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std::function and std::bind: what are they, and when should they be used?
...nt you to these two links for further details:
Lambda functions in C++11:
http://www.nullptr.me/2011/10/12/c11-lambda-having-fun-with-brackets/#.UJmXu8XA9Z8
Callable entity in C++:
http://www.nullptr.me/2011/05/31/callable-entity/#.UJmXuMXA9Z8
...
How to write PNG image to string with the PIL?
...n on image")
byte_io = BytesIO()
image.save(byte_io, 'PNG')
Read more: http://fadeit.dk/blog/post/python3-flask-pil-in-memory-image
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is not JSON serializable
...objects:
data = serializers.serialize('json', self.get_queryset())
return HttpResponse(data, content_type="application/json")
In your case, self.get_queryset() contains a mix of django objects and dicts inside.
One option is to get rid of model instances in the self.get_queryset() and replace th...
Stopping fixed position scrolling at a certain point?
...
Do you mean sort of like this?
http://jsfiddle.net/b43hj/
$(window).scroll(function(){
$("#theFixed").css("top", Math.max(0, 250 - $(this).scrollTop()));
});
$(window).scroll(function(){
$("#theFixed").css("top", Math.max(0, 100 - $(this).s...
What are naming conventions for MongoDB?
... in the following example:
use myDB
use myNewDB
Content from: https://docs.mongodb.com/manual/core/databases-and-collections/#databases
COLLECTIONS
Lowercase names: avoids case sensitivity issues, MongoDB collection names are case sensitive.
Plural: more obvious to label a col...
How do I get today's date in C# in mm/dd/yyyy format?
...
DateTime.Now.ToString("M/d/yyyy");
http://msdn.microsoft.com/en-us/library/8kb3ddd4.aspx
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Server.MapPath(“.”), Server.MapPath(“~”), Server.MapPath(@“\”), ...
... application)
An example:
Let's say you pointed a web site application (http://www.example.com/) to
C:\Inetpub\wwwroot
and installed your shop application (sub web as virtual directory in IIS, marked as application) in
D:\WebApps\shop
For example, if you call Server.MapPath() in following ...
How can I exclude $(this) from a jQuery selector?
...e.preventDefault();
$(this).siblings().hide('slow');
});
Working demo: http://jsfiddle.net/wTm5f/
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Who wrote this programing saying? “Always code as if the guy who ends up maintaining your code will
... @Thorbjørn Seems to be Google's fault. The link can be fixed by changing http://groups.google.com/group/comp.lang.c%2B%2B... to http://groups.google.com/group/comp.lang.c++...
– Jason Plank
Sep 6 '11 at 16:37
...
What's the use of do while(0) when we define a macro? [duplicate]
...be executed regardless of whether foo holds.
Edit: Further explanation at http://c-faq.com/cpp/multistmt.html and http://developer.apple.com/documentation/DeveloperTools/gcc-4.0.1/cpp/Swallowing-the-Semicolon.html#Swallowing-the-Semicolon
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