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What is the “right” way to iterate through an array in Ruby?
...nts giving you the value and the index:
array = ["A", "B", "C"]
array.each_with_index {|val, index| puts "#{val} => #{index}" }
Prints:
A => 0
B => 1
C => 2
I'm not quite sure from your question which one you are looking for.
...
Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
... hash of last commit. Checkout the branch you wish to be at, and git merge _hash_
– Daniel
May 31 '12 at 13:31
BE REAL...
Lambda function in list comprehensions
...rent copies of the squaring function, see:
>>> [lambda x: x*x for _ in range(3)]
[<function <lambda> at 0x00000000023AD438>, <function <lambda> at 0x00000000023AD4A8>, <function <lambda> at 0x00000000023AD3C8>]
Note the memory addresses of the lambdas - ...
Removing fields from struct or hiding them in JSON Response
...Same example as jorelli using this method: http://play.golang.org/p/JJNa0m2_nw
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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...>();
Next. Add the claims during user registration.
var result = await _userManager.CreateAsync(user, Model.Password);
if (result.Succeeded)
{
await _userManager.AddClaimAsync(user, new Claim(ClaimTypes.Email, Model.Email));
}
To send message to the specific user.
public class ChatHub : Hub...
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...he binary to your system PATH.
For example, on Mountain Lion, in ~/.bash_profile and ~/.bashrc my path was setup like this:
export ANT_HOME="/usr/share/ant"
export PATH=$PATH:$ANT_HOME/bin
So after uncompressing apache-ant-1.9.2-bin.tar.bz2 I moved the resulting directory to /usr/share/ and re...
How do I get a TextBox to only accept numeric input in WPF?
...nly want to allow numbers, dots and dashes.
private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text
private static bool IsTextAllowed(string text)
{
return !_regex.IsMatch(text);
}
If you want to prevent pasting of incorrect data hook up the DataObj...
What are file descriptors, explained in simple terms?
...ited Feb 19 '15 at 22:55
Freedom_Ben
8,59888 gold badges4949 silver badges8080 bronze badges
answered Mar 10 '11 at 7:31
...
Git: How to remove file from historical commit?
...anch --index-filter \
'git rm --cached --ignore-unmatch path/to/mylarge_50mb_file' \
--tag-name-filter cat -- --all
Like the rebasing option described before, filter-branch is rewriting operation. If you have published history, you'll have to --force push the new refs.
The filter-branch a...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
...c version 2.17, the library linking -lrt is no longer required.
The clock_* are now part of the main C library. You can see the change history of glibc 2.17 where this change was done explains the reason for this change:
+* The `clock_*' suite of functions (declared in <time.h>) is now avai...