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Storing a Map using JPA
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@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...
Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
... a: 3
Enter b: 7
a + b as strings: 37
a + b as integers: 10
with:
a = raw_input("Enter a: ")
b = raw_input("Enter b: ")
print "a + b as strings: " + a + b # + everywhere is ok since all are strings
a = int(a)
b = int(b)
c = a + b
print "a + b as integers: ", c
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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
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How to urlencode data for curl command?
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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
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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
蜥秓鋖筷聝诿缰偺腶漷庯祩皙靊谪獜岨幻寤厎趆脘搇梄踥桻理戂溥欇渹裏軱骿苸髙骟市...
What is the difference between Reader and InputStream?
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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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