大约有 40,000 项符合查询结果(耗时:0.0438秒) [XML]
Does Python support short-circuiting?
...
In other words, if the return value from raw_input is true (not an empty string), it is assigned to name (nothing changes); otherwise, the default '<unknown>' is assigned to name.
share
|
im...
Get hours difference between two dates in Moment Js
...roach for me, as I don't need to calculate the hours/days/months/years-ago-strings myself and it is just one line! Thank you!!
– krankuba
Aug 6 at 4:57
...
Replace only some groups with Regex
...eed to identify them or not. That way you can use them in your replacement string. For example:
var pattern = @"(-)(\d+)(-)";
var replaced = Regex.Replace(text, pattern, "$1AA$3");
or using a MatchEvaluator:
var replaced = Regex.Replace(text, pattern, m => m.Groups[1].Value + "AA" + m.Groups...
Why Collections.sort uses merge sort instead of quicksort?
...ast stable sort that guarantees O(n log n)
performance and requires O(n) extra space. In its day (it was written
in 1997 by Joshua Bloch), it was a fine choice, but today but we can
do much better.
Since 2003, Python's list sort has used an algorithm known as timsort
(after Tim Peters,...
Bootstrap right Column on top on mobile view
...der-1 order-lg-2">
This column will be ordered second on large to extra large screens
</div>
<div class="col-6 order-2 order-lg-1">
This column will be ordered first on large to extra large screens
</div>
</div>
</div>
You can omit order-1...
How to clear the interpreter console?
...st a print, or a function with the print call, not assigining to a "clear" string, of course)
– jsbueno
Jun 2 '16 at 5:27
5
...
Java FileReader encoding issue
... to use java.io.FileReader to read some text files and convert them into a string, but I found the result is wrongly encoded and not readable at all.
...
Getting a random value from a JavaScript array
... When using typescript: Be aware that the return type would be "string | undefined" instead of "string" given a string array.
– Stephan Schielke
May 6 at 18:18
add ...
Assignment in an if statement
... me to do it in a while though when reading streams of data. For example:
string line;
while ((line = reader.ReadLine()) != null)
{
...
}
These days I normally prefer to use a wrapper which lets me use foreach (string line in ...) but I view the above as a pretty idiomatic pattern. It's usual...
ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术
...tal_temp = 0;
for ($update_nbr = 0; $update_nbr < 100; $update_nbr++) {
$string = $subscriber->recv ();
sscanf ($string, "%d %d %d", $zipcode, $temperature, $relhumidity);
$total_temp += $temperature;
}
printf ("Average temperature for zipcode '%s' was %dF\n",
$filter, (int) ($total_temp / $u...
