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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
... buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可以一边思考一边继续阅读。
先讲讲Linux是如何管理内存的
在Linux里（别的系统也差不多...
How can I record a Video in my Android App.?
...r.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
...
Hosting Git Repository in Windows
...he git daemon running under Windows:
(Prerequisites: A default Cygwin installation and a git client that supports git daemon)
Step 1: Open a bash shell
Step 2: In the directory /cygdrive/c/cygwin64/usr/local/bin/, create a file named "gitd" with the following content:
#!/bin/bash
/usr/bin/git d...
Best timestamp format for CSV/Excel?
...andard from the Library of Congress. There is no prescribed way to specifically store dates. Also RFC-4180 and CSV-1203 //creativyst.com/Doc/Articles/CSV/CSV01.htm).
– ashleedawg
Sep 19 '18 at 15:44
...
How to calculate a Mod b in Casio fx-991ES calculator
Does anyone know how to calculate a Mod b in Casio fx-991ES Calculator. Thanks
10 Answers
...
What characters do I need to escape in XML documents?
...ted at the W3C Markup Validation Service.
Text
The safe way is to escape all five characters in text. However, the three characters ", ' and > needn't be escaped in text:
<?xml version="1.0"?>
<valid>"'></valid>
Attributes
The safe way is to escape all five characters i...
How to determine an interface{} value's “real” type?
I have not found a good resource for using interface{} types. For example
7 Answers
...
How to Execute a Python File in Notepad ++?
...
this calls cmd window. can we call powershell instead?
– Enthusiastic Engineer
Nov 10 '19 at 8:31
add a co...
How do I use $scope.$watch and $scope.$apply in AngularJS?
...cycle and $scope
First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any changes to all the variables watched by all the $scopes. So if you have $scope.myVar defined in your controller and th...
How to get a list of file names in different lines
I want to get a list of all the files in a directory, like with ls , so that each filename will be on a seperate line, without the extra details supplied by ls -l . I looked at ls --help and didn't find a solution. I tried doing
...