大约有 42,000 项符合查询结果（耗时：0.0535秒） [XML]
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
I am trying to set up a VPN with a Raspberry Pi, and the first step is gaining the ability to ssh into the device from outside my local network. For whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I ge...
Eclipse and Windows newlines
I had to move my Eclipse workspace from Linux to Windows when my desktop crashed. A week later I copy it back to Linux, code happily, commit to CVS. And alas, windows newlines have polluted many files, so CVS diff dumps the entire file, even when I changed a line or two!
...
Why does javascript map function return undefined?
...
7 Answers
7
Active
...
CSS vertical alignment text inside li
I am displaying number of boxes in a row with fix height and width, generated from tags.
now I need to align the text in the vertical center.
The CSS vertical-align has no impact, maybe I am missing something???
...
What's the Best Way to Shuffle an NSMutableArray?
If you have an NSMutableArray , how do you shuffle the elements randomly?
12 Answers
...
IN vs OR in the SQL WHERE Clause
When dealing with big databases, which performs better, IN or OR in the SQL Where -clause?
6 Answers
...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
I came across the sun.misc.Unsafe package the other day and was amazed at what it could do.
16 Answers
...
Image library for Python 3
What is python-3 using instead of PIL for manipulating Images?
8 Answers
8
...
Efficient list of unique strings C#
What is the most efficient way to store a list of strings ignoring any duplicates?
I was thinking a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution?
...
How can I wrap or break long text/word in a fixed width span?
I want to create a span with a fixed width that when I type any thing in the span like <span>lgasdfjksdajgdsglkgsadfasdfadfasdfadsfasdfasddkgjk</span> , a long string of non-spaced text, the word(s) break or wrap to next line.
...