大约有 46,000 项符合查询结果（耗时：0.0683秒） [XML]
Creating an empty file in Ruby: “touch” equivalent?
...
FileUtils.touch looks like what it does, and mirrors* the touch command:
require 'fileutils'
FileUtils.touch('file.txt')
* Unlike touch(1) you can't update mtime or atime alone. It's also missing a few other nice options.
...
how to get program files x86 env variable?
... like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit.
4 Answer...
MySQL vs MongoDB 1000 reads
I have been very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
...
Get loop counter/index using for…of syntax in JavaScript
I understand that the basic for…in syntax in JavaScript looks like this:
11 Answers
...
XPath: How to select nodes which have no attributes?
...
To address Marek Czaplicki's comment and expand the answer
//node[not(@*) or not(string-length(@*))]
....will select all node elements with zero attributes OR which have attributes that are all empty. If it was just a particular attribute you are interested i...
Is there a case insensitive jQuery :contains selector?
...ery selector or should I do the work manually by looping over all elements and comparing their .text() to my string?
12 Ans...
When to use ko.utils.unwrapObservable?
...bles, so you may check up front (ko.isObservable) that it is an observable and then you would be free to unwrap it with (). If you are receiving an object that may have nested observables, then you are better off doing a ko.toJS(yourObject) rather than using ko.utils.unwrapObservable, if you are tr...
What is the proper declaration of main?
... signature of the main function in C++? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
...
How to create full compressed tar file using Python?
...zipped tar archive containing a single top-level folder with the same name and contents as source_dir.
share
|
improve this answer
|
follow
|
...
Why do results vary based on curly brace placement?
... return an object (built by the curly braces) with the property javascript and its value of "fantastic", effectively the same as this:
function test() {
var myObject = new Object();
myObject.javascript = "fantastic";
return myObject;
}
...