大约有 40,000 项符合查询结果（耗时：0.0480秒） [XML]
Razor View Engine : An expression tree may not contain a dynamic operation
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it was an uppercase m that did it for me
– whossname
May 3 '16 at 11:30
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Best way to check if object exists in Entity Framework?
...manage a scenario where the percentage of duplicates being provided in the new data records was very high, and so many thousands of database calls were being made to check for duplicates (so the CPU sent a lot of time at 100%). In the end I decided to keep the last 100,000 records cached in memory....
How to set -source 1.7 in Android Studio and Gradle
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Maybe these answers above are old but with the new Android Studios 1, you do the following to see the module to run on 1.7 (or 1.6 if you prefer). Click File --> Project Structure. Select the module you want to run and then under "Source Compatibility" and "Target Comp...
C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...介绍
using System.Xml;
//初始化一个xml实例
XmlDocument xml=new XmlDocument();
//导入指定xml文件
xml.Load(path);
xml.Load(HttpContext.Current.Server.MapPath("~/file/bookstore.xml"));
//指定一个节点
XmlNode root=xml.SelectSingleNode("/root");
//获取节点下所...
'Contains()' workaround using Linq to Entities?
... IEnumerable<TValue> collection
)
{
if (selector == null) throw new ArgumentNullException("selector");
if (collection == null) throw new ArgumentNullException("collection");
if (!collection.Any())
return query.Where(t => false);
ParameterExpression p = selector.Parameters.S...
How to delete/create databases in Neo4j?
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Creating new Database in Neo4j
Before Starting neo4j community click the browse option
and choose a different directory
and click start button.
New database created on that direcory
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How to retrieve a file from a server via SFTP?
...FTP. Error handling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownHostsFilename = "/home/username/.ssh/known_hosts";
jsch.setKnownHosts( knownHostsFilename );
Session session = jsch.getSession( "remote-username", "remote-host" );
{
// "interactive" version
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How do I get the number of elements in a list?
... list[:] is implicit and is therefore also optional.)
The lesson here for new programmers is: You can’t get the number of items in a list without counting them at some point. The question becomes: when is a good time to count them? For example, high-performance code like the connect system call f...
How to delete from select in MySQL?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
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How to get 0-padded binary representation of an integer in java?
... zeros, but this is very costly at runtime, as in:
String.format("%016d", new BigInteger(Integer.toBinaryString(1)))
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