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What are dictionary view objects?
...faster to obtain, as it does not have to copy any data (keys or values) in order to be created.
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Make Iframe to fit 100% of container's remaining height
...ode, so getting your page to look consistently across browsers becomes two orders of magnitude more difficult. Use a DOCTYPE. Always. Preferably the HTML5 one - <!DOCTYPE html>. It's easy to remember and works like a charm in all browsers, even the 10 years old ones.
The only exception is whe...
Finding all possible combinations of numbers to reach a given sum
....
To be as useful as possible, the code should return a List[List[Int]]in order to allow getting the number of solution (length of the list of lists), the "best" solution (the shortest list), or all the possible solutions.
Here is an example. It is very inefficient, but it is easy to understand.
...
What's the complete range for Chinese characters in Unicode?
... used in
Japanese copies of classical Chinese texts, to indicate reading order.
[\u3400-\u4DBF]
CJK Unified Ideographs Extension-A is a Unicode block containing rare
Han ideographs.
[\u4E00-\u9FCC]
CJK Unified Ideographs is a Unicode block containing the most common
CJK ideogra...
What is RSS and VSZ in Linux memory management
...79087] mongod invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
So we see that interestingly it was the MongoDB daemon that always runs in my laptop on the background that first triggered the OOM killer, presumably when the poor thing was trying to allocate some...
How do function pointers in C work?
... preparing the instance of the String, the newString function is called in order to set up the function pointers to their respective functions:
String newString()
{
String self = (String)malloc(sizeof(struct String_Struct));
self->get = &getString;
self->set = &setString;...
Get type of all variables
...te: character
typeof(5 && 4) #doubles are coerced by order of && logical
typeof(8 < 'foobar') #string and double is coerced logical
typeof(list(4, T)[[1]]) #a list retains type at every index: double
typeof(list(4, T)[[2]]) #a list retains type at...
Why does calling a method in my derived class call the base class method?
...ethod virtual and you have to override the function in the child class, in order to call the method of class object you put in parent class reference.
public class Person
{
public virtual void ShowInfo()
{
Console.WriteLine("I am Person");
}
}
public class Teacher : Person
{
...
Creating an empty file in C#
...that File.WriteAllText(string, string) uses "UTF-8 encoding without a Byte-Order Mark (BOM)". If you still see one, that would be a bug in WriteAllText or its documentation worth reporting.
– Heinzi
Mar 7 '17 at 14:09
...
What are the best PHP input sanitizing functions?
...tions to make your data a bit safer. That's fine. Your mistake is in the order of operations, and how and where to use these functions.
It's important to understand the difference between sanitizing and validating user data, escaping data for storage, and escaping data for presentation.
Sanitizing...