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Bash foreach loop
...s say a file).
On each line there is a file name.
How can I read this file and display the content for each one.
7 Answers
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Turn a simple socket into an SSL socket
I wrote simple C programs, which are using sockets ('client' and 'server').
(UNIX/Linux usage)
4 Answers
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Convert list to tuple in Python
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Expanding on eumiro's comment, normally tuple(l) will convert a list l into a tuple:
In [1]: l = [4,5,6]
In [2]: tuple
Out[2]: <type 'tuple'>
In [3]: tuple(l)
Out[3]: (4, 5, 6)
However, if you've redefined tuple to be...
Give all the permissions to a user on a DB
...ng it an admin.
The reason why I want to do that is that at the moment DEV and PROD are different DBs on the same cluster so I don't want a user to be able to change production objects but it must be able to change objects on DEV.
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correct way to use super (argument passing)
So I was following Python's Super Considered Harmful , and went to test out his examples.
3 Answers
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Is 0 a decimal literal or an octal literal?
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Yes, 0 is an Octal literal in C++.
As per the C++ Standard:
2.14.2 Integer literals [lex.icon]
integer-literal:
decimal-literal integer-suffixopt
octal-literal integer-suffixopt
hexadecimal-literal integer-suffixopt
decimal-literal:
nonzero-digit ...
What are “Groovy” and “Grails” and what kinds of applications are built using them?
Nowadays I hear a lot about "Groovy on Grails" and I want to know more about it:
4 Answers
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
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Well considering there's no overhead difference between a varchar(30) and a varchar(100) if you're only storing 20 characters in each, err on the side of caution and just make it 50.
share
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im...
Is “inline” without “static” or “extern” ever useful in C99?
...extern inline do?
The idea is that "inline" can be used in a header file, and then "extern inline" in a .c file. "extern inline" is just how you instruct the compiler which object file should contain the (externally visible) generated code.
[update, to elaborate]
I do not think there is any use ...
Rails: Adding an index after adding column
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rails generate migration AddUserRefToProducts user:references
This command will generate the following migration:
class AddUserRefToProducts < ActiveRecord::Migration
def change
add_reference :user, :product, index: true
end
end
After running rake db:migrate both a user_id column a...