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\d is less efficient than [0-9]
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\d checks all Unicode digits, while [0-9] is limited to these 10 characters. For example, Persian digits, ۱۲۳۴۵۶۷۸۹, are an example of Unicode digits which are matched with \d, but not [0-9].
You can generate a list of all such characters using the followin...
String output: format or concat in C#?
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Try this code.
It's a slightly modified version of your code.
1. I removed Console.WriteLine as it's probably few orders of magnitude slower than what I'm trying to measure.
2. I'm starting the Stopwatch before the loop and stoppi...
Rotated elements in CSS that affect their parent's height correctly
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Assuming that you want to rotate 90 degrees, this is possible, even for non-text elements - but like many interesting things in CSS, it requires a little cunning. My solution also technically invokes undefined behaviour according to the CSS 2 spec - so while I've tested a...
How to count total number of watches on a page?
Is there a way, in JavaScript, to count the number of angular watches on the entire page?
12 Answers
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How to make the division of 2 ints produce a float instead of another int?
In another Bruce Eckels exercise in calculating velocity, v = s / t where s and t are integers. How do I make it so the division cranks out a float?
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AutoMapper vs ValueInjecter [closed]
...<Foo,Bar>(); CreateMap<Tomato, Potato>(); etc.
ValueInjecter is something like mozilla with it's plugins, you create ValueInjections and use them
there are built-in injections for flattening, unflattening, and some that are intended to be inherited
and it works more in an aspect typ...
How to go to a specific element on page? [duplicate]
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The standard technique in plugin form would look something like this:
(function($) {
$.fn.goTo = function() {
$('html, body').animate({
scrollTop: $(this).offset().top + 'px'
}, 'fast');
return this; // for chaining...
}
})(jQuery);
Then you co...
Fastest way to serialize and deserialize .NET objects
...ooking for the fastest way to serialize and deserialize .NET objects. Here is what I have so far:
9 Answers
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Why are there two ways to unstage a file in Git?
... given file(s).
That said, if you used git rm --cached on a new file that is staged, it would basically look like you had just unstaged it since it had never been committed before.
Update git 2.24
In this newer version of git you can use git restore --staged instead of git reset.
See git docs.
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How to select rows from a DataFrame based on column values?
...f.loc[df['column_name'] == some_value]
To select rows whose column value is in an iterable, some_values, use isin:
df.loc[df['column_name'].isin(some_values)]
Combine multiple conditions with &:
df.loc[(df['column_name'] >= A) & (df['column_name'] <= B)]
Note the parentheses. ...