大约有 18,000 项符合查询结果（耗时：0.0300秒） [XML]
ActiveRecord: List columns in table from console
I know that you can ask ActiveRecord to list tables in console using:
8 Answers
8
...
How do I concatenate two text files in PowerShell?
I am trying to replicate the functionality of the cat command in Unix.
11 Answers
11...
How do I use grep to search the current directory for all files having the a string “hello” yet disp
How do I use grep to search the current directory for any and all files containing the string "hello" and display only .h and .cc files?
...
“f” after number
What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number?
...
Repeat command automatically in Linux
Is it possible in Linux command line to have a command repeat every n seconds?
13 Answers
...
How do I create a MongoDB dump of my database?
What command do I use and run?
19 Answers
19
...
sendmail: how to configure sendmail on ubuntu? [closed]
When I searched for configuring sendmail on ubuntu I din't get any clear answer, each of them assume I know what they are talking about,
...
What does the Subversion status symbol “~” mean?
I am getting a tilde symbol when I do an svn status .
11 Answers
11
...
Responsive css background images
I have a website (g-floors.eu) and I want to make the background (in css I have defined a bg-image for the content) also responsive. Unfortunately I really don't have any idea on how to do this except for one thing that I can think of but it's quite a workaround. Creating multiple images and then us...
jQuery: Best practice to populate drop down?
The example I see posted all of the time seems like it's suboptimal, because it involves concatenating strings, which seems so not jQuery. It usually looks like this:
...