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Ruby / Rails: convert int to time OR get time from integer?
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time.to_i => int: Returns the value of time as an integer number of seconds since epoch.
Time.at(seconds[, microseconds]) => time: Creates a new time object with the given number of seconds (and optional microseconds) from epoch.
...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...
double dotProduct = 0;
for (var i = 0; i < vecA.Length; i++)
{
dotProduct += (vecA[i] * vecB[i]);
}
return dotProduct;
}
// Magnitude of the vector is the square root of the dot product of the v...
UnicodeDecodeError when reading CSV file in Pandas with Python
...itor or VS Code.
Save the file in utf-8 format.
In sublime, Click File -> Save with encoding -> UTF-8
Then, you can read your file as usual:
import pandas as pd
data = pd.read_csv('file_name.csv', encoding='utf-8')
and the other different encoding types are:
encoding = "cp1252"
encoding = ...
In eclipse, unable to reference an android library project in another android project
...er name on the file system. What you are seeing in the Project Properties->Android->Library Reference is a relative file system path.
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Remove trailing zeros
...r will have at most 28 digits past the decimal point. Any number of zeros >= 28 should work.
– Thomas Materna
Oct 9 '12 at 16:32
2
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Label under image in UIButton
...Button
{
override func titleRect(forContentRect contentRect: CGRect) -> CGRect {
let rect = super.titleRect(forContentRect: contentRect)
return CGRect(x: 0, y: contentRect.height - rect.height + 5,
width: contentRect.width, height: rect.height)
}
override...
Unlimited Bash History [closed]
...reen sessions) will still truncate your history:
# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
# HISTSIZE=1000
# HISTFILESIZE=2000
Second, add this to the bottom of your .bashrc:
# Eternal bash history.
# ---------------------
# Undocumented feature which sets the size to...
Prompt Dialog in Windows Forms
...logResult = DialogResult.OK };
confirmation.Click += (sender, e) => { prompt.Close(); };
prompt.Controls.Add(textBox);
prompt.Controls.Add(confirmation);
prompt.Controls.Add(textLabel);
prompt.AcceptButton = confirmation;
return prompt.ShowDialog()...
Why does a return in `finally` override `try`?
...nally {
console.log('finally')
}
}
console.log(example());
// -> finally
// -> true
So -finally- return rewrites the return of -try- return.
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MySQL offset infinite rows
...a := 0;
select @a:=@a + 1 AS counter, table.* FROM table
HAVING counter > 4
But I would probably stick with the high limit approach.
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