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How do I measure execution time of a command on the Windows command line?
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brilliant! Even though, for CPU time it doesn't really help
– Elijah Saounkine
Jun 10 '11 at 6:55
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What is the function of the push / pop instructions used on registers in x86 assembly?
...uestions/29730/processor-microcode-manipulation-to-change-opcodes
How many CPU cycles are needed for each assembly instruction?
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How many threads can a Java VM support?
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This depends on the CPU you're using, on the OS, on what other processes are doing, on what Java release you're using, and other factors. I've seen a Windows server have > 6500 Threads before bringing the machine down. Most of the threads w...
C++ : why bool is 8 bits long?
...s wide, and on systems where that is the case, it is generally because the CPU is only able to address 8-bit bytes.
– jalf
Jan 14 '10 at 14:46
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What is compiler, linker, loader?
...ncompatible type".
4) Pre-Optimization:
This unit is independent of the CPU, i.e., there are two types of optimization
Preoptimization (CPU independent)
Postoptimization (CPU dependent)
This unit optimizes the code in following forms:
I) Dead code elimination
II) Sub code elimination
III) L...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...IMEOUT 设置连接等待时间
7. CURLOPT_FOLLOWLOCATION
设置重定位URL
CURLOPT_RANGE: CURLOPT_RESUME_FROM:
断点续传相关设置。CURLOPT_RANGE 指定char *参数传递给libcurl，用于指明http域的RANGE头域，例如：
表示头500个字节：bytes=0-499
表示第二个...
'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
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In my case, I had to switch from "Any CPU" to x64 to match my architecture.
– Rob Sedgwick
Jun 19 '16 at 12:02
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Android emulator failed to allocate memory 8
....lcd.density=160
sdcard.size=300M
skin.path=1280x800
skin.name=1280x800
hw.cpu.arch=arm
abi.type=armeabi-v7a
hw.cpu.model=cortex-a8
vm.heapSize=48
hw.ramSize=1024MB
image.sysdir.1=system-images\android-16\armeabi-v7a\
This config shows the software keys too
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...经常死机，登陆到终端看了一下，都是常见的 Out of memory 问题。这通常是因为某时刻应用程序大量请求 最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉，还有位客户抱怨 VPS 经常死机，登陆到终端看了一下，都是常见的 Out of memory 问...
Why aren't variable-length arrays part of the C++ standard?
...loca(), I didn't really care that the memory was physically located on the cpu stack, just that it came from some stack allocator that didn't incur slow trips to the general heap. So I have a per-thread object that owns some memory from which it can push/pop variable sized buffers. On some platfor...