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How to delete all Annotations on a MKMapView
...me with copy and paste and removing [locs release] and changing mapView to _mapView. I was following a great tutorial for MKDirections here devfright.com/mkdirections-tutorial and wanted to remove the pin after getting directions. I added the code below the last line of that method to the 'clear rou...
Safely override C++ virtual functions
...e keyword:
class child : public parent {
public:
// force handle_event to override a existing function in parent
// error out if the function with the correct signature does not exist
void handle_event(int something) override;
};
...
IntelliJ IDEA JDK configuration on Mac OS
...hich java in terminal, it prints /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java and then use Home dir path to input in IntelliJ idea dialog, like this /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home
– Maxim Yefremov
May...
Initializing a list to a known number of elements in Python [duplicate]
...x in xrange(N)]
10 loops, best of 3: 109 ms per loop
>>> def fill_list1():
"""Not too bad, but complicated code"""
a = [None] * N
for x in xrange(N):
a[x] = x**2
>>> %timeit fill_list1()
10 loops, best of 3: 126 ms per loop
>>> def fill_list2():
"...
Defining a function with multiple implicit arguments in Scala
...myFun(arg: String)(implicit p: (String, Int) ): Unit = {
println(arg + p._1 + p._2)
/*otherwise your actual code*/
}
// These implicit conversion are able to produce the basic implicit (String,Int) Tuples
implicit def idis(implicit is: String, ii: Int): (String,Int)= (is,ii)
implicit def idi(s:...
How to shut down the computer from C#
...vice usually doesnt have the permissions for it.
– AK_
Apr 11 '13 at 21:20
The power consumption state of the machine ...
The role of #ifdef and #ifndef
...o do something like that with the old #ifdef/#ifndef pair.
#if defined(ORA_PROC) || defined(__GNUC) && __GNUC_VERSION > 300
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How to create fixed space and flexible space bar button items programmatically?
..."Today" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)];
todayItem.tag = 2;
UIBarButtonItem *cashItem = [[UIBarButtonItem alloc] initWithTitle:@"Cash" style:UIBarButtonItemStylePlain target:self action:@selector(update_baritem:)];
cashItem.tag = 3;
UIBarButtonItem *c...
Javascript heredoc
... answered Jan 19 '13 at 16:19
Zv_oDDZv_oDD
1,5331616 silver badges2525 bronze badges
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Convert.ChangeType() fails on Nullable Types
...a series of blog posts including this at http://www.endswithsaurus.com/2010_07_01_archive.html (Scroll down to the Addendum, @JohnMacintyre actually spotted the bug in my original code which led me down the same path you're on now). I have a couple of small modifications since that post that includ...