大约有 40,000 项符合查询结果（耗时：0.0399秒） [XML]
How to sum all column values in multi-dimensional array?
How can I add all the columnar values by associative key? Note that key sets are dynamic.
20 Answers
...
How to remove line breaks (no characters!) from the string?
...
You should be able to replace it with a preg that removes all newlines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The pr...
How do I purge a linux mail box with huge number of emails? [closed]
...
You can simply delete the /var/mail/username file to delete all emails for a specific user. Also, emails that are outgoing but have not yet been sent will be stored in /var/spool/mqueue.
share
|
...
How do I auto-submit an upload form when a file is selected?
I have a simple file upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button.
...
How can I get PHPUnit MockObjects to return different values based on a parameter?
I've got a PHPUnit mock object that returns 'return value' no matter what its arguments:
11 Answers
...
Remove the last character from a string [duplicate]
...
really great!, at least for me... i am too searching for this..and found it here... thanks +1
– Mohammed Sufian
Jan 24 '14 at 21:45
...
Most used parts of Boost [closed]
...filesystem
thread
lexical_cast
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have ...
If Python is interpreted, what are .pyc files?
...'translated'. Python is then compiled to a bytecode. AFAIK, only Bash is really interpreted , all other popular "interpreted" languages are all compiled to a bytecode.
– bfontaine
Aug 6 '14 at 13:42
...
How to delete a word and go into insert mode in Vim?
...aw deletes the trailing space as well.
– Roberto Bonvallet
Sep 7 '09 at 4:38
5
:help objects in v...
Beginner's guide to ElasticSearch [closed]
...irst principals in context of Elasticsearch. While the reference docs are all about finding the precise parameter you need, the Guide is a narrative that discusses problems in search and how to solve them.
Best of all, the book is OSS and free (unless you want to buy a paper copy, in which case O'...