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虚拟机安装CentOS出错：EDD:Error 8000 reading sector 2106934 - 环境配置...
EDD:Error 8000 reading sector 2106934
No DEFAULT or UI configuration directive found!
boot:
Getting closer!
When i start to install every thing seem to be fine.
1.Select language k
2.select location k
3.configure keyboard k
4.network config k
then it gets stuck on a purple screen with n...
UTF-8 byte[] to String
Let's suppose I have just used a BufferedInputStream to read the bytes of a UTF-8 encoded text file into a byte array. I know that I can use the following routine to convert the bytes to a string, but is there a more efficient/smarter way of doing this than just iterating through the bytes and con...
Load RSA public key from file
...rivate_key.pem 2048
Convert private Key to PKCS#8 format (so Java can read it)
$ openssl pkcs8 -topk8 -inform PEM -outform DER -in private_key.pem -out private_key.der -nocrypt
Output public key portion in DER format (so Java can read it)
$ openssl rsa -in private_key.pem -pubo...
How to read the RGB value of a given pixel in Python?
...
For future readers: pip install pillow will install PIL successfully and fairly quickly (may need sudo if not in a virtualenv).
– Christopher Shroba
Aug 30 '15 at 1:59
...
Are “while(true)” loops so bad? [closed]
... actOnInput(input);
}
}
I view the latter as more complicated to read: it's got an extra else block, the actOnInput is more indented, and if you're trying to work out what happens when testCondition returns true, you need to look carefully through the rest of the block to check that there ...
How to send email attachments?
...n(f, "rb") as fil:
part = MIMEApplication(
fil.read(),
Name=basename(f)
)
# After the file is closed
part['Content-Disposition'] = 'attachment; filename="%s"' % basename(f)
msg.attach(part)
smtp = smtplib.SMTP(serv...
Read connection string from web.config
How can I read a connection string from a web.config file into a public class contained within a class library?
12 Answer...
Reading 64bit Registry from a 32bit application
...64 bit parameter if required - however, if you omit it then it will try to read 64 bit, if that fails (null value), it reads the 32 bit values.
There is one speciality here: Because GetAllRegValueNames is usually used in a loop context (see Example 1 above), it returns an empty enumerable rather tha...
Read environment variables in Node.js
Is there a way to read environment variables in Node.js code?
6 Answers
6
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How does one write code that best utilizes the CPU cache to improve performance?
...andwidth is also a limiting factor, particularly for multicores and multithreaded applications where many threads wants to use the memory bus. A different set of techniques help addressing the latter issue.
Improving spatial locality means that you ensure that each cache line is used in full once i...