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Why is Object[].class.isAssignableFrom(String[].class) == true , while String[].getSuperClass() or getGenericInterfaces() could not get Object[] ?
I checked the source of JDK, but i don't think i can get the answer myself. For now, I know JDK uses tree...
Started by Brodie on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
You might be thinking that this tests if String[] is assignable from Object[] , but it actually tests the reverse (if String[] can be ....
Because String[] can actually be converted/widened to Object[] .
Print it) but not modify it.
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Hello everyone,
I am using .Net 2.0 + SQL Server 2005 Enterprise + VSTS 2008 + C# + ADO.Net to develop ASP.Net Web application.
My question is, if I am using Trusted_Connection=true with SQL Server authentication mode (not Windows authentication mode,...
Started by George2 on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Mean:
Trusted_Connection=True;
IS using Windows credentials and is 100% equivalent to:
Integrated Security=SSPI;
or
Integrated Security=true;
If you don't want to use integrated security / trusted connection, you need to specify user id....
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I have a data struct being stored in JSON format, converted using the serializeJSON function. The problem I am running into is that strings that can be boolean in CF such as Yes,No,True,and False are converted into JSON as boolean values. Below is example...
Started by Dan Roberts on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
That should force CF to recognize it as a string rather than as a boolean..
I believe that your or any similar "string forcing" workaround is the only possible way to prevent = javacast("string", "yes") .
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I'm a C++ guy learning Java. I'm reading Effective Java and something confused me. It says never to write code like this:
String s = new String("silly");
Because it creates unnecessary String objects. But instead it should be written like this:
String...
Started by JavaNewbie on
, 15 posts
by 15 people.
Answer Snippets (Read the full thread at stackoverflow):
There's no way....
");
then s!=t (because you've explicitly created a new string) although s.equals(t) will return trueString s are special in Java - they're immutable, and string constants are automatically turned into String objects.
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How would you convert an array of booleans to a string like "false, true, true, false" - using as few lines of code as possible?
Python allows me to use the following (very nice and clean):
", ".join(map(str, [False, True, True, False]))
In C#, string...
Started by AndiDog on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
Var boolStrings = string.Join(",", new List<bool> { false, true, true, false } .ConvertAll(x => x.ToString()).ToArray());
How about:
String.Join(", ", new List<Boolean>() { true, false, false, true }.ConvertAll....
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Hi,
Simple query, possibly impossible but I know there are some clever people out there :)
Given a boolean parameter, I wish to define my where clause to either limit a certain column's output - or do nothing.
So, given parameter @bit = 1 this would be...
Started by Tabloo Quijico on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at stackoverflow):
If it were, of course, it would be a different default value (not 0)
WHERE column .
Be a string, for example).
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I have two strings. How can I determine whether the first string is composed only of letters given by the second string?
For example:
A = abcd B = abbcc
should return false, since d is not in the second string.
A = aab B = ab
should return true.
If the...
Started by skydoor on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
If it is always return true, how to optimize it?
return true
EDIT: Seriously, it's a good question what like a good place to start reading: Exact String Matching Algorithms
[How do I] determine [if] the first string [is ....
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True.ToString() false.toString(); Output: True False
Is there a valid reason for it being "True" and not "true"? It breaks when writing XML as it's boolean type is lower case, and also isn't compatible with C#'s true/false (not sure about CLS though)....
Started by Chris S on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
If the String and the parsing is done by....
The string representation of the boolean true is defined to be Boolean.TrueString., and that the XML specification recognizes "true" and "false" as the valid set of Boolean values.
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How can operator bool() cause an error when declaring operator std::string in a class and also serving as an implicit conversion to string by itself?
#include <iostream> #include <string> using namespace std; class Test { public: operator ...
Started by piotr on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
The problem you are facing (besides operator std::string() returning a bool) is that implicit conversions trigger when you want= matches:
// using std::string....
Your operator std::string() needs to return a string, not a bool.
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I know strings are immutable, so the minute you change a string reference's value .NET makes a brand new string on the heap.
But what if you don't change the value of a string reference; rather, you simply pass it into a function ByVal -- does this operation...
Started by vg1890 on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
It passes a ref....
Is short, no.
If you modify s or t, it will create a new string, then.
string s = "hello"; string t = "hello";
s & t both refer to the same string (because it is interned).
Note, string are interned.
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