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How can I do time/hours arithmetic in Google Spreadsheet?
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Google Sheets now have a duration formatting option. Select: Format -> Number -> Duration.
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Markdown and image alignment
...I have an alternative to the methods above that used the ALT tag and a CSS selector on the alt tag... Instead, add a URL hash like this:
First your Markdown image code:
Note the added URL ...
Add st, nd, rd and th (ordinal) suffix to a number
...function ordinal(number) {
const suffix = suffixes[english_ordinal_rules.select(number)];
return (number + suffix);
}
const test = Array(201)
.fill()
.map((_, index) => index - 100)
.map(ordinal)
.join(" ");
console.log(test);
The Intl.PluralRules constructor (Draft ECMA-...
Design Pattern for Undo Engine
...a virtual method implementation.
To do aggregate actions (e.g. user Shift-Selects a load of objects to do an operation on, such as delete, rename, change attribute), your code creates a new Undo stack as a single memento, and passes that to the actual operation to add the individual operations to. ...
Routing for custom ASP.NET MVC 404 Error page
...e.
Step by Step Installation Guide :
1 - Right click on your Project and Select Manage Nuget Packages...
2 - Search for NotFoundMvc and install it.
3 - Once the installation has be completed, two files will be added to your project. As shown in the screenshots below.
4 - Open the newly added...
How can I benchmark JavaScript code? [closed]
...e the correct answer. I would delete mine, but I can't because it has been selected by the OP. There is much more to benchmarking than just running many iterations, and JSPerf takes care of that for you.
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How do you usually Tag log entries? (android)
...Android Studio -> preference -> Live Templates -> AndroidLog then select Log.d(TAG, String).
In Template text replace
android.util.Log.d(TAG, "$METHOD_NAME$: $content$");
with
android.util.Log.d("$className$", "$METHOD_NAME$: $content$");
Then click Edit variables and enter classN...
Installing SciPy and NumPy using pip
...dly cut'n'paste the shell commands - there will be a few lines you need to select depending on your architecture, etc., and you'll need to fix/add the correct directories that it incorrectly assumes as well.
The third thing you may need is to yum install numpy-f2py or the equivalent.
Oh, yes and l...
Converting strings to floats in a DataFrame
...hole dataframe or just individual columns. It also gives you an ability to select how to treat stuff that can't be converted to numeric values:
import pandas as pd
s = pd.Series(['1.0', '2', -3])
pd.to_numeric(s)
s = pd.Series(['apple', '1.0', '2', -3])
pd.to_numeric(s, errors='ignore')
pd.to_numer...
Are there any CSV readers/writer libraries in C#? [closed]
... {
string line = string.Join(",", row.Cells.Select(x => $"{x}"));
writer.WriteLine(line);
}
writer.Flush();
}
};
}
}
...