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Best practices with STDIN in Ruby?
...ARGF is your friend when it comes to input; it is a virtual file that gets all input from named files or all from STDIN.
ARGF.each_with_index do |line, idx|
print ARGF.filename, ":", idx, ";", line
end
# print all the lines in every file passed via command line that contains login
ARGF.each do...
Operator overloading : member function vs. non-member function?
...use it can have only one parameter and the other parameter passed automatically is the this pointer. So no standard exists to compare them. On the other hand, overloaded operator declared as a friend is symmetric because we pass two arguments of the same type and hence, they can be compared.
...
If I fork someone else's private Github repo into my account, is it going to appear in my account as
... pretty sure this is a stupid question, but could you elaborate more especially on the last sentence?
– Terence Ponce
Mar 9 '12 at 5:56
1
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What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
...the data from other domains making this request to yours.
However, if you allowed GET requests then as well as making an AJAX request similar to the above with GET instead of POST, a malicious user could include your JSON in the context of their own site by using a script tag in the HTML. e.g. on w...
What is the most pythonic way to check if an object is a number?
...and is not iterable" could be a good definition in some cases. But,
you really need to ask yourself, what it is that you're asking that what you want to consider "a number" must definitely be able to do, and what it must absolutely be unable to do -- and check.
This may also be needed in 2.6 or la...
How should I escape commas and speech marks in CSV files so they work in Excel?
...
We eventually found the answer to this.
Excel will only respect the escaping of commas and speech marks if the column value is NOT preceded by a space. So generating the file without spaces like this...
Reference,Title,Description
1...
Avoid line break between html elements
... robust alternative is to use nobr markup, which is nonstandard but universally supported and works even when CSS is disabled:
<td><nobr><i class="flag-bfh-ES"></i> +34 666 66 66 66</nobr></td>
(You can, but need not, use &nbsp; instead of spaces in this ca...
Get type of all variables
...(c(TRUE, FALSE)) #a vector containing only logicals: logical
#R is really cramping my style, killing my high, irritation is increasing:
typeof(factor()) #an empty factor has default type: integer
typeof(factor(3.14)) #a factor containing doubles: integer
typeof(factor(...
Calling Objective-C method from C++ member function?
I have a class ( EAGLView ) which calls a member function of a C++ class without problems. Now, the problem is that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax...
How to generate an openSSL key using a passphrase from the command line?
... running on the machine at the time, since command-line arguments are generally visible to all processes.
A better alternative is to write the passphrase into a temporary file that is protected with file permissions, and specify that:
openssl genrsa -aes128 -passout file:passphrase.txt 3072
Or s...