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Error in finding last used cell in Excel with VBA
... It is highly unreliable. Try this experiment.
Type something in cell A5. Now when you calculate the last row with any of the methods given below, it will give you 5. Now color the cell A10 red. If you now use the any of the below code, you will still get 5. If you use Usedrange.Rows.Count what do ...
How to secure MongoDB with username and password
...
I have tried that and followed the example. now.. i can set it after I restart the server with --auth. However, when I try to login (./mongo -u theadmin -p 12345 ) I fail. I can't login.
– murvinlai
Feb 3 '11 at 0:10
...
How to check for an active Internet connection on iOS or macOS?
...
Use of www.appleiphonecell.com is now (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– Blu...
How to do constructor chaining in C#
I know that this is supposedly a super simple question, but I've been struggling with the concept for some time now.
8 An...
MongoDB: Combine data from multiple collections into one..how?
...collection called users_comments that contains the merged data and you can now use that. These reduced collections all have _id which is the key you were emitting in your map functions and then all of the values are a sub-object inside the value key - the values aren't at the top level of these red...
Rspec doesn't see my model Class. uninitialized constant error
... versions of RSpec move some stuff out of the spec/spec_helper.rb file, so now you also get a spec/rails_helper.rb file. If you run rails generate rspec:install, this is what it produces (rspec-rails 3.0.1, rails 4.1.1). Turns out the rails_helper.rb file contains some similar code to yours and shou...
C++ equivalent of java's instanceof
...seClass>(ptr)) { ... }
However, this purely operates on the types as known by the compiler.
Edit:
This code should work for polymorphic pointers:
template<typename Base, typename T>
inline bool instanceof(const T *ptr) {
return dynamic_cast<const Base*>(ptr) != nullptr;
}
E...
Feedback on using Google App Engine? [closed]
...t for creating apps which do not need lot of background processing.
Edit:
Now task queues can be used for running batch processing or scheduled tasks
Edit:
after working/creating a real application on GAE for a year, now my opnion is that unless you are making a application which needs to scale to...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...ion of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after
...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
... // $arr1 is still array(2, 3)
$arr3 = &$arr1;
$arr3[] = 4; // now $arr1 and $arr3 are the same
?>
For the first part, the best way to be sure is to try ;-)
Consider this example of code :
function my_func($a) {
$a[] = 30;
}
$arr = array(10, 20);
my_func($arr);
var_dump($arr...