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Check if at least two out of three booleans are true
...ewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.
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How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...would occur with DOM objects, for example. Stringify will throw an "Error: Converting circular structure to JSON".
– Ignacio Lago
Jan 17 '14 at 16:47
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curl -GET and -X GET
...t confuse matters with either. It is the long form of -G, which is used to convert data specified with -d into a GET request instead of a POST.
(I subsequently used my own answer here to populate the curl FAQ to cover this.)
Warnings
Modern versions of curl will inform users about this unnecessar...
Can an int be null in Java?
...areful when unboxing null Integers since this can cause a lot of confusion and head scratching!
e.g. this:
int a = object.getA(); // getA returns a null Integer
will give you a NullPointerException, despite object not being null!
To follow up on your question, if you want to indicate the absen...
Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
...l another form of SerializeObject below
var serializedObject = JsonConvert.SerializeObject(Data, Formatting.Indented);
response.Write(serializedObject);
}
EDIT 2: I removed the check for Data being null as per the suggestions below. That should make newer versions of JQuery hap...
Priority queue in .Net [closed]
...
I like using the OrderedBag and OrderedSet classes in PowerCollections as priority queues.
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Why does the C preprocessor interpret the word “linux” as the constant “1”?
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In the Old Days (pre-ANSI), predefining symbols such as unix and vax was a way to allow code to detect at compile time what system it was being compiled for. There was no official language standard back then (beyond the reference material at the back of the first edition of K&R), a...
How do I get bit-by-bit data from an integer value in C?
...( 1 << k )) >> k
Here we create a mask, apply the mask to n, and then right shift the masked value to get just the bit we want. We could write it out more fully as:
int mask = 1 << k;
int masked_n = n & mask;
int thebit = masked_n >> k;
You can read more...
How do I declare a 2d array in C++ using new?
... rowCount; ++i)
a[i] = new int[colCount];
The above, for colCount= 5 and rowCount = 4, would produce the following:
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Where is C not a subset of C++? [closed]
...definitions in C++
int n;
int n; // ill-formed: n already defined
int[] and int[N] not compatible (no compatible types in C++)
int a[1];
int (*ap)[] = &a; // ill-formed: a does not have type int[]
No K&R function definition style
int b(a) int a; { } // ill-formed: grammar error
Nest...