大约有 42,000 项符合查询结果（耗时：0.0600秒） [XML]
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...compile-time type and the actual type of an object (courtesy Jon Skeet):
void ReportTypeProperties<T>(T obj)
{
Console.WriteLine("Compile-time type: {0}", typeof(T).Name);
Console.WriteLine("Actual type: {0}", obj.GetType().Name);
}
Let's try an arbitrary linq-to-sql Table<T>, w...
Crash logs generated by iPhone Simulator?
...ibrary/Logs/CoreSimulator
Per crash, there is a sub-folder with a unique id. Sort by date, so that your recent crash is the first sub-folder. Inside that, start by looking at stderr.log and system.log.
Also directly under CoreSimulator, see CoreSimulator.log and Simulator.log.
...
SQL Server - Create a copy of a database table and place it in the same database?
... offers creates a new table with the same column structure (just like he said) and inserts all data into the new table for you.
– user5855178
Apr 5 '17 at 14:14
1
...
How do I make the scrollbar on a div only visible when necessary?
...
Use overflow: auto. Scrollbars will only appear when needed.
(Sidenote, you can also specify for only the x, or y scrollbar: overflow-x: auto and overflow-y: auto).
share
|
improve this ...
How to implement a secure REST API with node.js
I start planning a REST API with node.js ,express and mongodb. The API provides data for a website (public and private area) and maybe later a mobile app. The frontend will be developed with AngularJS.
...
How can I display a pdf document into a Webview?
...PDF Viewer to read your pdf online:
WebView webview = (WebView) findViewById(R.id.webview);
webview.getSettings().setJavaScriptEnabled(true);
String pdf = "http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf";
webview.loadUrl("https://drive.google.com/viewerng/viewer?embedded=true&...
How to find a parent with a known class in jQuery?
...t a different nesting level. Rather than give every child <div> an identifier, I rather just give the root <div> the identifier. Here’s an example:
...
Rails has_many with alias name
...
Give this a shot:
has_many :jobs, foreign_key: "user_id", class_name: "Task"
Note, that :as is used for polymorphic associations.
share
|
improve this answer
|
...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...，可加参数指定ip、端口，默认本机27017）
config={
"_id" : "ReplSetName",
"members" : [
{"_id" : 0, "host" : "172.16.88.97:27017",priority:2},
{"_id" : 1, "host" : "172.16.88.97:27018",priority:1},
{"_id" : 2, "host" : "172.16.88.97:27019",arbite...
Defining a function with multiple implicit arguments in Scala
...on are able to produce the basic implicit (String,Int) Tuples
implicit def idis(implicit is: String, ii: Int): (String,Int)= (is,ii)
implicit def idi(s: String)(implicit ii: Int): (String,Int)= (s,ii)
// The basic implicit values for both underlying parameters
implicit val iString = " world! "
impl...