the screen:
UIViewController *viewController = [[UIViewController alloc] init];
viewController.vi...
List comprehension on a nested list?
...s actually same as :
New_list=[]
for x in l:
New_list.append(x)
And now nested list comprehension :
[[float(y) for y in x] for x in l]
is same as ;
new_list=[]
for x in l:
sub_list=[]
for y in x:
sub_list.append(float(y))
new_list.append(sub_list)
print(new_list)
o...
How can I default a parameter to Guid.Empty in C#?
...defined as static readonly not as const). Compiler can only have compiler-known values as method parameters default values (not runtime-only-known).
The root cause is that you cannot have a const of any struct, unlike enum for example. If you try it, it will not compile.
The reason once more is th...
Equivalent of varchar(max) in MySQL?
...ATE TABLE foo ( v VARCHAR(65532) );
Query OK, 0 rows affected (0.01 sec)
Now if we try to use a multibyte charset at the table level, we find that it counts each character as multiple bytes. UTF8 strings don't necessarily use multiple bytes per string, but MySQL can't assume you'll restrict all yo...
Scripting Language vs Programming Language [closed]
...mentation was entirely interpreted (a "scripting" language), but there are now multiple compilers for it.
Some examples of "scripting" languages (e.g., languages that are traditionally used without an explicit compilation step):
Lua
JavaScript
VBScript and VBA
Perl
And a small smattering of one...
What are the obj and bin folders (created by Visual Studio) used for?
I created a new project in Visual Studio 2010 and noticed that there are now two new folders named obj and bin in my project directory.
...