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驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并且进程在其生命...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并且进程在其生命...
Odd behavior when Java converts int to byte?
...bits (the 1's to the left of the least significant 8 bits.)
When an int is converted into a byte, Java chops-off the left-most 24 bits
1111111111111111111111111010101
&
0000000000000000000000001111111
=
0000000000000000000000001010101
Since the 32nd bit is now the sign bit instead of the 8th ...
How do I check the operating system in Python?
I want to check the operating system (on the computer where the script runs).
5 Answers
...
How to run Django's test database only in memory?
...ttings.py to set the engine to sqlite when running my tests:
if 'test' in sys.argv:
DATABASE_ENGINE = 'sqlite3'
Or in Django 1.2:
if 'test' in sys.argv:
DATABASES['default'] = {'ENGINE': 'sqlite3'}
And finally in Django 1.3 and 1.4:
if 'test' in sys.argv:
DATABASES['default'] = {'...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网移动...
...的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并且进程在其生命...
C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
9
...
Find full path of the Python interpreter?
...
sys.executable contains full path of the currently running Python interpreter.
import sys
print(sys.executable)
which is now documented here
shar...
Convert a string to int using sql query
How to convert a string to integer using SQL query on SQL Server 2005?
4 Answers
4
...
Checking oracle sid and database name
...resume SELECT user FROM dual; should give you the current user
and SELECT sys_context('userenv','instance_name') FROM dual; the name of the instance
I believe you can get SID as SELECT sys_context('USERENV', 'SID') FROM DUAL;
...