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Checking Bash exit status of several commands efficiently
Is there something similar to pipefail for multiple commands, like a 'try' statement but within bash. I would like to do something like this:
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What is PAGEIOLATCH_SH wait type in SQL Server?
...;value> order by <PrimaryKey>. We also have an index on just col1 and have tried rebuilding the index.
– Ryan
Mar 9 '09 at 15:36
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Is module __file__ attribute absolute or relative?
I'm having trouble understanding __file__ . From what I understand, __file__ returns the absolute path from which the module was loaded.
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Get the current URL with JavaScript?
...age loading I need to be able to grab the full, current URL of the website and set it as a variable to do with as I please.
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What's the difference between compiled and interpreted language?
...subject I'm still not sure what the difference between a compiled language and an interpreted language is. I was told this is one of the differences between Java and JavaScript. Would someone please help me in understanding it?
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Using variables inside a bash heredoc
... here-document
delimiter
No parameter expansion, command substitution, arithmetic expansion, or
pathname expansion is performed on word. If any characters in word are
quoted, the delimiter is the result of quote removal on word, and the
lines in the here-document are n...
How to elegantly deal with timezones
...is, users can have a specific timezone. I was wondering how other SO users and applications approach this? The most obvious part is that inside the DB, date/times are stored in UTC. When on the server, all date/times should be dealt with in UTC. However, I see three problems that I'm trying to overc...
IndentationError: unindent does not match any outer indentation level
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Yeah, that can be tricky. I use emacs to edit python, and I have it setup to always replace tabs with spaces in py files so I don't have this problem. Notepad++ might have an option like this as well.
– Kevin Tighe
Jan 29 '09 at 16:49
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Add one row to pandas DataFrame
I understand that pandas is designed to load fully populated DataFrame but I need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
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Which $_SERVER variables are safe?
Any variable that a user can control, an attacker can also control and is therefore a source of an attack. This is called a "tainted" variable, and is unsafe.
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