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How do I remove code duplication between similar const and non-const member functions?
...heading "Avoid Duplication in const and Non-const Member Function," on p. 23, in Item 3 "Use const whenever possible," in Effective C++, 3d ed by Scott Meyers, ISBN-13: 9780321334879.
Here's Meyers' solution (simplified):
struct C {
const char & get() const {
return c;
}
char &...
How to open the Google Play Store directly from my Android application?
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23 Answers
23
Active
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How to pass a parcelable object that contains a list of objects?
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103
If class Product is compatible with parcelable protocol, following should work according to docu...
Postgresql query between date ranges
...gs
WHERE
login_date >= '2014-02-01'
AND login_date < '2014-03-01'
In this case you still need to calculate the start date of the month you need, but that should be straight forward in any number of ways.
The end date is also simplified; just add exactly one month. No messing about...
How does Apple know you are using private API?
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There are 3 ways I know. These are just some speculation, since I do not work in the Apple review team.
1. otool -L
This will list all libraries the app has linked to. Something clearly you should not use, like IOKit and WebKit can b...
How to include *.so library in Android Studio?
...ourlib.so
├── armeabi-v7a/ <-- ARM 32bit
│ └── yourlib.so
└── x86/ <-- Intel 32bit
└── yourlib.so
Deprecated solution
Add both code snippets in your module gradle.buil...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
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233
This question is actually answered in Chapter 7 of the Pro Git book:
Generally, eight to te...
R script line numbers at error?
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edited May 23 '17 at 11:47
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answered Sep 18 '09 at 18:04
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git mv and only change case of directory
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edited May 23 '17 at 11:55
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111 silver badge
answered Jun 10 '10 at 4:52
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Is it possible to Pivot data using LINQ?
...).Sum(c => c.Qty),
March = g.Where(c => c.OrderDate.Month == 3).Sum(c => c.Qty)
});
GroupBy in Linq does not work the same as SQL. In SQL, you get the key and aggregates (row/column shape). In Linq, you get the key and any elements as children of the key (hierarchical shape)...