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How to set a default entity property value with Hibernate
...
what about just setting a default value for the field?
private String _foo = "default";
//property here
public String Foo
if they pass a value, then it will be overwritten, otherwise, you have a default.
share
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Find a value in an array of objects in Javascript [duplicate]
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array.find(x => x.name === 'string 1')
http://exploringjs.com/es6/ch_arrays.html#_searching-for-array-elements
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/find
To then replace said object (and use another cool ES6 method fill) you could do something li...
Hidden features of Ruby
...ch means Proc objects can be used in case statements like so:
def multiple_of(factor)
Proc.new{|product| product.modulo(factor).zero?}
end
case number
when multiple_of(3)
puts "Multiple of 3"
when multiple_of(7)
puts "Multiple of 7"
end
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Using .sort with PyMongo
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If it is only one field, it can be .sort("_id", 1)
– Haris Np
Mar 15 '18 at 11:51
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...rks.. so I am guessing you dont need .NET 4.5
– alpha_989
Mar 9 '18 at 18:17
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How do I get an ISO 8601 date on iOS?
...];
NSLocale *enUSPOSIXLocale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
[dateFormatter setLocale:enUSPOSIXLocale];
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"];
[dateFormatter setCalendar:[NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian]];
NSDate *now ...
How to log something in Rails in an independent log file?
...t like the usual Rails logger:
class User < ActiveRecord::Base
def my_logger
@@my_logger ||= Logger.new("#{Rails.root}/log/my.log")
end
def before_save
my_logger.info("Creating user with name #{self.name}")
end
end
Here I used a class attribute to memoize the logger. This way ...
How to temporarily exit Vim and go back
...he following command within vim to access the relevant help page: :help usr_21
To give you a brief summary, here are the different methods of quitting and returning with your session intact:
Suspend and resume - You don't actually quit Vim with this; you simply hide your session in the background...
How can I generate an MD5 hash?
... Better yet, where possible use yourString.getBytes(StandardCharsets.UTF_8). This prevents handling an UnsupportedEncodingException.
– Hummeling Engineering BV
Mar 7 '19 at 10:28
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Running a Python script from PHP
...ntu Server 10.04. I hope it helps you also on Arch Linux.
In PHP use shell_exec function:
Execute command via shell and return the complete output as a string.
It returns the output from the executed command or NULL if an error
occurred or the command produces no output.
<?php
$co...