大约有 44,000 项符合查询结果（耗时：0.0358秒） [XML]
Convert a Unix timestamp to time in JavaScript
...
@nickf multiplications are trivial on modern CPUs - the string concatenation will require a lot more work!
– Alnitak
Apr 19 '11 at 19:59
30
...
ERROR 2006 (HY000): MySQL server has gone away
...ocket connection), e.g.:
sudo tcpdump -i lo0 -s 1500 -nl -w- port mysql | strings
On Linux, use strace. On BSD/Mac use dtrace/dtruss, e.g.
sudo dtruss -a -fn mysqld 2>&1
See: Getting started with DTracing MySQL
Learn more how to debug MySQL server or client at: 26.5 Debugging and Porti...
How to sort in-place using the merge sort algorithm?
...rrays only actually contain single words per element, e.g., a pointer to a string or structure) to trade off some space for time and have a separate temporary array that you sort back and forth between.
share
|
...
Put content in HttpResponseMessage object?
...
For a string specifically, the quickest way is to use the StringContent constructor
response.Content = new StringContent("Your response text");
There are a number of additional HttpContent class descendants for other common scen...
REST API 404: Bad URI, or Missing Resource?
... Don't return 200 with an empty body.
This is akin to undefined vs empty string (e.g. "") in programming. While very similar, there is definitely a difference.
404 means that nothing exists at that URI (like an undefined variable in programming). Returning 200 with an empty body means that some...
In Functional Programming, what is a functor?
...llection. The type of the full collection is then something like T Int, T String, T Bool, if you are containing integers, strings, or Booleans respectively. If the element type is unknown, it is written as a type parameter a, as in T a.
Examples include lists (zero or more elements of type a), th...
PHP function to generate v4 UUID
...
UUID's aren't just random strings. There is a spec to how it works. To generate a proper random UUID that I don't have to worry about getting rejected later, I'd rather use a tested library than roll my own implementation.
– Br...
design a stack such that getMinimum( ) should be O(1)
...isEmpty () {
return size == 0;
}
public static void main (String...args) {
StackWithMin stack = new StackWithMin();
for ( String arg: args )
stack.push( Integer.parseInt( arg ) );
while ( ! stack.isEmpty() ) {
int min = stack.getMin...
What is the best way to test for an empty string in Go?
Which method is best (more idomatic) for testing non-empty strings (in Go)?
10 Answers
...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...,6)
If you're not used to precision and scale parameters, here's a format string visual:
###.###### and ##.######
share
|
improve this answer
|
follow
|
...