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How do I remove/delete a folder that is not empty?
...n I attempt to delete a folder that is not empty. I used the following command in my attempt: os.remove("/folder_name") .
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How to determine if a record is just created or updated in after_save
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It's best to differentiate with an after_update and an after_create. The callbacks can share a common method that takes an argument to indicate if it's a create or update.
– matthuhiggins
Oct 9 '13 at 23:44
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How to read a file in Groovy into a string?
I need to read a file from the file system and load the entire contents into a string in a groovy controller, what's the easiest way to do that?
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Convert Unix timestamp into human readable date using MySQL
...stamp into a human readable date? I have one field where I save Unix times and now I want to add another field for human readable dates.
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Number of rows affected by an UPDATE in PL/SQL
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And assignment has to precede any COMMITs
– rshdev
Oct 1 '18 at 17:28
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JComboBox Selection Change Listener?
...emEvents, though, one for the deselection of the previously selected item, and another for the selection of the new item. Just don't use both event types!
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Traverse all the Nodes of a JSON Object Tree with JavaScript
...3],
subo: {
foo2:"bar2"
}
};
//called with every property and its value
function process(key,value) {
console.log(key + " : "+value);
}
function traverse(o,func) {
for (var i in o) {
func.apply(this,[i,o[i]]);
if (o[i] !== null && typeof(o[i])=="ob...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...cts of the
collection type that have been
instantiated with attributes and
linked to this object through a
foreign key, but have not yet been
saved. Note: This only works if an
associated object already exists, not
if it‘s nil!
The answer to building in the opposite direction is a ...
What's the difference between process.cwd() vs __dirname?
...working directory,
i.e. the directory from which you invoked the node command.
__dirname returns the directory name of the directory containing the JavaScript source code file
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Why is the standard session lifetime 24 minutes (1440 seconds)?
I've been doing some research on PHP Session Handling and came across the session.gc_maxlifetime value of 1440 seconds.
I've been wondering why the standard value is 1440 and how it is calculated?
What is the basis for this calculation?
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