Questions by Beryl Klein
No authenticationScheme was specified, and there was no DefaultChallengeScheme found with default authentification and custom authorization?
I have a .NET Core 2.0 app and have a problem with authorization. I want to use custom authorization with special re...
How can I open a .tex file??
I'm trying to open a .tex file. I'm not sure I've got to the bottom of the (possibly) surprisingly complex process....
SQL Server: Get data for only the past year?
I am writing a query in which I have to get the data for only the last year. What is the best way to do this? SELEC...
Should I use Bootstrap from CDN or make a copy on my server??
What's the best practice of using Twitter Bootstrap, refer to it from CDN or make a local copy on my server? Since ...
How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic in matplotlib)?
To remove frame in figure, I write frameon=False works perfect with pyplot.figure, but with matplotlib.Figure it...
Unable to load DLL 'SQLite.Interop.dll'?
Periodically I am getting the following exception: Unable to load DLL 'SQLite.Interop.dll': The specified module co...
How to downgrade from Internet Explorer 11 to Internet Explorer 10??
As a developer, I found the new Internet Explorer version to be a complete nightmare. I turned the windows feature ...
How can we make list-group horizontal with Bootstrap 4?
With Bootstrap 4, the list-group component is very rich with design aesthetics, such as with borders, background col...
How can I detect whether a variable exists in Flask session??
I would like to detect if a session['logged_in'] key exists, which means my user has already logged in. For Example...
Difference between & and && in C??
What is the difference between & and && in C? My teacher gave me this example: int a = 8; int b = 4; p...
Create list of single item repeated N times?
I want to create a series of lists, all of varying lengths. Each list will contain the same element e, repeated n ti...
Python pandas Filtering out nan from a data selection of a column of strings?
Without using groupby how would I filter out data without NaN? Let say I have a matrix where customers will fill in...
how to realize countifs function (excel) in R?
I have a dataset containing 100000 rows of data. I tried to do some countif operations in Excel, but it was prohibit...
How can I center <ul> <li> into div?
How can I center an unordered list of <li> into a fixed-width div? <table width="100%"> <tbod...
How do I close all open tabs at once??
If I have 10 tabs opened, I have to close each one using ":q" separately. How can I close them all at once? ...