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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...t to use it if only to keep the compiler quiet.
From a purely stylistic point-of-view, including the virtual keyword clearly 'advertises' the fact to the user that the function is virtual. This will be important to anyone further sub-classing B without having to check A's definition. For deep cl...
Get current AUTO_INCREMENT value for any table
...REMENT column as a result of the most recently executed INSERT statement." Intuitive! dev.mysql.com/doc/refman/5.6/en/…
– Charlie
Jun 12 '15 at 22:04
...
Passing an integer by reference in Python
How can I pass an integer by reference in Python?
11 Answers
11
...
ASP.NET MVC Ajax Error handling
...om action filter on the server which catches exception and transforms them into JSON response:
public class MyErrorHandlerAttribute : FilterAttribute, IExceptionFilter
{
public void OnException(ExceptionContext filterContext)
{
filterContext.ExceptionHandled = true;
filterCo...
Rank items in an array using Python/NumPy, without sorting array twice
...a)
Out[24]: array([ 3., 2., 4., 1.])
In [25]: (rankdata(a) - 1).astype(int)
Out[25]: array([2, 1, 3, 0])
A nice feature of rankdata is that the method argument provides several options for handling ties. For example, there are three occurrences of 20 and two occurrences of 40 in b:
In [26]: ...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...n g:
yield v
wrap = reader_wrapper(reader())
for i in wrap:
print(i)
# Result
<< 0
<< 1
<< 2
<< 3
Instead of manually iterating over reader(), we can just yield from it.
def reader_wrapper(g):
yield from g
That works, and we eliminated one line of code....
How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
...,
data_externalid = "23521"
}
)
The _ will automatically be converted to - in the resulting markup:
<input type="checkbox" name="MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" />
And that's true for all Html helpers taking a htmlAttributes anonymous object...
Return anonymous type results?
...t supported by some LINQ providers, couldn't you select an anonymous type, convert it to IEnumerable, then select a tuple from that?
– TehPers
Nov 27 '17 at 19:07
...
SSH Key - Still asking for password and passphrase
...
See this github doc to convert remote's URL from https to ssh. To check if remote's URL is ssh or https, use git remote -v. To switch from https to ssh: git remote set-url origin git@github.com:USERNAME/REPOSITORY.git
– Manav...
jQuery AJAX file upload PHP
...aterialise
Click Here to Download
When you select image the image will be Converted in base 64 and you can store this in to database so it will be light weight also.
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