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What is the difference between encrypting and signing in asymmetric encryption?
... use their public key to write a message and they use their private key to read it.
When signing, you use your private key to write message's signature, and they use your public key to check if it's really yours.
I want to use my private key to generate messages so only I can possibly be the sender...
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 ...
UnicodeDecodeError, invalid continuation byte
...
In binary, 0xE9 looks like 1110 1001. If you read about UTF-8 on Wikipedia, you’ll see that such a byte must be followed by two of the form 10xx xxxx. So, for example:
>>> b'\xe9\x80\x80'.decode('utf-8')
u'\u9000'
But that’s just the mechanical cause of ...
What is the difference between .py and .pyc files? [duplicate]
...rg/tutorial/modules.html) : "A program doesn’t run any faster when it is read from a .pyc or .pyo file than when it is read from a .py file; the only thing that’s faster about .pyc or .pyo files is the speed with which they are loaded."
– mouad
Oct 12 '10 a...
Reading CSV file and storing values into an array
I am trying to read a *.csv -file.
19 Answers
19
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
...ps someone :)
import pandas as pd
import sqlalchemy as sa
import urllib
read_server = 'serverName'
read_database = 'databaseName'
read_params = urllib.quote_plus("DRIVER={SQL Server};SERVER="+read_server+";DATABASE="+read_database+";TRUSTED_CONNECTION=Yes")
read_engine = sa.create_engine("mssql+...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
I've just read on the net about a newly discovered security vulnerability in ASP.NET. You can read the details here.
10 An...
Why isn't String.Empty a constant?
In .Net why is String.Empty read only instead of a constant? I'm just wondering if anyone knows what the reasoning was behind that decision.
...
How to get IP address of the device from code?
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This is my helper util to read IP and MAC addresses. Implementation is pure-java, but I have a comment block in getMACAddress() which could read the value from the special Linux(Android) file. I've run this code only on few devices and Emulator but le...
CAP theorem - Availability and Partition Tolerance
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Consistency means that data is the same across the cluster, so you can read or write from/to any node and get the same data.
Availability means the ability to access the cluster even if a node in the cluster goes down.
Partition tolerance means that the cluster continues to function even if th...