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C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
... Expression.Property(parameter, p.Name),
Expression.Convert(
Expression.PropertyOrField(Expression.Constant(new { id = id[i] }), "id"),
p.ClrType)))
.Aggregate(Expression.AndAlso);
return Expression.Lambda<Func<...
Why does ~True result in -2?
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int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (since the number begins...
What do linkers do?
I've always wondered. I know that compilers convert the code you write into binaries but what do linkers do? They've always been a mystery to me.
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Exact time measurement for performance testing [duplicate]
...d Mar 24 '13 at 11:05
Ivaylo Strandjev
62.1k1313 gold badges104104 silver badges159159 bronze badges
answered Jun 9 '09 at 10:40
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How to remove all the occurrences of a char in c++ string
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Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase.
See this question which answers the same problem. In your case:
#include <algorithm>
str.erase(std::remove(str.begin(), str.end(), 'a'), str.end());
Or us...
How to get position of a certain element in strings vector, to use it as an index in ints vector?
...C++11 you can use std::distance in place of subtraction for both iterators and pointers:
ptrdiff_t pos = distance(Names.begin(), find(Names.begin(), Names.end(), old_name_));
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install / uninstall APKs programmatically (PackageManager vs Intents)
My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of installed applications. But this should not be necessary! It should be the responsibility of the PackageManager to maintain the ...
How to create a circular ImageView in Android? [duplicate]
How could I create a rounded ImageView in Android?
1 Answer
1
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How to do integer division in javascript (Getting division answer in int not float)? [duplicate]
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var x = parseInt(455/10);
The parseInt() function parses a string and returns an integer.
The radix parameter is used to specify which numeral system to be
used, for example, a radix of 16 (hexadecimal) indicates that the
number in the string should be parsed from a hexadecimal num...
how to implement a long click listener on a listview
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The XML for each item in the list (should you use a custom XML) must have android:longClickable="true" as well (or you can use the convenience method lv.setLongClickable(true);). This way you can have a list with only some items responding to longclick.
Hope this will help you.
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