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How to comment lines in rails html.erb files? [duplicate]
...ors] %>
<%# if flash[:myErrors].any? %>
<%# if @post.id.nil? %>
<%# if @myPost!=-1 %>
<%# @post = @myPost %>
<%# else %>
<%# @post = Post.new %>
<%# end %>
<%# end %>
<%# end %>
...
prevent refresh of page when button inside form clicked
I have an issue while using buttons inside form. I want that button to call function. It does, but with unwanted result that it refresh the page.
...
Using NumberPicker Widget with Strings
Is there a way to use the Android NumberPicker widget for choosing strings instead of integers?
5 Answers
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Entity Framework select distinct name
...
The way that @alliswell showed is completely valid, and there's another way! :)
var result = EFContext.TestAddresses
.GroupBy(ta => ta.Name)
.Select(ta => ta.Key);
I hope it'll be useful to someone.
...
How to insert spaces/tabs in text using HTML/CSS
...
In cases wherein the width/height of the space is beyond &nbsp; I usually use:
For horizontal spacer:
<span style="display:inline-block; width: YOURWIDTH;"></span>
For vertical spacer:
<span style="display:block; height: YO...
Is gettimeofday() guaranteed to be of microsecond resolution?
...
From the Linux FAQ for lock_gettime (see David Schlosnagle's answer) "CLOCK_MONOTONIC...is frequency adjusted by NTP via adjtimex(). In the future (I'm still trying to get the patch in) there will be a CLOCK_MONOTONIC_RAW that will not be modified at all, and will have...
For loop example in MySQL
...
drop table if exists foo;
create table foo
(
id int unsigned not null auto_increment primary key,
val smallint unsigned not null default 0
)
engine=innodb;
drop procedure if exists load_foo_test_data;
delimiter #
create procedure load_foo_test_data()
begin
declare v_...
Text size and different android screen sizes
...nd how there suggesting for using dimens.xml for different devices of android for Example see Below structure :
res/values/dimens.xml
res/values-small/dimens.xml
res/values-normal/dimens.xml
res/values-large/dimens.xml
res/values-xlarge/dimens.xml
for Example you have used below dimens.xml in...
How to tell Maven to disregard SSL errors (and trusting all certs)?
...abled, a browser like check will be used.
-Dmaven.wagon.http.ssl.ignore.validity.dates=true - ignore issues with certificate dates.
Official documentation: http://maven.apache.org/wagon/wagon-providers/wagon-http/
Here's the oneliner for an easy copy-and-paste:
-Dmaven.wagon.http.ssl.insecure=tr...
Regex Named Groups in Java
...e active (with several outstanding bugs), and its GitHub fork could be considered instead.
jregex (See Brian Clozel's answer)
(Original answer: Jan 2009, with the next two links now broken)
You can not refer to named group, unless you code your own version of Regex...
That is precisely what Go...