大约有 40,000 项符合查询结果（耗时：0.0223秒） [XML]
Random row from Linq to Sql
...ataContext {
[Function(Name="NEWID", IsComposable=true)]
public Guid Random()
{ // to prove not used by our C# code...
throw new NotImplementedException();
}
}
Then just order by ctx.Random(); this will do a random ordering at the SQL-Server courtesy of NEWID(). i....
What is AssemblyInfo.cs used for?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...already very memory-constrained environment.
Check out the Java GC tuning guide, which is available for various Java versions and contains sections about this specific problem:
Java 11 tuning guide has dedicated sections on excessive GC for different garbage collectors:
for the Parallel Collect...
ActiveModel::ForbiddenAttributesError when creating new user
...y_sanitizer
params.require(:article).permit(:name)
end
end
source:
https://github.com/CanCanCommunity/cancancan#33-strong-parameters
share
|
improve this answer
|
fol...
How can I output leading zeros in Ruby?
...3d" % number works pretty well, but it goes against the rubocop ruby style guide:
Favor the use of sprintf and its alias format over the fairly
cryptic String#% method
We can obtain the same result in a more readable way using the following:
format('%03d', number)
...
ElasticSearch - Return Unique Values
...
const body = {
"size": 0, // Returning only aggregation results: https://www.elastic.co/guide/en/elasticsearch/reference/current/returning-only-agg-results.html
"aggs" : {
"langs": {
"composite" : {
"size": ITEMS_PER_PAGE,
"sourc...
How to install trusted CA certificate on Android device?
...
If you need your certificate for HTTPS connections you can add the .bks file as a raw resource to your application and extend DefaultHttpConnection so your certificates are used for HTTPS connections.
public class MyHttpClient extends DefaultHttpClient {
...
How to set up Spark on Windows?
...ark without Mahout.
(5) The following tutorial is a good place to begin:
https://mahout.apache.org/users/sparkbindings/play-with-shell.html
You can bring up the Mahout Spark instance at:
"C:\Program Files (x86)\Google\Chrome\Application\chrome" --disable-web-security http://localhost:4040
...
What is a good use case for static import of methods?
...ability; if you need only one or two members, import them individually.
(https://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html)
There are two parts I want to call out specifically:
Use static imports only when you were tempted to "abuse inheritance". In this case, w...
Creating a temporary directory in Windows?
...
I like to use GetTempPath(), a GUID-creation function like CoCreateGuid(), and CreateDirectory().
A GUID is designed to have a high probability of uniqueness, and it's also highly improbable that someone would manually create a directory with the same for...