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How to properly overload the
I am writing a small matrix library in C++ for matrix operations. However my compiler complains, where before it did not. This code was left on a shelf for 6 months and in between I upgraded my computer from debian etch to lenny (g++ (Debian 4.3.2-1.1) 4.3.2
) however I have the same problem on a Ub...
Finding the index of elements based on a condition using python list comprehension
...iltr(x)]
print(indices([1,0,3,5,1], lambda x: x==1))
Yields: [0, 4]
In my imagination the perfect way would be making a child class of list and adding the indices function as class method. In this way only the filter method would be needed:
class MyList(list):
def __init__(self, *args):
...
How to define a preprocessor symbol in Xcode
... Thanks! To whoever interested, the syntax looks like "kVarOne=5 myVar=3.0" (without the quotes), I found it by trial and error. Ben could you edit your answer to specify that? Thanks again.
– Steph Thirion
Dec 20 '08 at 2:56
...
How to test if parameters exist in rails
...en pre-processed before we get to where we're checking what's in it. Hence my list of possible special cases to check. Best to say exactly what you mean IMHO.
– mu is too short
Apr 12 '11 at 1:55
...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...aults to primary, which then somehow leads to the confusing slaveOk error. My problem is that I just wan to read from my replica set from any node. I don't even connect to it as to replicaset. I just connect to any node to read from it.
Setting readPreference to primaryPreferred (or better to the ...
How to get the first word of a sentence in PHP?
...
You can use the explode function as follows:
$myvalue = 'Test me more';
$arr = explode(' ',trim($myvalue));
echo $arr[0]; // will print Test
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How to create a Menubar application for Mac
...
You can check out one of my GitHug projects for an example: github.com/nippysaurus/WeatherRock/blob/master/…
– Nippysaurus
May 27 '11 at 3:00
...
push multiple elements to array
...
Sorry, i can't leave comments under answers (except my own) because of not enough reputation :). But seems this should be mentioned here to have complete overview. Could you please do it for me? Then i'll remove my answer.
– 12kb
Apr 5 '1...
How do you create a static class in C++?
...t would be a class with only static methods. For example:
// header
class MyClass
{
public :
static void myMethod() ;
} ;
// source
void MyClass::myMethod()
{
// etc.
}
But you must remember that "static classes" are hacks in the Java-like kind of languages (e.g. C#) that are unable ...
Using AES encryption in C#
...
// vector (IV).
using (RijndaelManaged myRijndael = new RijndaelManaged())
{
myRijndael.GenerateKey();
myRijndael.GenerateIV();
// Encrypt the string to an array of bytes.
...