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How to track child process using strace?
... filename to produce multiple files (one per pid).
eg:
strace -o process_dump -ff ./executable
grep clone process_dump*
that would help you see which parent created what. Maybe that would help you - at least then you could search backwards.
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JSON to pandas DataFrame
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I found a quick and easy solution to what I wanted using json_normalize() included in pandas 1.01.
from urllib2 import Request, urlopen
import json
import pandas as pd
path1 = '42.974049,-81.205203|42.974298,-81.195755'
request=Request('http://maps.googleapis.com/maps/api/elevati...
Rails hidden field undefined method 'merge' error
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You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expects a hash as a second argument
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Setting Curl's Timeout in PHP
...cumentation: http://www.php.net/manual/en/function.curl-setopt.php
CURLOPT_CONNECTTIMEOUT - The number of seconds to wait while trying to connect. Use 0 to wait indefinitely.
CURLOPT_TIMEOUT - The maximum number of seconds to allow cURL functions to execute.
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT...
Clear variable in python
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If want to totally delete it use del:
del your_variable
Or otherwise, to Make the value None:
your_variable = None
If it's an iterable (such as a list or tuple), you can make it empty like:
your_variable.clear()
Then your_variable will be empty
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How to split a file into equal parts, without breaking individual lines? [duplicate]
...u need to know what that 75 should really be for N equal parts, its:
lines_per_part = int(total_lines + N - 1) / N
where total lines can be obtained with wc -l.
See the following script for an example:
#!/usr/bin/bash
# Configuration stuff
fspec=qq.c
num_files=6
# Work out lines per file.
t...
SFTP in Python? (platform independent)
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@user443854 yes there is pysftp.readthedocs.io/en/release_0.2.9/… But I would definitely not recommend that, though you can add another known_host file
– AsTeR
Jul 17 '18 at 8:04
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What's the best way to convert a number to a string in JavaScript? [closed]
...n) is good for using in a functional style, e.g. with underscore's combine _.compose(funcThatNeedsAStringParam, String).
– Rik Martins
Apr 17 '17 at 14:21
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Set up adb on Mac OS X
... 'export PATH=$PATH:~/.android-sdk-macosx/platform-tools/' >> ~/.bash_profile
Refresh your bash profile (or restart your terminal app)
source ~/.bash_profile
Start using adb
adb devices
Option 3 - If you already have Android Studio installed
Add platform-tools to your path
echo 'exp...
Set transparent background using ImageMagick and commandline prompt
...an filtering: mogrify -format png -median 2 -fuzz 5% -transparent white ico_*.jpg
– Tomasz Gandor
Oct 23 '14 at 12:47
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