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Why use finally in C#?
...housekeeping functions you need to always run like closing connections.
Now, I'm guessing your question is why you should do this:
try
{
doSomething();
}
catch
{
catchSomething();
}
finally
{
alwaysDoThis();
}
When you can do this:
try
{
doSomething();
}
catch
{
catchSomet...
What does it mean to “program to an interface”?
... CallDuringDinner();
ContinueTalkingWhenYouSayNo();
}
}
We now have two classes that can each be annoying in their own way. And they do not need to derive from the same base class and share common inherent characteristics -- they simply need to satisfy the contract of IPest -- that ...
Drop all duplicate rows across multiple columns in Python Pandas
...
This is much easier in pandas now with drop_duplicates and the keep parameter.
import pandas as pd
df = pd.DataFrame({"A":["foo", "foo", "foo", "bar"], "B":[0,1,1,1], "C":["A","A","B","A"]})
df.drop_duplicates(subset=['A', 'C'], keep=False)
...
How can I make PHP display the error instead of giving me 500 Internal Server Error [duplicate]
This has never happened before. Usually it displays the error, but now it just gives me a 500 internal server error. Of course before, when it displayed the error, it was different servers. Now I'm on a new server (I have full root, so if I need to configure it somewhere in the php.ini, I can.) Or p...
Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
...hat happens when the 1.9 branch gets updated because the package feed will now be on the 2.0+ track. I assume you'll have to switch to a new nuget package specifically written to support the 'legacy' 1.x version, or copy the script in manually each time.
In any case, I'll update this when I learn m...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...h it again soon with my own business. If you have some network technical knowledge, it really isn't that bad. Otherwise you will be better off using Paypal or another type of service.
The process starts by getting a merchant account setup and tied to your bank account. You may want to check with...
Edit the root commit in Git?
...
As of Git version 1.7.12, you may now use
git rebase -i --root
Documentation
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Why use the params keyword?
I know this is a basic question, but I couldn't find an answer.
10 Answers
10
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ModelState.IsValid == false, why?
...eturn Values.All(modelState => modelState.Errors.Count == 0);
}
}
Now, it looks like it can't be. Well, that's for ASP.NET MVC v1.
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LINQ-to-SQL vs stored procedures? [closed]
...e gets cluttered quick. (3) You've written a powerful select statement but now you want the user to be able to pick the column that gets sorted - in TSQL you might have to use a CTE that does a row_number over each column that could be sorted; in LINQ it can be solved with a few if statements in an ...