大约有 43,100 项符合查询结果（耗时：0.0392秒） [XML]
Split delimited strings in a column and insert as new rows [duplicate]
...ltiple columns in a single statement:
> head(mydf)
geneid chrom start end strand length gene_count
ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;12010;12179;12613;12613;12975;13221;13221;13453 12227;12057;12227;12721;12697;13052;13374;14409;13670 ...
How can you encode a string to Base64 in JavaScript?
...thod for encoding
encode : function (input) {
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
input = Base64._utf8_encode(input);
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = ...
PHP: How to remove all non printable characters in a string?
...se across several operations
$badchar=array(
// control characters
chr(0), chr(1), chr(2), chr(3), chr(4), chr(5), chr(6), chr(7), chr(8), chr(9), chr(10),
chr(11), chr(12), chr(13), chr(14), chr(15), chr(16), chr(17), chr(18), chr(19), chr(20),
chr(21), chr(22), chr(23), chr(24), ch...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...ed char *buf, unsigned k)
if ($cp < 0x80) {
return chr($cp);
} else if ($cp < 0xA0) {
return chr(0xC0 | $cp >> 6).chr(0x80 | $cp & 0x3F);
}
return html_entity_decode('&#'.$cp.';');
}, $str);
}
...
Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
The error in the title is thrown only in Google Chrome, according to my tests. I'm base64 encoding a big XML file so that it can be downloaded:
...
What's the opposite of chr() in Ruby?
In many languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
...
Why is it slower to iterate over a small string than a small list?
...ead.
>>> python3 -m timeit -s 'import random; iterable = "".join(chr(random.randint(0, 127)) for _ in range(100000))' '[x for x in iterable]'
100 loops, best of 3: 3.12 msec per loop
>>> python3 -m timeit -s 'import random; iterable = [chr(random.randint(0, 127)) for _ in ...
Way to get all alphabetic chars in an array in PHP?
...
PHP has already provided a function for such applications.
chr(x) returns the ascii character with integer index of x.
In some cases, this approach should prove most intuitive.
Refer http://www.asciitable.com/
$UPPERCASE_LETTERS = range(chr(65),chr(90));
$LOWERCASE_LETTERS = range(c...
Getting a map() to return a list in Python 3.x
...
Do this:
list(map(chr,[66,53,0,94]))
In Python 3+, many processes that iterate over iterables return iterators themselves. In most cases, this ends up saving memory, and should make things go faster.
If all you're going to do is iterate...
How do I put double quotes in a string in vba?
...A1").Formula = "IF(Sheet1!A1=0,"""",Sheet1!A1)"
Some people like to use CHR(34)*:
Worksheets("Sheet1").Range("A1").Formula = "IF(Sheet1!A1=0," & CHR(34) & CHR(34) & ",Sheet1!A1)"
*Note: CHAR() is used as an Excel cell formula, e.g. writing "=CHAR(34)" in a cell, but for VBA code y...