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Difference between 'struct' and 'typedef struct' in C++?
..., so you can add a typedef:
struct Foo { ... };
typedef struct Foo Foo;
Now struct Foo (in the tag namespace) and just plain Foo (in the ordinary identifier namespace) both refer to the same thing, and you can freely declare objects of type Foo without the struct keyword.
The construct:
typed...
Use a URL to link to a Google map with a marker on it
... this answer is outdated thanks to a new bug/feature in google maps, it now looks for the nearest address or something. to prevent this, prepend you coordinates with a "loc:". maps.google.com/maps?q=loc:36.26577,-92.54324
– peter
Apr 5 '14 at 22:15
...
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...
[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
...
I followed the guide and now I can't run my site in debug mode - tells me "... Project with output type of Class Library cannot be started..."
– Matt
Sep 2 '14 at 19:35
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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...
When should I use a composite index?
...in the original post. My query is to return homes within a square grid. I know about spatial and I'm not trying to calculate distances. I simply want to know if using a composite index make sense when I'm trying to display all homes within a particular geo grid (e.g. neighborhood/city/county)
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jQuery’s .bind() vs. .on()
... mouseup: function() {
},
mousedown: function() {
}
});
You know right away it's delegated because, well, it says delegate. You also instantly see the selector.
With .on it's not immediately clear if it's even delegated and you have to look at the end for the selector:
$(elem).on({
...
Possible heap pollution via varargs parameter
...hat were completely pointless but had to be suppressed at every call site. Now the API author can suppress it once at the declaration site.
However, if the method actually is not safe, users will no longer be warned.
share
...
Pseudo-terminal will not be allocated because stdin is not a terminal
...aving a similar issue in a script that is run here. I added the -t -t but now I am getting a new error. "tcgetattr: Inappropriate ioctl for device"
– MasterZ
Dec 18 '12 at 19:32
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Using varchar(MAX) vs TEXT on SQL Server
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I didn't know that it would store in the page at 8k, and out of the page if larger. Very cool.
– Brain2000
May 11 '12 at 18:35
...