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Reading Excel files from C#
Is there a free or open source library to read Excel files (.xls) directly from a C# program?
32 Answers
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Get program execution time in the shell
I want to execute something in a linux shell under a few different conditions, and be able to output the execution time of each execution.
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LINQPad [extension] methods [closed]
Does anyone have a complete list of LINQPad extension methods and methods, such as
4 Answers
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JavaScript function to add X months to a date
I’m looking for the easiest, cleanest way to add X months to a JavaScript date.
18 Answers
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HTML5 Canvas Resize (Downscale) Image High Quality?
...here is no point in talking about interpolation -which is about creating pixel-. The issue here is downsampling.
To downsample an image, we need to turn each square of p * p pixels in the original image into a single pixel in the destination image.
For performances reasons Browsers do a very s...
What is aria-label and how should I use it?
...Your name</label>
<input id="fmUserName">
The <label> explicitly tells the user to type their name into the input box where id="fmUserName".
aria-label does much the same thing, but it's for those cases where it isn't practical or desirable to have a label on screen. Take the MD...
Why do assignment statements return a value?
...ldn’t return any value.
Your understanding is 100% incorrect. Can you explain why you believe this false thing?
What is the reasoning behind allowing assignment statements to return a value?
First off, assignment statements do not produce a value. Assignment expressions produce a value. An...
Struct Constructor in C++?
...ic by default in structs.
So structs can have constructors, and the syntax is the same as for classes.
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How to update only one field using Entity Framework?
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Ladislav's answer updated to use DbContext (introduced in EF 4.1):
public void ChangePassword(int userId, string password)
{
var user = new User() { Id = userId, Password = password };
using (var db = new MyEfContextName())
{
db.Users.Attach(user);
d...
In-place type conversion of a NumPy array
...different dtype, and then copy in-place into the view:
import numpy as np
x = np.arange(10, dtype='int32')
y = x.view('float32')
y[:] = x
print(y)
yields
array([ 0., 1., 2., 3., 4., 5., 6., 7., 8., 9.], dtype=float32)
To show the conversion was in-place, note that copying from x to y...