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Why is “except: pass” a bad programming practice?
... catch any error
When using a try block, you usually do this because you know that there is a chance of an exception being thrown. As such, you also already have an approximate idea of what can break and what exception can be thrown. In such cases, you catch an exception because you can positively ...
Git mergetool with Meld on Windows
...meld
[mergetool "meld"]
path = C:\\Program Files (x86)\\Meld\\Meld.exe
Now call git difftool in Git Bash for Windows and Meld will open up as your default difftool viewer.
Linux:
UPDATE 20 Sept. 2019:
- I might as well put the Linux version here too for my own reference in one place if nothi...
Is there a timeout for idle PostgreSQL connections?
...n wait for the message over queue and then perform some more dml operation.Now during that period i.e while it is waiting over queue(for message) as mention above even then the connection with postges is idle. why should i close it.
– Viren
Apr 15 '16 at 18:13
...
Why are trailing commas allowed in a list?
... items.
l1 = [
1,
2,
3,
4,
5
]
# Now you want to rearrange
l1 = [
1,
2,
3,
5
4,
]
# Now you have an error
But if you allow trailing commas, and use them, you can easily rearrange the lines without introducing an er...
Testing if object is of generic type in C#
...
I assume that you don't just want to know if the type is generic, but if an object is an instance of a particular generic type, without knowing the type arguments.
It's not terribly simple, unfortunately. It's not too bad if the generic type is a class (as it is...
What is the alternative for ~ (user's home directory) on Windows command prompt?
...ces as well, where my previous answer would fail.
In addition, this one now is also able to use ~ as a prefix for other home sub-folders too, and it swaps forward-slashes to back-slashes as well. So here it is;
Step 1. Create these doskey macros, somewhere they get picked up every time cmd sta...
Pass ruby script file to rails console
... Thanks a lot that does a job! I am using Sublime Text 2 so now I will be able to trigger builds of rails classes and see output directly in IDE :)
– Haris Krajina
Apr 25 '12 at 15:04
...
How is attr_accessible used in Rails 4?
...
Rails 4 now uses strong parameters.
Protecting attributes is now done in the controller. This is an example:
class PeopleController < ApplicationController
def create
Person.create(person_params)
end
private
def pe...
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 ...
Vim: Move window left/right?
... vertical split, then create a horizontal split within one of the columns. Now use <c-w> r and it only cycles the two windows within the one vertical split.
– Chev
Dec 19 '13 at 18:08
...