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Algorithm to get the excel-like column name of a number
...% 26;
$letter = chr(65 + $numeric);
$num2 = intval($num / 26);
if ($num2 > 0) {
return getNameFromNumber($num2 - 1) . $letter;
} else {
return $letter;
}
}
And if you want it one indexed (1 == A, etc):
function getNameFromNumber($num) {
$numeric = ($num ...
Generate JSON string from NSDictionary in iOS
... error:&error];
if (! jsonData) {
NSLog(@"%s: error: %@", __func__, error.localizedDescription);
return @"{}";
} else {
return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
}
}
@e...
What is the difference between an expression and a statement in Python?
In Python, what is the difference between expressions and statements?
14 Answers
14
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...
File extensions for cryptographic certificates aren't really as standardized as you'd expect. Windows by default treats double-clicking a .crt file as a request to import the certificate into the Windows Root Certificate store, but treats a .cer file as a request...
Dealing with “Xerces hell” in Java/Maven?
...:
<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.11.0</version>
</dependency>
and all dependencies have resolved fine - even proper xml-apis-1.4.01!
And what's most important (and what wasn't obvio...
How to parse a CSV file in Bash?
...
You need to use IFS instead of -d:
while IFS=, read -r col1 col2
do
echo "I got:$col1|$col2"
done < myfile.csv
Note that for general purpose CSV parsing you should use a specialized tool which can handle quoted fields with internal...
what is .netrwhist?
...trwhist is a history file which maintains all the directories that were modified. So whenever you modify the contents of ~/.vim it adds one entry in .netrwhist
A sample .netrwhist is as shown
let g:netrw_dirhistmax =10
let g:netrw_dirhist_cnt =6
let g:netrw_dirhist_1='/Users/wolever/EnSi/repos/we...
Android Replace “…” with ellipsis character
...on e.g. the second period), and theoretically languages could render them differently (many asian languages put them in the middle and they're wider (matches a character width)). Non-breaking is useful everywhere, I'm not aware of Android rendering them correctly in other langs though, nor am I awa...
Can pandas automatically recognize dates?
...rser=dateparse)
You can find directives (i.e. the letters to be used for different formats) for strptime and strftime in this page.
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How to diff one file to an arbitrary version in Git?
How can I diff a file, say pom.xml , from the master branch to an arbitrary older version in Git?
13 Answers
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