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How to quickly check if folder is empty (.NET)?
...EnumerateFileSystemEntries method overloads
public bool IsDirectoryEmpty(string path)
{
IEnumerable<string> items = Directory.EnumerateFileSystemEntries(path);
using (IEnumerator<string> en = items.GetEnumerator())
{
return !en.MoveNext();
}
}
EDIT: seeing t...
Convert java.util.Date to String
I want to convert a java.util.Date object to a String in Java.
18 Answers
18
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Is there an alternative to string.Replace that is case-insensitive?
I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen web pages on the subject that suggest
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How do I join two lists in Java?
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In Java 8:
List<String> newList = Stream.concat(listOne.stream(), listTwo.stream())
.collect(Collectors.toList());
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Getter and Setter declaration in .NET [duplicate]
...es are used to encapsulate some data. You could use a plain field:
public string MyField
But this field can be accessed by all outside users of your class. People can insert illegal values or change the value in ways you didn't expect.
By using a property, you can encapsulate the way your data i...
通信连接组件 · App Inventor 2 中文网
...(XML文本)
解码给定的 XML 字符串以生成列表对象。
string 解码为包含一个标签和字符串键值对的列表。
更一般地，如果 obj1, obj2, … 是标记分隔的 XML 字符串，则 obj1 obj2 ... 解码为一个列表，其中包含第一个元素是 tag 且...
Echo equivalent in PowerShell for script testing
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You also want to get familiar with Out-String, because with any non-trivial object, you'll need to use that to convert the object to a display-able string before using any of those three Write-* cmdlets.
– Jaykul
Nov 2 '09 at...
C dynamically growing array
...zeof operator, the _Alignof operator, or the unary & operator, or is a string literal used to initialize an array, an expression that has type ''array of type'' is converted to an expression with type ''pointer to type'' that points to the initial element of the array object and is not an lvalue...
How to round float numbers in javascript?
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Convert a number to a string and then back again? That can't be fast.
– csl
Nov 9 '12 at 14:07
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Java's L number (long) specification
... 3.14159), it is assumed to be a double.
In all other cases (byte, short, char), you need the cast as there is no specific suffix.
The Java spec allows both upper and lower case suffixes, but the upper case version for longs is preferred, as the upper case L is less easy to confuse with a numeral ...