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Specifying a custom DateTime format when serializing with Json.Net
...y ARE correct, although they are not strictly necessary here. See Literal String Delimiters in the documentation for Custom Date and Time Format Strings. However, the format I quoted as the default format for the IsonDateTimeConverter was taken directly from the Json.Net source code; therefore I a...
How do I create a comma-separated list from an array in PHP?
...r if you want to manipulate that data in the array before making it into a string; For example, addslashes, or mysql_real_escape_string.
– Naphtali Gilead
Aug 21 '15 at 15:48
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Correct way to load a Nib for a UIView subclass
...sult = nil;
NSArray* elements = [[NSBundle mainBundle] loadNibNamed: NSStringFromClass([self class]) owner:self options: nil];
for (id anObject in elements)
{
if ([anObject isKindOfClass:[self class]])
{
result = anObject;
break;
}
}
...
What is the purpose of using -pedantic in GCC/G++ compiler?
...f more extensions and generates more warnings. For example, if you have a string literal longer than 509 characters, then -pedantic warns about that because it exceeds the minimum limit required by the C89 standard. That is, every C89 compiler must accept strings of length 509; they are permitted ...
Possible to do a MySQL foreign key to one of two possible tables?
... do take advantage of database-enforced referential integrity:
Create one extra table per target. For example popular_states and popular_countries, which reference states and countries respectively. Each of these "popular" tables also reference the user's profile.
CREATE TABLE popular_states (
...
Is it better to call ToList() or ToArray() in LINQ queries?
...EDIT
A couple of people have asked me about the consequence of having the extra unused memory in the List<T> value.
This is a valid concern. If the created collection is long lived, is never modified after being created and has a high chance of landing in the Gen2 heap then you may be bet...
What is the worst real-world macros/pre-processor abuse you've ever come across?
...t;< s << std::endl;}};
struct S{F out;};
public static void main(String[] args) {
System.out.println("Hello World!");
}
Challenge: Can anyone do it with fewer defines and structs? ;-)
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Checking if a field contains a string
...ator, which allows me to check, if the value of a field contains a certain string.
10 Answers
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Red black tree over avl tree
...ack tree.
AVL trees store the balance factor at each node. This takes O(N) extra space. However, if we know that the keys that will be inserted in the tree will always be greater than zero, we can use the sign bit of the keys to store the colour information of a red-black tree. Thus, in such cases r...
Can an int be null in Java?
...
A great way to find out:
public static void main(String args[]) {
int i = null;
}
Try to compile.
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