大约有 40,000 项符合查询结果（耗时：0.0610秒） [XML]
What is the difference between and ?
...ue may or may not have any real meaning.
<html lang="en-US"> essentially means "this page is in the US style of English." In a similar way, <html lang="en-GB"> would mean "this page is in the United Kingdom style of English."
If you really wanted to specify an invalid combination, you...
Best Practice for Forcing Garbage Collection in C#
...
According to MSDN:
"It is possible to force garbage
collection by calling Collect, but
most of the time, this should be
avoided because it may create
performance issues. "
However, if you can reliably test your code to confirm that calling Collect() won't have a negative impact then ...
How to find the files that are created in the last hour in unix
...
This is great and all, but these flags don't exist on Solaris find that I'm using. OP said Unix and I think these are Linux only.
– jiggy
Apr 17 '14 at 19:53
...
Identity increment is jumping in SQL Server database
... since SQL Server 2012.
It now by default uses a cache size of 1,000 when allocating IDENTITY values for an int column and restarting the service can "lose" unused values (The cache size is 10,000 for bigint/numeric).
This is mentioned in the documentation
SQL Server might cache identity valu...
What is the difference between HTTP status code 200 (cache) vs status code 304?
...est off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. This eliminates the need for any request to be made unless the asset ...
Viewing a Deleted File in Git
... my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this?
3 Answers
...
CSS - Overflow: Scroll; - Always show vertical scroll bar?
... 4em and scroll to show the rest */
}
#child {
height: 12em;
/* taller than the parent to force scrolling */
}
/* === ignore stuff below, it's just to help with the visual. === */
#container {
background-color: #ffc;
}
#child {
margin: 30px;
background-color: #eee;
...
gitignore does not ignore folder
...der. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore :
...
Warning message: In `…` : invalid factor level, NA generated
...
Here is a flexible approach, it can be used in all cases, in particular:
to affect only one column, or
the dataframe has been obtained from applying previous operations (e.g. not immediately opening a file, or creating a new data frame).
First, un-factorize a stri...
Fluent Validation vs. Data Annotations [closed]
...when used for ASP.NET MVC validatation? They seem to have similar objects, all the way to their object names. Is one related to another? What are their differences? In what way do these differences denote different use cases?
...