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How do I temporarily disable triggers in PostgreSQL?
I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis.
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Select all contents of textbox when it receives focus (Vanilla JS or jQuery)
What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus?
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What is the Haskell response to Node.js?
...mmunication with a single client, rather that writing code that deals with all the clients at the same time. Think of it like this: a server that handles multiple clients with threads looks almost the same as one that handles a single client; the main difference is there's a fork somewhere in the f...
What is the proper way to display the full InnerException?
...ply print exception.ToString() -- that will also include the full text for all the nested InnerExceptions.
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How to iterate over arguments in a Bash script
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Use "$@" to represent all the arguments:
for var in "$@"
do
echo "$var"
done
This will iterate over each argument and print it out on a separate line. $@ behaves like $* except that when quoted the arguments are broken up properly if there...
Rails 3: I want to list all paths defined in my rails application
I want to list all defined helper path functions (that are created from routes) in my rails 3 application, if that is possible.
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Developing cross platform mobile application [closed]
...s but let me expand a bit:
I think that cross-platform tools have historically always been also-rans because such tools have the wrong philosophical focus.
All the selling points for cross-plaform tools are the benefits they bring to developers. They are sold on the idea that they allow the devel...
What does $.when.apply($, someArray) do?
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.apply is used to call a function with an array of arguments. It takes each element in the array, and uses each as a parameter to the function. .apply can also change the context (this) inside a function.
So, let's take $.when. It's used to...
How to zero pad a sequence of integers in bash so that all have the same width?
...uce the following output:
00010
00011
00012
00013
00014
00015
More generally, bash has printf as a built-in so you can pad output with zeroes as follows:
$ i=99
$ printf "%05d\n" $i
00099
You can use the -v flag to store the output in another variable:
$ i=99
$ printf -v j "%05d" $i
$ echo $j...
How to create the perfect OOP application [closed]
...problem description:
Basic sales tax is applicable at a rate of 10% on all goods, except books, food, and medical products that are exempt. Import duty is an additional sales tax applicable on all imported goods at a rate of 5%, with no exemptions. When I purchase items I receive a receipt which...