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How do I enable C++11 in gcc?
...from http://hpc.sourceforge.net on Mac OSX Mountain Lion. I am trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time:
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Android ListView Divider
...cify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy
For dividers, 1px is the correct height if you want a 1 pixel divider and is one ...
promise already under evaluation: recursive default argument reference or earlier problems?
...deep down the chain of functions (about 5 levels), and this solution can become .....cumbersome. :)
– Roman Luštrik
Feb 9 '12 at 13:59
2
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Scanner is skipping nextLine() after using next() or nextFoo()?
...r#nextInt() is way more lenient in finding correct ints, by allowing group commas and locale prefixes and suffixes. Integer#parseInt() allows digits and decimal point only plus an optional sign.
– Mordechai
Jan 11 '17 at 3:00
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
I want to plot data, then create a new figure and plot data2, and finally come back to the original plot and plot data3, kinda like this:
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Interop type cannot be embedded
... edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Mar 20 '10 at 15:54
Jon SkeetJon Skeet
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What are Scala context and view bounds?
...available, so that one can call B methods on an object of type A. The most common usage of view bounds in the standard library (before Scala 2.8.0, anyway), is with Ordered, like this:
def f[A <% Ordered[A]](a: A, b: A) = if (a < b) a else b
Because one can convert A into an Ordered[A], and...
Entity Framework .Remove() vs. .DeleteObject()
... identifying (which means that the foreign key is not part of the child's (composite) primary key) you have to either add the child to another parent or you have to explicitly delete the child (with DeleteObject then). If you don't do any of these a referential constraint is violated and EF will thr...
How can I detect if this dictionary key exists in C#?
...TryGetValue:
dict.TryGetValue(key, out value);
Update: according to a comment the actual class here is not an IDictionary but a PhysicalAddressDictionary, so the methods are Contains and TryGetValue but they work in the same way.
Example usage:
PhysicalAddressEntry entry;
PhysicalAddressKey k...
Scheduling recurring task in Android
...that the phone will in some cases sleep as soon as your onReceive() method completes. If your alarm receiver called Context.startService(), it is possible that the phone will sleep before the requested service is launched. To prevent this, your BroadcastReceiver and Service will need to implement a ...