大约有 48,000 项符合查询结果（耗时：0.0383秒） [XML]
How to read a file in reverse order?
...line[::-1]
if __name__ == '__main__':
for qline in readlines_reverse(raw_input()):
print qline
Since the file is read character by character in reverse order, it will work even on very large files, as long as individual lines fit into memory.
...
Using PowerShell to write a file in UTF-8 without the BOM
...TF8Encoding class and passing $False to the constructor seems to work:
$MyRawString = Get-Content -Raw $MyPath
$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
[System.IO.File]::WriteAllLines($MyPath, $MyRawString, $Utf8NoBomEncoding)
...
What's the difference between SortedList and SortedDictionary?
...-+------------+------------------+
To roughly paraphrase, if you require raw performance SortedDictionary could be a better choice. If you require lesser memory overhead and indexed retrieval SortedList fits better. See this question for more on when to use which.
You can read more here, here, he...
Catch Ctrl-C in C
...
Or you can put the terminal in raw mode, like this:
struct termios term;
term.c_iflag |= IGNBRK;
term.c_iflag &= ~(INLCR | ICRNL | IXON | IXOFF);
term.c_lflag &= ~(ICANON | ECHO | ECHOK | ECHOE | ECHONL | ISIG | IEXTEN);
term.c_cc[VMIN] = 1;
term...
How to use the “number_to_currency” helper method in the model rather than view?
...ust this one thing” to a bloated model. App helpers in Rails are a junk-drawer, presenters/view-models are easier to manage. I don’t see creating the data for a report and generating the (html|pdf|csv|etc.) view of that data as a single responsibility any more than I do for, e.g., a person and a...
How is an HTTP POST request made in node.js?
... files.
As for post/get operation, they also are much simpler to use than raw ajax calls using httprequest.
needle.post('https://my.app.com/endpoint', {foo:'bar'},
function(err, resp, body){
console.log(body);
});
...
How would I skip optional arguments in a function call?
...lt value.
The clarity of this solution is of course better than supplying raw default values (like NULL, 0 etc.) which say nothing to a reader.
(I agree that calling like $var = a(,,'ddd'); would be the best option)
How to randomize (shuffle) a JavaScript array?
...om element for each original array element, and excludes it from the next draw, like picking randomly from a deck of cards.
This clever exclusion swaps the picked element with the current one, then picks the next random element from the remainder, looping backwards for optimal efficiency, ensuring ...
Is it possible to install another version of Python to Virtualenv?
...get http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz
$ wget https://raw.github.com/pypa/virtualenv/master/virtualenv.py
Extract and install Python-2.7.3 into the pyenv dir. make clean is optional if you are doing this a 2nd, 3rd, Nth time...
$ tar -xzvf Python-2.7.3.tgz
$ cd Python-2.7.3
$ ...
Grep and Sed Equivalent for XML Command Line Processing
... @SteveBennett indeed it doesn't, but the features it adds on top of raw XPath are good enough to make it competitive with "grep and sed". If you want the fancy, fancy goodness of XQuery... well, that's more like an XML equivalent to perl or awk. :)
– Charles Duffy
...