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Convert Python dictionary to JSON array
...sr/lib/python2.7/json/decoder.py", line 365, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python2.7/json/decoder.py", line 381, in raw_decode
obj, end = self.scan_once(s, idx)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start...
Storing a Map using JPA
...
@ElementCollection(fetch = FetchType.LAZY)
@CollectionTable(name = "raw_events_custom", joinColumns = @JoinColumn(name = "raw_event_id"))
@MapKeyColumn(name = "field_key", length = 50)
@Column(name = "field_val", length = 100)
@BatchSize(size = 20)
private Map<String, String>...
Best way to check if object exists in Entity Framework?
...h I also sorted and trimmed to keep its length manageable).
Note that the raw data was a CSV file that contained many individual records that had to be parsed. The records in each consecutive file (which came at a rate of about 1 every 5 minutes) overlapped considerably, hence the high percentage ...
Vagrant ssh authentication failure
... vagrant@localhost -p 2222
then copy the public key content from https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/vagrant.pub to the authorised_keys file with the following command
echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFH...
How do I write a “tab” in Python?
... It just moves the text over by a default number of spaces. Maybe you can draw in characters what you want to appear. Is it --> ?
– Rick Henderson
May 20 '16 at 15:29
...
How to urlencode data for curl command?
...
Here is the pure BASH answer.
rawurlencode() {
local string="${1}"
local strlen=${#string}
local encoded=""
local pos c o
for (( pos=0 ; pos<strlen ; pos++ )); do
c=${string:$pos:1}
case "$c" in
[-_.~a-zA-Z0-9] ) o="${c}" ;...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...
Uninstall homebrew:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"
Then reinstall
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Warning: This script will remove: /Library/Caches/Hom...
Twitter image encoding challenge [closed]
...ssion time
Very efficient information packing
http://caca.zoy.org/raw-attachment/wiki/img2twit/so-logo.png
http://caca.zoy.org/raw-attachment/wiki/img2twit/twitter4.png
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What is the difference between Reader and InputStream?
...
An InputStream is the raw method of getting information from a resource. It grabs the data byte by byte without performing any kind of translation. If you are reading image data, or any binary file, this is the stream to use.
A Reader is design...
Java: Difference between PrintStream and PrintWriter
...ns between PrintStream and PrintWriter are that a PrintWriter cannot write raw bytes and the two classes wrap different types of destinations.
– Ted Hopp
May 9 '13 at 3:47
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