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Why do this() and super() have to be the first statement in a constructor?
...:
public class Foo extends Baz {
private final Bar myBar;
public Foo(String arg1, String arg2) {
// ...
// ... Some other stuff needed to construct a 'Bar'...
// ...
final Bar b = new Bar(arg1, arg2);
super(b.baz()):
myBar = b;
}
}
So basically construct an object b...
How do I put an 'if clause' in an SQL string?
So here's what I want to do on my MySQL database.
9 Answers
9
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What makes Lisp macros so special?
...pected ? Or is the "for" parameter used in the loop so that it must be the string "for" when called ?
– dader
May 16 '13 at 2:05
2
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Sublime Text 2 multiple line edit
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Windows:
I prefer Alt+F3 to search a string and change all instances of search string at once.
http://www.sublimetext.com/docs/selection
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How to send PUT, DELETE HTTP request in HttpURLConnection?
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public HttpURLConnection getHttpConnection(String url, String type){
URL uri = null;
HttpURLConnection con = null;
try{
uri = new URL(url);
con = (HttpURLConnection) uri.openConnection();
con.setRequestMethod...
PostgreSQL: How to make “case-insensitive” query
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Use LOWER function to convert the strings to lower case before comparing.
Try this:
SELECT id
FROM groups
WHERE LOWER(name)=LOWER('Administrator')
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What does placing a @ in front of a C# variable name do? [duplicate]
...'s just a way to allow declaring reserved keywords as vars.
void Foo(int @string)
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bool to int conversion
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int x = 4<5;
Completely portable. Standard conformant. bool to int conversion is implicit!
§4.7/4 from the C++ Standard says (Integral Conversion)
If the source type is bool, the value false is converted to zero and
the value true is converted to one.
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Spring mvc @PathVariable
...questMapping(value = " /order/{orderId}", method=RequestMethod.GET)
public String getOrder(@PathVariable String orderId){
//fetch order
}
if you use url www.mydomain.com/order/123, then orderId variable will be populated by value 123 by spring
Also note that PathVariable differs from requestParam...
How to verify that method was NOT called in Moq?
...isn't really a "verify not called" as it could be caught within the method and would still work - providing a false positive!
– Dan
Aug 20 '10 at 9:59
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