大约有 24,000 项符合查询结果（耗时：0.1026秒） [XML]
Why is require_once so bad to use?
Everything I read about better PHP coding practices keeps saying don't use require_once because of speed.
14 Answers
...
Which is more preferable to use: lambda functions or nested functions ('def')?
...ostly use lambda functions but sometimes use nested functions that seem to provide the same behavior.
16 Answers
...
What new capabilities do user-defined literals add to C++?
...based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
...
How to fix Git error: object file is empty?
...
I had a similar problem. My laptop ran out of battery during a git operation. Boo.
I didn't have any backups. (N.B. Ubuntu One is not a backup solution for git; it will helpfully overwrite your sane repository with your corrupted one.)
To...
What do Clustered and Non clustered index actually mean?
I have a limited exposure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes .
I googled and what I found was :
...
eval command in Bash and its typical uses
After reading the bash man pages and with respect to this post .
10 Answers
10
...
Why are regular expressions so controversial? [closed]
When exploring regular expressions (otherwise known as RegEx-es), there are many individuals who seem to see regular expressions as the Holy Grail. Something that looks so complicated - just must be the answer to any question. They tend to think that every problem is solvable using regular express...
How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
...
What is polymorphism, what is it for, and how is it used?
What is polymorphism, what is it for, and how is it used?
28 Answers
28
...
Algorithm to generate a crossword
...
I came up with a solution which probably isn't the most efficient, but it works well enough. Basically:
Sort all the words by length, descending.
Take the first word and place it on the board.
Take the next word.
Search through all...