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Do I set properties to nil in dealloc when using ARC?
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2 Answers
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Catch an exception thrown by an async void method
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267
It's somewhat weird to read but yes, the exception will bubble up to the calling code - but on...
Pass complex parameters to [Theory]
.... these examples from here:
PropertyData Example
public class StringTests2
{
[Theory, PropertyData(nameof(SplitCountData))]
public void SplitCount(string input, int expectedCount)
{
var actualCount = input.Split(' ').Count();
Assert.Equal(expectedCount, actualCount);
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How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
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Java's L number (long) specification
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There are specific suffixes for long (e.g. 39832L), float (e.g. 2.4f) and double (e.g. -7.832d).
If there is no suffix, and it is an integral type (e.g. 5623), it is assumed to be an int. If it is not an integral type (e.g. 3.14159), it is assumed to be a double.
In all...
Stream vs Views vs Iterators
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182
First, they are all non-strict. That has a particular mathematical meaning related to functions,...
Variable length (Dynamic) Arrays in Java
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Yes: use ArrayList.
In Java, "normal" arrays are fixed-size. You have to give them a size and...
How to print the contents of RDD?
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If you want to view the content of a RDD, one way is to use collect():
myRDD.collect().foreac...
How to read XML using XPath in Java
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This will get you the second:
/howto/topic[@name='PowerBuilder']/url[2]/text()
You get that with this code:
expr.evaluate(doc, XPathConstants.STRING);
If you don't know how many URLs are in a given node, then you should rather do something like this:
XPathExpression expr = xpath.compile(...
Two submit buttons in one form
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answered Feb 13 '09 at 21:48
GregGreg
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