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How to find/identify large commits in git history?
...is not available on macOS, you can either omit the last line and deal with raw byte sizes or brew install coreutils.
Filtering
To achieve further filtering, insert any of the following lines before the sort line.
To exclude files that are present in HEAD, insert the following line:
| grep -vF --...
How do I get a TextBox to only accept numeric input in WPF?
... not a number, and then it is not made to entry textbox.
If you want only letters then replace the regular expression as [^a-zA-Z].
XAML
<TextBox Name="NumberTextBox" PreviewTextInput="NumberValidationTextBox"/>
XAML.CS FILE
using System.Text.RegularExpressions;
private void NumberValida...
Convert a row of a data frame to vector
...ault data.frame() converts characters to factors)
df_2 = data.frame(V1 = letters[1:5],
V2 = 1:5)
df_2[3,] %>% as.numeric() # you expect to obtain c 3 but it returns
[1] 3 3
df_2[3,] %>% as.character() # this won't work neither
[1] "3" "3"
To prevent this behavior, you nee...
What is the shortest function for reading a cookie by name in JavaScript?
...ment.cookie))?r[2]:null;}
You can get it to 110 bytes if you make it a 1-letter function name, 90 bytes if you drop the encodeURIComponent.
I've gotten it down to 73 bytes, but to be fair it's 82 bytes when named readCookie and 102 bytes when then adding encodeURIComponent:
function C(k){return(...
What's the best practice for primary keys in tables?
...tandards (country codes, iata airport codes, ). Things like "what is the 2 letter representation for this internal brand" ... think twice before assuming that "it" will never change, you're one finance decision away from a database rebuild.
– Andrew Hill
Sep 11...
What is the difference between List (of T) and Collection(of T)?
...
List is fewer letters to type than Collection :)
– RedFilter
Dec 29 '08 at 22:39
1
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How to show and update echo on same line
...appears that on zsh the K is not necessary and in fact gets put out as the letter K.
– mknaf
Oct 17 '14 at 14:28
1
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...ure, would either:
Not always be a string
Not only contain digits, ASCII letters and underscores
Start with an integer (dict(1foo=2) raises a SyntaxError)
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How do I call setattr() on the current module?
...ttr(thismodule, name, value)
or, without using setattr (which breaks the letter of the question but satisfies the same practical purposes;-):
globals()[name] = value
Note: at module scope, the latter is equivalent to:
vars()[name] = value
which is a bit more concise, but doesn't work from wi...
Convert a RGB Color Value to a Hexadecimal String
...bstring(2);
You can add a .toUpperCase()if you want to switch to capital letters.
Note that ARRG is right - only to be used for non transparent colors.
if(your_color.getAlpha() >= 16){
String hex = "#"+Integer.toHexString(your_color.getRGB()).substring(2);
}
else{...}
...