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Devise form within a different controller
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As Andres says, the form calls helpers which are specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you wish to display the form u...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
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I've always thought that DLLs and shared objects are just different terms for the same thing - Windows calls them DLLs, while on UNIX systems they're shared objects, with the general term - dynamically linked library - covering both (even the function to open a .so on UNIX is called ...
PostgreSQL Connection URL
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If you use Libpq binding for respective language, according to its documentation URI is formed as follows:
postgresql://[user[:password]@][netloc][:port][/dbname][?param1=value1&...]
Here are examples from same documen...
JavaScript equivalent of jQuery's extend method
...e rest of the code within the function. In order to prevent having to specify all of the settings within the config object, I use jQuery's extend method to fill in a new object, settings with any default values from the default object if they weren't specified in the config object:
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Python Progress Bar
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There are specific libraries (like this one here) but maybe something very simple would do:
import time
import sys
toolbar_width = 40
# setup toolbar
sys.stdout.write("[%s]" % (" " * toolbar_width))
sys.stdout.flush()
sys.stdout.write("...
Disable pasting text into HTML form
... var onload = window.onload;
window.onload = function () {
if (typeof onload == "function") {
onload.apply(this, arguments);
}
var fields = [];
var inputs = document.getElementsByTagName("input");
var textareas = document.getElementsByTagN...
Suppress echo of command invocation in makefile?
... +1. But just to clear up the OP's confusion, it's perhaps worth clarifying that this is a feature of Make, not of Bash.
– Oliver Charlesworth
Apr 1 '12 at 18:42
1
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How to force a view refresh without having it trigger automatically from an observable?
...an individual observable you can call myObservable.valueHasMutated() to notify subscribers that they should re-evaluate. This is generally not necessary in KO, as you mentioned.
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How to append the output to a file?
...&1 to redirect stdout and stderr to the file (works in bash, zsh)
And if you need to use sudo, remember that just
sudo command >> /file/requiring/sudo/privileges does not work, as privilege elevation applies to command but not shell redirection part. However, simply using
tee solves the...
Download multiple files with a single action
I am not sure if this is possible using standard web technologies.
19 Answers
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