大约有 45,000 项符合查询结果（耗时：0.0413秒） [XML]
C++11 reverse range-based for-loop
...
Hm, if you put this in a header, you're using namespace std in a header, which is not a good idea. Or am I missing something?
– estan
Oct 21 '17 at 9:46
...
How to prevent XSS with HTML/PHP?
...owever, when you need to allow HTML input things get a little trickier and if this is the case I recommend you use something like htmlpurifier.org
– Alix Axel
Jan 3 '10 at 20:23
...
Is there a Python equivalent of the C# null-coalescing operator?
...
other = s or "some default value"
Ok, it must be clarified how the or operator works. It is a boolean operator, so it works in a boolean context. If the values are not boolean, they are converted to boolean for the purposes of the operator.
Note that the or operator does not r...
Extension methods cannot be dynamically dispatched
...Cast the dynamic types to actual types, and it will work.
From what I see now, I'd say:
(string) ViewBag.MagNo
Which would result in
@foreach (var item in Model)
{
@Html.DropDownListFor(modelItem => item.TitleIds,
new SelectList(ViewBag.TitleNames as System.Collections.IEnumerabl...
Visual Studio can't build due to rc.exe
...this:
Microsoft left a few things out of their MSVT package. Since no one knows whether they were left out by mistake or for license reasons, no one with MSVC is too interested in giving them out. A few Google searches turn up some tricky sources. Fortunately, Microsoft has finally wised up and solv...
Meaning of 'const' last in a function declaration of a class?
...can change the instance members, which you cannot do in the const version. If you change the method declaration in the above example to the code below you will get some errors.
void Foo()
{
counter++; //this works
std::cout << "Foo" << std::endl;
}
v...
Capturing URL parameters in request.GET
...GET.get('q', '').
q is the parameter you want, and '' is the default value if q isn't found.
However, if you are instead just configuring your URLconf**, then your captures from the regex are passed to the function as arguments (or named arguments).
Such as:
(r'^user/(?P<username>\w{0,50})/$',...
How to convert a string to utf-8 in Python
...icode_string)
(<type 'str'>, <type 'unicode'>)
^ This is the difference between a byte string (plain_string) and a unicode string.
>>> s = "Hello!"
>>> u = unicode(s, "utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. Th...
Resetting generator object in Python
...p:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
share
|
improve this answer
|
follow
...
PowerShell: Run command from script's directory
... to the correct folder
Push-Location $folder
# do stuff, call ant, etc
# now back to previous directory
Pop-Location
There's probably other ways of achieving something similar using Invoke-Command as well.
share
...