大约有 45,000 项符合查询结果（耗时：0.0510秒） [XML]
mongodb, replicates and error: { “$err” : “not master and slaveOk=f...
出现这个错误的原因是在从库上执行命令导致，默认情况下只有主库可以执行命令。
当然可以通过设置使得从库也能执行命令，具体参见：
http://stackoverflow.com/questions/8990158/mongodb-replicates-and-error-err-not-master-and-slaveok-false-code
How to reverse a 'rails generate'
I want to delete all the files it created and roll back any changes made, but not necessarily to the database, but more to the config files.
...
Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
I am building a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser....
How to architect an Ember.js application
...een difficult to keep up with the evolution of Ember JS as its approached (and reached!) version 1.0.0. Tutorials and documentation have come and gone, leading to a lot of confusion about best practices and the intent of the original developers.
...
How to move screen without moving cursor in Vim?
I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor .
...
The command rbenv install is missing
In Ubuntu 10.04 I just installed rbenv .
The install command is not present.
8 Answers
...
How to repeat last command in python interpreter shell?
How do I repeat the last command? The usual keys: Up, Ctrl+Up, Alt-p don't work. They produce nonsensical characters.
26 An...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
... this question, the OP states they just installed MySQL for the first time and then tried to access via MySQL command line client. That sounds like first time access to me.
– Mike Brant
Dec 13 '14 at 13:17
...
Canvas width and height in HTML5
Is it possible to fix the width and height of an HTML5 canvas element?
4 Answers
4
...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
...
With Xcode 4.2 and later versions, including XCode 4.6, there is a better way to migrate your entire developer profile to a new machine. On your existing machine, launch Xcode and do this:
Open the Organizer (Shift-Command-2).
Select the...