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...Of(“/jp/”) == 0) { … }
通配符,如:文章的地址:/article_123:
If (/article_\d+/.test(a)) { … } // 这儿用正则表达式来匹配末尾的数字。
实际的匹配条件会有很多种,这对于没有代码基础的网站分析人员可真是一种挑战啊,另外写...
How to remove a field completely from a MongoDB document?
... looks like this:
{
name: 'book',
tags: [
{
words: ['abc','123'],
lat: 33,
long: 22
}, {
words: ['def','456'],
lat: 44,
long: 33
}
]
}
To remove the column words from the embedded document, do this:
db.example.update(
{'tags': {'$exists':...
How to mount a host directory in a Docker container
I am trying to mount a host directory into a Docker container so that any updates done on the host is reflected into the Docker containers.
...
HttpWebRequest using Basic authentication
... BASE64({USERNAME:PASSWORD})"
String username = "abc";
String password = "123";
String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
httpWebRequest.Headers.Add("Authorization", "Basic " + encoded);
Edit
Switched the e...
How to easily map c++ enums to strings
...
If you want the enum names themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to al...
What is the most efficient way to create HTML elements using jQuery?
...ents were obviously wrong, I've removed them.
– tvanfosson
Sep 8 '10 at 13:23
16
...
How to detect page zoom level in all modern browsers?
...en this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: s...
How do I correctly clean up a Python object?
...esources that need to be cleaned up. The problem with using an explicit close() statement is that you have to worry about people forgetting to call it at all or forgetting to place it in a finally block to prevent a resource leak when an exception occurs.
To use the with statement, create a class ...
Clicking URLs opens default browser
...y iframe within the page with a custom scheme URL (say <iframe src="tel:123"/>) it will navigate your app's main frame to that URL most likely breaking the app as a side effect.
– marcin.kosiba
Feb 7 '14 at 12:35
...
How to find serial number of Android device?
...
@Hasemam This is not working for me, giving "Force Close" error
– Paresh Mayani
Aug 26 '10 at 11:51
23
...