大约有 43,200 项符合查询结果（耗时：0.0337秒） [XML]
FIND_IN_SET() vs IN()
...
100
SELECT name
FROM orders,company
WHERE orderID = 1
AND companyID IN (attachedComp...
Length of generator output [duplicate]
...ou have a lazy infinite generator? For example:
def fib():
a, b = 0, 1
while True:
a, b = b, a + b
yield a
This never terminates but will generate the Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know the ...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...nction timeSince(date) {
var seconds = Math.floor((new Date() - date) / 1000);
var interval = seconds / 31536000;
if (interval > 1) {
return Math.floor(interval) + " years";
}
interval = seconds / 2592000;
if (interval > 1) {
return Math.floor(interval) + " months";
}
...
How do I convert a TimeSpan to a formatted string? [duplicate]
...
14 Answers
14
Active
...
Concept behind these four lines of tricky C code
...
The number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+ s...
Elastic Search: how to see the indexed data
...
171
Probably the easiest way to explore your ElasticSearch cluster is to use elasticsearch-head.
...
How to get the name of the calling method?
...
213
puts caller[0]
or perhaps...
puts caller[0][/`.*'/][1..-2]
...
Best way to make Java's modulus behave like it should with negative numbers?
...
144
It behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b...
Access nested dictionary items via a list of keys?
...
18 Answers
18
Active
...