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How to get std::vector pointer to the raw data?
...&something[0] or &something.front() (the address of the element at index 0), or
&*something.begin() (the address of the element pointed to by the iterator returned by begin()).
In C++11, a new member function was added to std::vector: data(). This member function returns the address...
Alter a MySQL column to be AUTO_INCREMENT
...type (INT in this case). Also, the column you are trying to alter must be indexed (it does not have to be the primary key, but usually that is what you would want). Furthermore, there can only be one AUTO_INCREMENT column for each table. So, you may wish to run the following SQL (if your column i...
Wrong requestCode in onActivityResult
...quest code is not wrong. When using v4 support library fragments, fragment index is encoded in the top 16 bits of the request code and your request code is in the bottom 16 bits. The fragment index is later used to find the correct fragment to deliver the result.
Hence for Activities started form f...
Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
...
How to check if a string “StartsWith” another string?
...
Another alternative with .lastIndexOf:
haystack.lastIndexOf(needle, 0) === 0
This looks backwards through haystack for an occurrence of needle starting from index 0 of haystack. In other words, it only checks if haystack starts with needle.
In princip...
How to read and write into file using JavaScript?
... looking to do this in a browser (if he is, as has been stated, it is generally not possible)
However javascript per se does allow this; it can be done with server side javascript.
See this documentation on the Javascript File class
Edit: That link was to the Sun docs that now have been moved by ...
Programmatically access currency exchange rates [closed]
... this, is there any information on what the parameters stand for? Specifically the "f" parameter. I can't find any info anywhere.
– Fishcake
Oct 8 '09 at 6:12
9
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Read specific columns from a csv file with csv module?
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Is it possible to remove the index numbers from the query? @Ryan Saxe
– Malachi Bazar
Nov 15 '16 at 20:28
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What is the best Battleship AI?
... public Cell<T> SafeLookup(int x, int y)
{
int index = SafeCalc(x, y, false);
if (index < 0)
return null;
return history[index];
}
#region IEnumerable<Cell<T>> Members
public IEnumerator<C...
What do querySelectorAll and getElementsBy* methods return?
...List object represents a collection of nodes. The nodes can be
accessed by index numbers. The index starts at 0.
Tip: You can use the length property of the NodeList object to determine the number of elements with a specified class name, then you can loop through all elements and extract the info y...