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Is the pImpl idiom really used in practice?
...ime
Compilation time is decreased, since only the source (implementation) file of X needs to be rebuilt when you add/remove fields and/or methods to the XImpl class (which maps to adding private fields/methods in the standard technique). In practice, it's a common operation.
With the standard head...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...cenes the C# compiler is just putting List<Person> into the .NET dll file, but at runtime the JIT compiler goes and builds a new set of code, as if you had written a special list class just for containing people - something like ListOfPerson.
The benefit of this is that it makes it really fas...
How to determine the memory footprint (size) of a variable?
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You Probably need a Memory Profiler. I have gathered information fro SO but I have copied the some important thing which may help you also.
As you probably know, Xdebug dropped the memory profiling support since the 2.* version. Please search for the "rem...
How do I escape characters in c# comments?
...garbage in my comments only help if we take the time to build our document file when the vast, vast, vast (did I mention vast?) majority of use cases is reading the comments in the source (preferably an interface).
– Rick O'Shea
Oct 21 '18 at 18:19
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Get the current displaying UIViewController on the screen in AppDelegate.m
...o suggest please let me know and I can add it.
UIWindow+PazLabs.h (header file)
#import <UIKit/UIKit.h>
@interface UIWindow (PazLabs)
- (UIViewController *) visibleViewController;
@end
UIWindow+PazLabs.m (implementation file)
#import "UIWindow+PazLabs.h"
@implementation UIWindow (PazL...
Android Whatsapp/Chat Examples [closed]
...ngo.scringosample.MainActivity}: android.view.InflateException: Binary XML file line #36: Error inflating class com.scringo.ScringoLeftActivationButton
– user1878413
Jun 6 '13 at 8:17
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How can I make Jenkins CI with Git trigger on pushes to master?
..."hooks" folder in your hidden .git folder. Rename the "post-commit.sample" file to "post-commit". Open it with Notepad, remove the ": Nothing" line and paste the above command into it.
That's it. Whenever you do a commit, Git will trigger the post-commit commands defined in the file.
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How to send only one UDP packet with netcat?
..."hello" >/dev/udp/remotehost/8000
These are not "real" devices on the file system, but bash "special" aliases. There is additional information in the Bash Manual.
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Is there any connection string parser in C#?
...ite it provider-agnostic way. You would need to specify provider in config file and have the right version of dll available. For eg.,
var c = "server=localhost;User Id=root;database=ppp";
var f = DbProviderFactories.GetFactory("MySql.Data.MySqlClient"); //your provider
var b = f.CreateConnectionStr...
“static const” vs “#define” vs “enum”
...ternative.
If you really NEED to go with a macro (for example, you want __FILE__ or __LINE__), then you'd better name your macro VERY carefully: in its naming convention Boost recommends all upper-case, beginning by the name of the project (here BOOST_), while perusing the library you will notice t...