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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...监控日志，一方面帮助日志微调，一方面及早发现程序的问题
只做到第1点的，你可以洗洗去睡了。很多公司都有做到第2点和第3点，这些公司的服务端程序基本已经跑了很长时间了，已比较稳定，确实无需花太多时间去关注...
Is Java a Compiled or an Interpreted programming language ?
...tion to compile the bytecode to native instructions understood by hardware CPU on the fly at runtime.
Some implementations of JVM may choose to interpret the bytecode instead of JIT compiling it to machine code, and running it directly. While this is still considered an "interpreter," It's quite ...
Edit and Continue: “Changes are not allowed when…”
...ug Mode
Make sure you're not launching a mixed mode process
Try to set the CPU target to x86 rather than AnyCPU (on x64 machines)
Uncheck the Optimize Code checkbox for Debug Mode in Project Properties->Debug
Uncheck Enable Optimizations in Advanced Compiler Settings
(ASP.NET) Check nightcoder's ...
Maximum number of threads per process in Linux?
.../100k-pthread-create-app
2018 update from @Thomas, on systemd systems:
/etc/systemd/logind.conf: UserTasksMax=100000
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Should I Stop Stopwatch at the end of the method?
...
Also a Stopwatch isn't doing any work or eating cpu clock cycles between the calls to Start() and Stop(). Start() just sets a timestamp to now and Stop() calculates and saves the time elapsed since that. See source in coreclr: github.com/dotnet/corefx/blob/master/src/…
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How to throw an exception in C?
... process, signals to the process (Program Error Signals (GNU libc)) or the CPU hardware interruption (or other notification error form the CPU if there is)(How processor handles the case of division by zero).
Exceptions are defined in C++ and other languages though. Exception handling in C++ is spe...
Return a `struct` from a function in C
...behaviour with respect to pass-by-value for parameter passing, assignment, etc.:
#include <stdio.h>
int f(int x)
{
int r = x;
return r;
}
int main(void)
{
int x = 12;
int y = f(x);
printf("%d\n", y);
return 0;
}
...
How can I transition height: 0; to height: auto; using CSS?
...uite like the jQuery slideUp/Down. You can see a difference only with weak CPU's, like old computers or mobile, and opening and closing many of them at the same time.
– Cruz Nunez
Jul 1 '16 at 4:12
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Understanding garbage collection in .NET
...longer used. Also whether that variable is stored on the stack frame or a cpu register.
This table is essential to the garbage collector, it needs to know where to look for object references when it performs a collection. Pretty easy to do when the reference is part of an object on the GC heap. ...
How do you calculate log base 2 in Java for integers?
...lace a few static math functions with alternative implementations based on CPU intrinsics. One of those functions is Integer.numberOfLeadingZeros(). So with a 1.7 or newer server VM, a implementation like the one in the question is actually slightly faster than the binlog above. Unfortunatly the cli...