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using rust with rr

rr is a great debugging tool. it records a trace of a program's execution, as well as the results of any syscalls it executes, so that you can "rewind" while you debug, and get deterministic forward and reverse instrumented playback. it works with rust, but by default if you try it out, it could be pretty ugly when you inspect variables. if this bothers you, configure gdb to use a rust pretty-printer

rr is probably in your system's package manager.

usage

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#!/bin/sh
# postinst script for ros librealsense package
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>

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from sshtunnel import SSHTunnelForwarder
import pymongo

MONGO_HOST = "IP_ADDRESS"
MONGO_USER = "USERNAME"
MONGO_PASS = "PASSWORD"
MONGO_DB = "DATABASE_NAME"
MONGO_COLLECTION = "COLLECTION_NAME"

# define ssh tunnel

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"""Information Retrieval metrics

Useful Resources:
http://www.cs.utexas.edu/~mooney/ir-course/slides/Evaluation.ppt
http://www.nii.ac.jp/TechReports/05-014E.pdf
http://www.stanford.edu/class/cs276/handouts/EvaluationNew-handout-6-per.pdf
http://hal.archives-ouvertes.fr/docs/00/72/67/60/PDF/07-busa-fekete.pdf
Learning to Rank for Information Retrieval (Tie-Yan Liu)
"""
import numpy as np

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Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

---

General rules

1. Follow standard conventions.
2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
3. Boy scout rule. Leave the campground cleaner than you found it.
4. Always find root cause. Always look for the root cause of a problem.

Design rules

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Commit Message Guidelines

Short (72 chars or less) summary

More detailed explanatory text. Wrap it to 72 characters. The blank
line separating the summary from the body is critical (unless you omit
the body entirely).

Write your commit message in the imperative: "Fix bug" and not "Fixed
bug" or "Fixes bug." This convention matches up with commit messages

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kubectl get secrets secret-name -o json --namespace old | jq '.metadata.namespace = "new"' | kubectl create -f  -

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# Check for the presence of AVX and figure out the flags to use for it.
macro(CHECK_FOR_AVX)
    set(AVX_FLAGS)

    include(CheckCXXSourceRuns)
    set(CMAKE_REQUIRED_FLAGS)

    # Check AVX
    if(MSVC AND NOT MSVC_VERSION LESS 1600)
        set(CMAKE_REQUIRED_FLAGS "/arch:AVX")

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// A header file to get you set going with Intel SIMD instrinsic programming. 
// All necessary header files are inlucded for SSE2, SSE41, and AVX2
// Macros make the intrinsics easier to read and  generic so you can compile to 
// SSE2 or AVX2 with the flip of a #define


#define SSE2  //indicates we want SSE2
#define SSE41 //indicates we want SSE4.1 instructions (floor and blend is available)
#define AVX2 //indicates we want AVX2 instructions (double speed!) 

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# Typical setup to include TensorFlow.
import tensorflow as tf

# Make a queue of file names including all the JPEG images files in the relative
# image directory.
filename_queue = tf.train.string_input_producer(
    tf.train.match_filenames_once("./images/*.jpg"))

# Read an entire image file which is required since they're JPEGs, if the images
# are too large they could be split in advance to smaller files or use the Fixed