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Many-to-many relationship with the same model in rails?
...d association, we are telling Rails that we can reach the other posts, the ones connected to this one, through our first association post_connections, followed by the post_b association of PostConnection.
There's just one more thing missing, and that is that we need to tell Rails that a PostConnect...
Why Java needs Serializable interface?
...ave to declare things serializable" agenda in mind. Its an example of some one wanting to free whell and not heed the security and design lessons that have already been learned in the past.
– gbtimmon
Jul 9 '12 at 17:30
...
How to prevent the activity from loading twice on pressing the button
...hread (i.e. UI Thread or Simply use async class). Once your processing is done hide that dialog. It is the best solution in my knowledge and I have used it several times...:)
– Awais Tariq
Nov 10 '11 at 12:51
...
Text overflow ellipsis on two lines
...ago – never mind how long precisely – having
little or no money in my purse, and nothing particular to interest me on
shore, I thought I would sail about a little and see the watery part of the
world. It is a way I have of driving off the spleen, and regulatin...
jQuery disable/enable submit button
... change event fires only when focus is moved away from the input (e.g. someone clicks off the input or tabs out of it). Try using keyup instead:
$(document).ready(function() {
$(':input[type="submit"]').prop('disabled', true);
$('input[type="text"]').keyup(function() {
if($(this)...
How to determine whether a given Linux is 32 bit or 64 bit?
...various values: see "What do the flags in /proc/cpuinfo mean?"
Among them, one is named lm: Long Mode (x86-64: amd64, also known as Intel 64, i.e. 64-bit capable)
lm ==> 64-bit processor
Or using lshw (as mentioned below by Rolf of Saxony), without sudo (just for grepping the cpu width):
lshw...
Failed to serialize the response in Web API with Json
...
@NH. You can absolutely use the aforementioned shenanigans, but everything has it's place. The "entities" provided by access to the Data Layer should typically stay in the Data Layer. Anything that wants to use this data within the Business Layer of the application...
Why does this CSS margin-top style not work?
...er separate them
both belong to vertically-adjacent box edges, i.e. form one of the following pairs:
top margin of a box and top margin of its first in-flow child
You can do any of the following to prevent the margin from collapsing:
Float either of your div elements
Make ...
Find if current time falls in a time range
...
The answer below should be the accepted one... This one doesn't check for TimeSpans over days, e.g. from 22:00:00 to 02:00:00...
– FranzHuber23
Nov 8 '17 at 20:36
...
What is the difference between Hibernate and Spring Data JPA
...nd it's intended for native querying, and if you only intend to use JDBC alone, then you are better off using Spring JDBC to deal with the JDBC verbosity.
Therefore, Hibernate and Spring Data are complementary rather than competitors.
...