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Why does 'continue' behave like 'break' in a Foreach-Object?
...re is a gotcha to be kept in mind when refactoring. Sometimes one wants to convert a foreach statement block into a pipeline with a ForEach-Object cmdlet (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return....
Why do we need tuples in Python (or any immutable data type)?
...
if I must convert a tuple to a set or list to be able to sort them, what's the point of using a tuple in the first place?
In this particular case, there probably isn't a point. This is a non-issue, because this isn't one of the cases...
what is the difference between OLE DB and ODBC data sources?
...g to happen for a number of reasons, such as:
The world was not going to convert to Microsoft technologies and
away from ODBC;
DAO/ODBC was faster than ADO/OLE DB and was also thoroughly integrated into MS Access, so wasn’t going to die a natural death;
New technologies that were being developed...
Using Linq to group a list of objects into a new grouped list of list of objects
...ows you to iterate over the members of the group. As Lee mentions, you can convert each group to a list if you really want to, but if you're just going to iterate over them as per the code above, there's no real benefit in doing so.
...
C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... "" ) ;
xmldoc.AppendChild ( xmlelem ) ;
//加入另外一个元素
for(int i=1;i<3;i++)
{
XmlNode root=xmldoc.SelectSingleNode("Employees");//查找<Employees>
XmlElement xe1=xmldoc.CreateElement("Node");//创建一个<Node>节点
xe1.SetAttribute("genre","李赞红");//设置该节...
Javascript calculate the day of the year (1 - 366)
...));
Which outputs for the leap year 2016 (verified using http://www.epochconverter.com/days/2016):
1/1/2016 is 1 days into the year
2/1/2016 is 32 days into the year
3/1/2016 is 61 days into the year
6/1/2016 is 153 days into the year
12/31/2016 is 366 days into the year
...
What Are the Differences Between PSR-0 and PSR-4?
...k for Acme\Foo\Bar in src/Bar.php(where Bar class is).
2. PSR-4 does not convert underscores to directory separators
3. You would prefer using PSR-4 with namespaces
4. PSR-0 will not work even if the class name is different from file name, like considering above example:
Acme\Foo\Bar --->...
Proper way to implement IXmlSerializable?
...e a programmer decides to implement IXmlSerializable , what are the rules and best practices for implementing it? I've heard that GetSchema() should return null and ReadXml should move to the next element before returning. Is this true? And what about WriteXml - should it write a root eleme...
What is the difference between mocking and spying when using Mockito?
...rtial mocks.
Before release 1.8 spy() was not producing real partial mocks and it was confusing for some users. Read more about spying: here or in javadoc for spy(Object) method.
callRealMethod() was introduced after spy(), but spy() was left there of course, to ensure backward compatibility.
Other...
Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
...