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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
...5320k used, 2806804k free, 245020k 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
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Error TF30063: You are not authorized to access … \DefaultCollection
...n an office where everything was turned off and unplugged overnight due to 100+ mph gales. I'm assuming that once the TFS server restarted it needed anyone to re-authenticate...
– Fetchez la vache
Feb 13 '14 at 9:39
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Save Screen (program) output to a file
...al device
You can then use tail to see that the file is updating.
tail -100 out.txt
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What is a thread exit code?
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100
There actually doesn't seem to be a lot of explanation on this subject apparently but the exit...
Example: Communication between Activity and Service using Messaging
...id someTaskInYourService(){
//For example you downloading from server 1000 files
for(int i = 0; i < 1000; i++) {
Thread.sleep(5000) // 5 seconds. Catch in try-catch block
sendBroadCastMessage(Events.UPDATE_DOWNLOADING_PROGRESSBAR, i,0,"up_download_progress");
}
For ...
width:auto for fields
.... The default size is what's driving the auto width.
You could try width:100% as illustrated in my example below.
Doesn't fill width:
<form action='' method='post' style='width:200px;background:khaki'>
<input style='width:auto' />
</form>
Fills width:
<form action='' me...
Is it possible to create a multi-line string variable in a Makefile
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Charlie MartinCharlie Martin
100k2222 gold badges175175 silver badges249249 bronze badges
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How do I create test and train samples from one dataframe with pandas?
... would just use numpy's randn:
In [11]: df = pd.DataFrame(np.random.randn(100, 2))
In [12]: msk = np.random.rand(len(df)) < 0.8
In [13]: train = df[msk]
In [14]: test = df[~msk]
And just to see this has worked:
In [15]: len(test)
Out[15]: 21
In [16]: len(train)
Out[16]: 79
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HashMap with multiple values under the same key
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BozhoBozho
539k129129 gold badges10061006 silver badges11101110 bronze badges
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How to get rid of blank pages in PDF exported from SSRS
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YES x100! It's too bad you can't have 2 "accepted answers", because it seems like the proper course is a combo of both this and the accepted one. Kudos to you!
– NateJ
Aug 31 '16 at 18:55
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