大约有 16,000 项符合查询结果（耗时：0.0247秒） [XML]
How to remove a single, specific object from a ConcurrentBag?
... new List<string>();
var x = new ConcurrentBag<string>();
for (int i = 0; i < 10; i++)
{
x.Add(string.Format("adding{0}", i));
}
string y;
while (!x.IsEmpty)
{
x.TryTake(out y);
if(string.Equals(y, stringToMatch, StringComparison.CurrentCultureIgnoreCase))
{
b...
A dependent property in a ReferentialConstraint is mapped to a store-generated column
...you want to configure a One-to-Zero-or-One relationship
.HasColumnType("int");
Remove this line
.HasDatabaseGeneratedOption(DatabaseGeneratedOption.Identity)
Example http://www.entityframeworktutorial.net/code-first/configure-one-to-one-relationship-in-code-first.aspx
This is enough t...
How to use a decimal range() step value?
...imal step directly, it's much safer to express this in terms of how many points you want. Otherwise, floating-point rounding error is likely to give you a wrong result.
You can use the linspace function from the NumPy library (which isn't part of the standard library but is relatively easy to obtai...
Java Security: Illegal key size or default parameters?
...com/webapp/iwm/web/preLogin.do?source=jcesdk
– quietmint
Dec 27 '13 at 21:13
4
Since Java 9 and J...
How to use JUnit to test asynchronous processes
...
For those of us that use Junit or TestNG to do integration testing (and not just unit testing), or user acceptance testing (e.g. w/ Cucumber), waiting for an async completion and verifying the result is absolutely necessary.
– Les Hazlewood
...
Should Javadoc comments be added to the implementation?
Is it correct practice to add Javadoc comments in the interface and add non-Javadoc comments in the implementation?
7 Answe...
C++ catching all exceptions
...gacy code systems requiring a rewrite), then you have no named exception pointer to use to get a message or name. You may want to add separate catch clauses for the various exceptions you can catch, and only catch everything at the bottom to record an unexpected exception. E.g.:
try{
// ...
...
Hibernate: “Field 'id' doesn't have a default value”
...TO_INCREMENT. See the example below.
CREATE TABLE `supplier`
(
`ID` int(11) NOT NULL **AUTO_INCREMENT**,
`FIRSTNAME` varchar(60) NOT NULL,
`SECONDNAME` varchar(100) NOT NULL,
`PROPERTYNUM` varchar(50) DEFAULT NULL,
`STREETNAME` varchar(50) DEFAULT NULL,
`CITY` varchar(50) ...
VB.NET equivalent to C# var keyword [duplicate]
...trict On allows Linq to perform more usefully. Specifically, you can't get Into Max(Anon.SomeString) to work with Option Strict Off, though there are a number of workarounds.
share
|
improve this an...
SQL Server Management Studio alternatives to browse/edit tables and run queries [closed]
... I strongly feel that we can't edit tables and can't run queries with hints using LINQ
– bjan
May 18 '12 at 5:28
1
...