大约有 6,885 项符合查询结果（耗时：0.0243秒） [XML]
Difference between UTF-8 and UTF-16?
...in UTF-8 cons:
Many common characters have different length, which slows indexing by codepoint and calculating a codepoint count terribly.
Even though byte order doesn't matter, sometimes UTF-8 still has BOM (byte order mark) which serves to notify that the text is encoded in UTF-8, and also break...
How to get all files under a specific directory in MATLAB?
...irData = dir(dirName); %# Get the data for the current directory
dirIndex = [dirData.isdir]; %# Find the index for directories
fileList = {dirData(~dirIndex).name}'; %'# Get a list of the files
if ~isempty(fileList)
fileList = cellfun(@(x) fullfile(dirName,x),... %# Prepend path to...
Split a collection into `n` parts with LINQ?
... It would be better to use the Select overload that includes the index.
– Marc Gravell♦
Aug 17 '09 at 21:21
1
...
Iterate a list with indexes in Python
I could swear I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...ttribute deletion.
Amusingly, Array.push( data ); is faster than Array[nextIndex] = data by almost 20 (dynamic array) to 10 (fixed array) times over.
Array.unshift(data) is slower as expected, and is ~approx 5x slower than a new property adding.
Nulling the value array[index] = null is faster than d...
Count number of occurrences of a given substring in a string
...ing position number among all sub-strings:
s = 'sub1 sub2 sub3'
s.split().index('sub2')
>>> 1
You mean the char-position of the sub-string in the string:
s.find('sub2')
>>> 5
You mean the (non-overlapping) counts of appearance of a su-bstring:
s.count('sub2')
>>> 1
s....
.htaccess rewrite to redirect root URL to subdirectory
...
RewriteRule ^/?$ /index.do [R]
– barclay
Jul 19 '12 at 19:28
...
How to delete a stash created with git stash create?
... and 3, would be to do them in the order 3, 2, 1, or 1, 1, 1. Also, it's 0 indexed, with 0 being at the top of the stack.
– ArtOfWarfare
Sep 17 '13 at 15:36
2
...
How to update the value stored in Dictionary in C#?
...
It's possible by accessing the key as index
for example:
Dictionary<string, int> dictionary = new Dictionary<string, int>();
dictionary["test"] = 1;
dictionary["test"] += 1;
Console.WriteLine (dictionary["test"]); // will print 2
...
“date(): It is not safe to rely on the system's timezone settings…”
...
Add the following in your index.php file. I first came across this when I moved my application from my XAMPP server to Apache 2.2 and PHP 5.4...
I would advise you do it in your index.php file instead of the php.ini file.
if( ! ini_get('date.timezon...