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Leading zeros for Int in Swift
...ed.
The following Playground code shows how to create a String formatted from Int with at least two integer digits by using init(format:_:):
import Foundation
let string0 = String(format: "%02d", 0) // returns "00"
let string1 = String(format: "%02d", 1) // returns "01"
let string2 = String(form...
How can I parse a CSV string with JavaScript, which contains comma in data?
...
As austincheney correctly points out, you really need to parse the string from start to finish if you wish to properly handle quoted strings that may contain escaped characters. Also, the OP does not clearly define what a "CSV string" really is. First we must define what constitutes a valid CSV str...
How do I create a comma-separated list from an array in PHP?
...K1XR
EDIT: Per @joseantgv's comment, you should be able to remove rtrim() from the above example. I.e:
$string = implode(',', $arr);
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Build .so file from .c file using gcc command line
...eate the .so file:
gcc hello.o -shared -o libhello.so
EDIT: Suggestions from the comments:
You can use
gcc -shared -o libhello.so -fPIC hello.c
to do it in one step. – Jonathan Leffler
I also suggest to add -Wall to get all warnings, and -g to get debugging information, to your gcc command...
How to make a chain of function decorators?
...the documentation to see how decorators work. Here is what you asked for:
from functools import wraps
def makebold(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
return "<b>" + fn(*args, **kwargs) + "</b>"
return wrapped
def makeitalic(fn):
@wraps(fn)
def wr...
How to parse Excel (XLS) file in Javascript/HTML5
...Old question, but I should note that the general task of parsing XLS files from javascript is tedious and difficult but not impossible.
I have basic parsers implemented in pure JS:
http://oss.sheetjs.com/js-xls/ (XLS files, what you wanted)
http://oss.sheetjs.com/js-xlsx/ (XLSX/XLSM/XLSB files)
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Remove all special characters from a string [duplicate]
...
Edit:
Hey, just a quick question, how can I prevent multiple hyphens from being next to each other? and have them replaced with just 1?
function clean($string) {
$string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
$string = preg_replace('/[^A-Za-z0-9\-]/', ''...
How to create multiple directories from a single full path in C#?
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Create directories from complete filepath
private String EvaluatePath(String path){
try
{
String folder = Path.GetDirectoryName(path);
if (!Directory.Exists(folder))
{
// Try to create the directory...
Label encoding across multiple columns in scikit-learn
...For inverse_transform and transform, you have to do a little bit of hack.
from collections import defaultdict
d = defaultdict(LabelEncoder)
With this, you now retain all columns LabelEncoder as dictionary.
# Encoding the variable
fit = df.apply(lambda x: d[x.name].fit_transform(x))
# Inverse th...
What is the difference between save and export in Docker?
...is "saved" images chain into another docker instance and create containers from these images.
export will fetch the whole container : like a snapshot of a regular VM. Saves the OS of course, but also any change you made, any data file written during the container life. This one is more like a tradit...