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Determine project root from a running node.js application
Is there a better way than process.cwd() to determine the root directory of a running node.js process? Something like the equivalent of Rails.root , but for Node.js. I'm looking for something that is as predictable and reliable as possible.
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Find most frequent value in SQL column
...+1 for using standard SQL that will work in any database (whereas LIMIT is MySQL specific, TOP is SQL Server specific).
– Dylan Smith
Jul 20 '18 at 14:46
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Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
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How do you run your own code alongside Tkinter's event loop?
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Use the after method on the Tk object:
from tkinter import *
root = Tk()
def task():
print("hello")
root.after(2000, task) # reschedule event in 2 seconds
root.after(2000, task)
root.mainloop()
Here's the declaration and documentation for the after method:
def after(self,...
How to store values from foreach loop into an array?
...bership AS gm LEFT JOIN users AS u ON gm.`idUser` = u.`idUser`";
$result = mysql_query($query);
while ($record = mysql_fetch_array($result)) { \
$items[] = $username;
}
?>
while is faster, but the last example is only a result of an observation. :)
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Change first commit of project with Git? [duplicate]
...ned by ecdpalma below, git 1.7.12+ (August 2012) has enhanced the option --root for git rebase:
"git rebase [-i] --root $tip" can now be used to rewrite all the history leading to "$tip" down to the root commit.
That new behavior was initially discussed here:
I personally think "git rebase -i ...
When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...ch traversal strategy works. Use the following tree as an example.
The root of the tree is 7, the left most node is 0, the right most node is 10.
Pre-order traversal:
Summary: Begins at the root (7), ends at the right-most node (10)
Traversal sequence: 7, 1, 0, 3, 2, 5, 4, 6, 9, 8, 10
In-...
Calculate difference in keys contained in two Python dictionaries
... 3:3}
>>> pprint(DeepDiff(t1, t2), indent=2)
{ 'type_changes': { 'root[2]': { 'newtype': <class 'str'>,
'newvalue': '2',
'oldtype': <class 'int'>,
'oldvalue': 2}}}
Value of an it...
How to create a multi-tenant database with shared table structures?
Our software currently runs on MySQL. The data of all tenants is stored in the same schema. Since we are using Ruby on Rails we can easily determine which data belongs to which tenant. However there are some companies of course who fear that their data might be compromised, so we are evaluating othe...
Create a temporary table in a SELECT statement without a separate CREATE TABLE
...STS table2 AS (SELECT * FROM table1)
From the manual found at http://dev.mysql.com/doc/refman/5.7/en/create-table.html
You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only to the current session, and is dropped automatically when the session is closed. Thi...