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How to get a specific output iterating a hash in Ruby?
I want to get a specific output iterating a Ruby Hash.
6 Answers
6
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How exactly do Django content types work?
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So you want to use the Content Types framework on your work?
Start by asking yourself this question: "Do any of these models need to be related in the same way to other models and/or will I be reusing these relationships in unforseen ways later down the road?" The reason why we ask this ques...
Can lambda functions be templated?
...morphic Lambdas will be in C++14, at least they are in the Community Draft by now :)
– Arne Mertz
May 8 '13 at 5:42
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Search All Fields In All Tables For A Specific Value (Oracle)
... the 'DTN' string is just a guess on your part, that probably won't help.
By the way, how certain are you that '1/22/2008P09RR8' is a value selected directly from a single column? If you don't know at all where it is coming from, it could be a concatenation of several columns, or the result of som...
How to enter command with password for git pull?
... unencrypted passwords changes with Git 2.5+ (Q2 2014).
See commit 17c7f4d by Junio C Hamano (gitster)
credential-xdg
Tweak the sample "store" backend of the credential helper to honor XDG configuration file locations when specified.
The doc now say:
If not specified:
credenti...
How can I safely create a nested directory?
... danger of concurrent operations may be more or less than the danger posed by other factors such as file permissions. The developer would have to know more about the particular application being developed and its expected environment before choosing an implementation.
Modern versions of Python impr...
Handling very large numbers in Python
...l work as normal.
The int value is unlimited.
Careful when doing division, by default the quotient is turned into float, but float does not support such large numbers. If you get an error message saying float does not support such large numbers, then it means the quotient is too large to be stored i...
How to open, read, and write from serial port in C?
...he introductory comments of <features.h> says:
/* These are defined by the user (or the compiler)
to specify the desired environment:
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_BSD_SOURCE ISO C, POSIX, and 4.3BSD things.
_SVID_SOURCE ISO C, POSIX, and SVID things.
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*/
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Visual Studio debugger - Displaying integer values in Hex
... decimal display on a per-variable basis in the Visual Studio watch window by appending a debugger format specifier to the variable name. In the watch window, enter:
myInt,h
myInt,d
The other very useful format specifiers are ac (see footnote) for 'always calculate', and nq for displaying with 'n...
A non-blocking read on a subprocess.PIPE in Python
...us IO -- asyncio module.
The approach is similar to twisted-based answer by @Bryan Ward -- define a protocol and its methods are called as soon as data is ready:
#!/usr/bin/env python3
import asyncio
import os
class SubprocessProtocol(asyncio.SubprocessProtocol):
def pipe_data_received(self,...