大约有 16,000 项符合查询结果（耗时：0.0321秒） [XML]
What is __future__ in Python used for and how/when to use it, and how it works
... not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
8 Answer...
What is the difference between synchronous and asynchronous programming (in node.js)
I've been reading nodebeginner
And I came across the following two pieces of code.
10 Answers
...
Should services always return DTOs, or can they also return domain models?
...o, in which case the answer is that they should not return DTOs. I suggest reading chapter 4 in the blue book, titled "Isolating the Domain".
In that chapter, Evans says the following about the layers:
Partition a complex program into layers. Develop a design within each layer that is cohesive ...
How to make a new List in Java
...t using generics makes a really "good" example for any developer that will read this.
– Natix
Apr 16 '14 at 12:19
add a comment
|
...
How to get .pem file from .key and .crt files?
...
Your keys may already be in PEM format, but just named with .crt or .key.
If the file's content begins with -----BEGIN and you can read it in a text editor:
The file uses base64, which is readable in ASCII, not binary format. The certifica...
How can I delete all unversioned/ignored files/folders in my working copy?
...
Nice feature! I had to read the link, though, to find out that it only works on the list view (not the tree view) on XP -- maybe you should include that in your answer.
– Nick Meyer
May 11 '10 at 20:40
...
There is already an open DataReader associated with this Command which must be closed first
...
This worked for me. If you want to read more about Enabling Multiple Active Result Sets (MARS) see msdn.microsoft.com/en-us/library/h32h3abf(v=vs.100).aspx. Consider reading up on Disadvantages of MARS too stackoverflow.com/questions/374444/…
...
Java 8 Iterable.forEach() vs foreach loop
... an optimization, but critical when you consider that some sequences (like reading the lines in a file) may have side-effects, or you may have an infinite sequence."
Might execute in parallel, which is a horrible, horrible thing for all but the 0.1% of your code that needs to be optimized. Any para...
How can I quickly sum all numbers in a file?
...92
real 0m0.445s
user 0m0.438s
sys 0m0.024s
$ time { s=0;while read l; do s=$((s+$l));done<random_numbers;echo $s; }
16379866392
real 0m9.309s
user 0m8.404s
sys 0m0.887s
$ time { s=0;while read l; do ((s+=l));done<random_numbers;echo $s; }
16379866392
real 0m7.191s
...
Copy entire contents of a directory to another using php
... $dir = opendir($src);
@mkdir($dst);
while(false !== ( $file = readdir($dir)) ) {
if (( $file != '.' ) && ( $file != '..' )) {
if ( is_dir($src . '/' . $file) ) {
recurse_copy($src . '/' . $file,$dst . '/' . $file);
}
...