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Python, Unicode, and the Windows console
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answered Aug 7 '08 at 22:32
Lasse V. KarlsenLasse V. Karlsen
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How to remove from a map while iterating it?
...begin(); it != m.cend() /* not hoisted */; /* no increment */)
{
if (must_delete)
{
m.erase(it++); // or "it = m.erase(it)" since C++11
}
else
{
++it;
}
}
Note that we really want an ordinary for loop here, since we are modifying the container itself. The range-based loop sh...
Simple example of threading in C++
...case?
– user2452253
Nov 4 '14 at 16:32
3
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Functional programming - is immutability expensive? [closed]
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Rex KerrRex Kerr
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Why '&&' and not '&'?
...There are several implementations of these operators:
For integers (int, uint, long and ulong, chapter 7.11.1):
They are implemented to compute the bitwise result of the operands and the operator, i.e. & is implement to compute the bitwise logical AND etc.
For enumerations (chapter 7.11.2):
Th...
What are some uses of template template parameters?
...ive an example. Let's pretend that std::vector doesn't have a typedef value_type.
So how would you write a function which can create variables of the right type for the vectors elements? This would work.
template <template<class, class> class V, class T, class A>
void f(V<T, A> ...
Delete column from SQLite table
...trate how this could be done:
BEGIN TRANSACTION;
CREATE TEMPORARY TABLE t1_backup(a,b);
INSERT INTO t1_backup SELECT a,b FROM t1;
DROP TABLE t1;
CREATE TABLE t1(a,b);
INSERT INTO t1 SELECT a,b FROM t1_backup;
DROP TABLE t1_backup;
COMMIT;
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
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It seems that for a 64 bit architecture you have to install both the 32-bit version and the 64-bit version of jre (architecture independent files as rt.jar are distributed only in the 32-bit version).
Remember then to pay attention to include the correct java executable on the global PATH env...
Cost of len() function
...rtelli
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20
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Does Java have something like C#'s ref and out keywords?
...mulate reference with wrappers.
And do the following:
void changeString( _<String> str ) {
str.s("def");
}
void testRef() {
_<String> abc = new _<String>("abc");
changeString( abc );
out.println( abc ); // prints def
}
Out
void setString( _<String> re...