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How to get the next auto-increment id in mysql
... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases...
– Gerard ONeill
Feb 12 '16 at 15:26
...
How to get the difference between two arrays in JavaScript?
... The fastest way is the most obviously naive solution. I tested all of the proposed solutions for symmetric diff in this thread, and the winner is: function diff2(a, b) { var i, la = a.length, lb = b.length, res = []; if (!la) return b; else if (!lb) r...
How to solve the error LNK2019: unresolved external symbol - function?
...l but have not declared that class itself as import/export.
#ifdef MYDLL_EXPORTS
#define DLLEXPORT __declspec(dllexport)
#else
#define DLLEXPORT __declspec(dllimport)
#endif
class DLLEXPORT Book // <--- this class must also be declared as export/import
{
public:
Book();
...
Combine multiple Collections into a single logical Collection?
...llections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only).
I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the interna...
Append to a file in Go
...
This answers works in Go1:
f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
if _, err = f.WriteString(text); err != nil {
panic(err)
}
...
How to make an introduction page with Doxygen
...tation - very useful for documentation that is necessary but that is not really appropriate to include with your source code (for example, an FAQ)
So I would recommend having a mainpage.dox (or similarly named) file in your project directory to introduce you SDK. Note that inside this file you need...
abort, terminate or exit?
What's the difference between those three, and how shall I end program in case of exception which I can't handle properly?
...
Resizing UITableView to fit content
...
Actually I found the answer myself.
I just create a new CGRect for the tableView.frame with the height of table.contentSize.height
That sets the height of the UITableView to the height of its content.
Since the code modifies th...
Gradle store on local file system
... caches artifacts in USER_HOME/.gradle folder. The compiled scripts are usually in the .gradle folder in your project folder.
If you can't find the cache, maybe it's because you have not cached any artifacts yet. You can always see where Gradle has cached artifacts with a simple script:
apply plug...
java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...n I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands:
...