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Add column with constant value to pandas dataframe [duplicate]
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passport.js RESTful auth
... oversight or error. When handling the Facebook login (or Github, twitter, etc), it would be much preferred to pass the token back to the client in a cookie and to then delete the cookie on the client-side once it is discovered. Passing the token as a part of the URL string will add this URL to the ...
How to create a sequence of integers in C#?
...rhaps you want somthing like.
using System.Threading;
private static int orderNumber = 0;
int Seq()
{
return Interlocked.Increment(ref orderNumber);
}
When you call Seq() it will return the next order number and increment the counter.
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file_put_contents(meta/services.json): failed to open stream: Permission denied
...lving the problem! Do we need to do something before/after Your command in order to reverse the chmod 777 consequences?
– Aleksandar
Apr 18 '18 at 12:53
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In an array of objects, fastest way to find the index of an object whose attributes match a search
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Maybe you would like to use higher-order functions such as "map".
Assuming you want search by 'field' attribute:
var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];
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std::wstring VS std::string
... than the same UTF-16 one.
Still, for other languages (chinese, japanese, etc.), the memory used will be either the same, or slightly larger for UTF-8 than for UTF-16.
All in all, UTF-16 will mostly use 2 and occassionally 4 bytes per characters (unless you're dealing with some kind of esoteric la...
How to locate the git config file in Mac [duplicate]
...m --edit to find the location of the system config which was in /usr/local/etc/gitconfig in my case. I had no Idea to look there. (opens the file in vim then 1 followed by control + g shows the path of the file)
– Touten
Aug 3 at 2:54
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What does a type followed by _t (underscore-t) represent?
...mes i, j, and k for temporary loop variables.
In code where word-size and ordering is important, it's very common to use custom defined types that are explicit, such as BYTE WORD (normally 16-bit) DWORD (32-bits).
int_t is not so good, because the definition of int varies between platforms -- s...
What does the plus sign do in '+new Date'
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Generating file to download with Django
... urllib
def random_header_image(request):
header = PageHeader.objects.order_by('?')[0]
image = StringIO(file(header.image.path, "rb").read())
mimetype = mimetypes.guess_type(os.path.basename(header.image.name))[0]
return HttpResponse(image.read(), mimetype=mimetype)
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