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Python: Is it bad form to raise exceptions within __init__?
...t have been designed with exception safety in mind, the destructor is not called if an exception is thrown in the constructor of an object (meaning that the initialization of the object is incomplete). This is often not the case in scripting languages, such as Python. For example, the following code...
Calling a class function inside of __init__
...
Call the function in this way:
self.parse_file()
You also need to define your parse_file() function like this:
def parse_file(self):
The parse_file method has to be bound to an object upon calling it (because it's not a ...
What's your most controversial programming opinion?
...ng memory leaks in C / C++ cannot fully appreciate what Java brings to the table.
Also the natural progression should be from "how can I do this" to "how can I find the library which does that" and not the other way round.
...
Add spaces before Capital Letters
... (I even voted up Martin Browns answer), but they are expensive (and personally I find any pattern longer than a couple of characters prohibitively obtuse)
This function
string AddSpacesToSentence(string text, bool preserveAcronyms)
{
if (string.IsNullOrWhiteSpace(text))
return...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
...use the dm_exec_sessions DMV, replacing the deprecated sysprocesses system table:
USE [master];
GO
DECLARE @Kill VARCHAR(8000) = '';
SELECT
@Kill = @Kill + 'kill ' + CONVERT(VARCHAR(5), session_id) + ';'
FROM
sys.dm_exec_sessions
WHERE
database_id = DB_ID('<YourDB>');
EXEC sys....
Why can't C++ be parsed with a LR(1) parser?
...terministic parser with an extra hack: they intertwine parsing with symbol table
collection... so that by the time "x" is encountered,
the parser knows if x is a type or not, and can thus
choose between the two potential parses. But a parser
that does this isn't context free, and LR parsers
(the pu...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
... face is data purity: sometimes the parameters received or the data in the tables are just plain wrong, resulting in duplicate key errors, referential constrain errors, check constrain errors and so on and so forth. After all, that's exactly the role of these constrains, if these data purity errors ...
Shards and replicas in Elasticsearch
...e need to create an index.
When you create an index (an index is automatically created when you index the first document as well) you can define how many shards it will be composed of. If you don't specify a number it will have the default number of shards: 5 primaries. What does it mean?
It mean...
How do I clone a specific Git branch? [duplicate]
...er
origin/HEAD
origin/enum-account-number
origin/master
origin/rel_table_play
origin/sugarfield_customer_number_show_c
So to create a new branch based on my enum-account-number branch I do:
git checkout -b enum-account-number origin/enum-account-number
After you hit return the following ...
Best way to store JSON in an HTML attribute?
...ld encode + to prevent UTF-7 attacks.
In any case, the following escaping table will work:
NUL -> \u0000
CR -> \n or \u000a
LF -> \r or \u000d
" -> \u0022
& -> \u0026
' -> \u0027
+ -> \u002b
/ -> \/ or \u002f
< -> \u003c
> -> \u003e
\ -> \\ or \u005c
U+2...