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Are C++ enums signed or unsigned?
...operands using the < operator, we are actually talking about implicitly converting the enum type to some integral type. It is the sign of this integral type that matters. And when converting enum to integral type, this statement applies:
9 The value of an enumerator or an object of an enumeratio...
How to convert a Java 8 Stream to an Array?
What is the easiest/shortest way to convert a Java 8 Stream into an array?
10 Answers
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Clear file cache to repeat performance testing
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Use SysInternal's RAMMap app.
The Empty / Empty Standby List menu option will clear the Windows file cache.
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how to convert array values from string to int?
returns
14 Answers
14
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Can we define implicit conversions of enums in c#?
...ic static implicit operator AccountStatus(byte value)
{
return Convert(value);
}
}
The base class (RichEnum) is listed below.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using Sy...
Cast List to List in .NET 2.0
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.NET 2.0 has the ConvertAll method where you can pass in a converter function:
List<int> l1 = new List<int>(new int[] { 1, 2, 3 } );
List<string> l2 = l1.ConvertAll<string>(delegate(int i) { return i.ToString(); })...
Android and setting width and height programmatically in dp units
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You'll have to convert it from dps to pixels using the display scale factor.
final float scale = getContext().getResources().getDisplayMetrics().density;
int pixels = (int) (dps * scale + 0.5f);
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How to convert integer to string in C? [duplicate]
I tried this example:
3 Answers
3
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How to get name of exception that was caught in Python?
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You can also use sys.exc_info(). exc_info() returns 3 values: type, value, traceback. On documentation: https://docs.python.org/3/library/sys.html#sys.exc_info
import sys
try:
foo = bar
except Exception:
exc_type, value, traceback = ...
Can I use GDB to debug a running process?
...g to the child of one shell from another.
You'll likely need to set /proc/sys/kernel/yama/ptrace_scope depending on your requirements. Many systems now default to 1 or higher.
The sysctl settings (writable only with CAP_SYS_PTRACE) are:
0 - classic ptrace permissions: a process can PTRACE_ATTACH ...