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Array versus List: When to use which?
...imensional; where-as you have have rectangular (etc) arrays like int[,] or string[,,] - but there are other ways of modelling such data (if you need) in an object model.
See also:
How/When to abandon the use of Arrays in c#.net?
Arrays, What's the point?
That said, I make a lot of use of arrays...
jquery if div id has children
...uery object that contains the children. So you just need to check the size and see if it has at least one child.
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java.net.MalformedURLException: no protocol
...i/javax/xml/parsers/DocumentBuilder.html
The method DocumentBuilder.parse(String) takes a URI and tries to open it. If you want to directly give the content, you have to give it an InputStream or Reader, for example a StringReader. ... Welcome to the Java standard levels of indirections !
Basicall...
How to clear stringstream? [duplicate]
...
Typically to 'reset' a stringstream you need to both reset the underlying sequence to an empty string with str and to clear any fail and eof flags with clear.
parser.str( std::string() );
parser.clear();
Typically what happens is that the first ...
How to read a single character from the user?
...
Tested on Win10 + Python 3.5： ERROR:root:'in <string>' requires string as left operand, not bytes Traceback (most recent call last): File "..\main.py", line 184, in wrapper result = func(*args, **kwargs) File "C:\GitHub\Python-Demo\demo\day_hello.py", line 41,...
What is array to pointer decay?
... the operand of the sizeof 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 ...
How does this print “hello world”?
...th bit on
The following code does the inverse process, given a lowercase string (max 12 chars), returns the 64 bit long value that could be used with the OP's code:
public class D {
public static void main(String... args) {
String v = "hello test";
int len = Math.min(12, v.len...
looping through an NSMutableDictionary
...
A standard way would look like this
for(id key in myDict) {
id value = [myDict objectForKey:key];
[value doStuff];
}
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Javascript Object push() function
...t. Don't forget to change the for...in loop, too.
– Andy E
Jan 19 '12 at 12:16
@MattBall my bad! I am not really that...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...。它可以包括：Element, Text, Comment, ProcessingInstruction, CDATA, and EntityReference.
Attribute, 指在<Employee >中的粗体部分。
Comment，指形如：<!-- my comment --> 的节点。
Text，指在<Name>Tom<Name>的粗体部分。
2、在XML中，可以用XmlNode对象来...