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How to write log to file
...cs, os.Open() can't work for log.SetOutput, because it opens the file "for reading:"
func Open
func Open(name string) (file *File, err error) Open opens the named
file for reading. If successful, methods on the returned file can be
used for reading; the associated file descriptor has mo...
What are named pipes?
...ly. On Unix, a named pipe is a one-way street which typically has just one reader and one writer - the writer writes, and the reader reads, you get it?
On Windows, the thing called a "Named pipe" is an IPC object more like a TCP socket - things can flow both ways and there is some metadata (You can...
Sticky and NON-Sticky sessions
...ifference between sticky- and non-sticky sessions. What I understood after reading from internet:
2 Answers
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Is there an easy way to pickle a python function (or otherwise serialize its code)?
...
If you read the first couple of paragraphs on the marshal module you see it strongly suggests using pickle instead? Same for the pickle page. docs.python.org/2/library/marshal.html
– dgorissen
...
Encrypt & Decrypt using PyCrypto AES 256
...encrypt(self, raw):
raw = self._pad(raw)
iv = Random.new().read(AES.block_size)
cipher = AES.new(self.key, AES.MODE_CBC, iv)
return base64.b64encode(iv + cipher.encrypt(raw.encode()))
def decrypt(self, enc):
enc = base64.b64decode(enc)
iv = enc[:A...
How to add a Timeout to Console.ReadLine()?
...suffer from one or more of the following problems:
A function other than ReadLine is used, causing loss of functionality. (Delete/backspace/up-key for previous input).
Function behaves badly when invoked multiple times (spawning multiple threads, many hanging ReadLine's, or otherwise unexpected be...
What is the purpose of XORing a register with itself? [duplicate]
... recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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What does DIM stand for in Visual Basic and BASIC?
...
I remember reading a gw-basic programming guide in the early 80's and I explicitly remember it explaining DIM meaning Declare In Memory. Reading the Darthmouth Basic guide from '64 has LET and READ statements assign variables and their...
How to replace ${} placeholders in a text file?
...d is ${word}
File script.sh:
#!/bin/sh
#Set variables
i=1
word="dog"
#Read in template one line at the time, and replace variables (more
#natural (and efficient) way, thanks to Jonathan Leffler).
while read line
do
eval echo "$line"
done < "./template.txt"
Output:
#sh script.sh
the nu...
SPA best practices for authentication and session management
...o the API, where the server/API validates the token. It can't be decrypted/read without the private key (which the server/API stores secretly) Read update.
The new (more secure) flow would be:
Login
User logs in and sends login credentials to API (over SSL/HTTPS)
API receives login credentials
I...