大约有 47,000 项符合查询结果（耗时：0.0591秒） [XML]
How can I avoid running ActiveRecord callbacks?
...
This solution is Rails 2 only.
I just investigated this and I think I have a solution. There are two ActiveRecord private methods that you can use:
update_without_callbacks
create_without_callbacks
You're going to have to use send to call these methods. examples:
p = Person.ne...
Replace \n with actual new line in Sublime Text
...
Turn on Regex Search and Replace (icon most to the left in search and replace bar or shortcut Alt + R)
Find What: \\n
Replace with: \n
Cheers
share
|
...
Tactics for using PHP in a high-load site
...gh to attain high server loads. Treat me as (sigh) an alien that has just landed on the planet, albeit one that knows PHP and a few optimisation techniques.
...
When should you use constexpr capability in C++11?
...hat can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number.
It basically provides a good aid to maintainability as it becomes more obvious what you are doing. Take max( a, b ) for example:
templat...
Parsing command-line arguments in C?
... by word, or character by character in C. It has to be able to read in command line options -l -w -i or -- ...
12 Answers
...
What is the difference between and ?
What is the difference between <html lang="en"> and <html lang="en-US"> ? What other values can follow the dash?
...
How to pull specific directory with git
I have a project with git, and I just want to clone or pull a specific directory, like myproject/javascript just like subversion does.
make some changes, commit and push back again.
It's possible?
...
What is the meaning of single and double underscore before an object name?
...t meaning of having leading underscores before an object's name in Python, and the difference between both?
15 Answers
...
How to check if element has any children in Javascript?
... (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a child
}
That relies on the child...
Any open source alternatives to balsamiq mockup [closed]
...ource mock up tool is Pencil. Its available as firefox plugin as well as stand alone.
Another solution, which I personally use is Inkscape, an open source SVG Editor. It is NOT a mock up designer, but we can use it for designing mock ups, using freely available stencil kit, like Yahoo Stencil Kit....