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Preventing Laravel adding multiple records to a pivot table
...ems()->where('foreign_key', $foreignKey)->count() Which, well, actually performs an additional query too '^^ But I don't need to fetch and hydrate the whole collection unless I really need it.
– Silence
May 24 '15 at 13:57
...
HTTP Content-Type Header and JSON
...n't care what it is. The browser just returns you the data from the AJAX call. If you want to parse it as JSON, you need to do that on your own.
The header is there so your app can detect what data was returned and how it should handle it. You need to look at the header, and if it's application/...
Can Vim highlight matching HTML tags like Notepad++?
...
@GregSexton you're officially an hero now ;)
– lucapette
Nov 23 '11 at 18:06
7
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No module named pkg_resources
...
Reported the bug to CentOS.org bugs.centos.org/view.php?id=14042
– rjt
Oct 20 '17 at 19:22
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Convert JS Object to form data
...
This function adds all data from object to FormData
ES6 version from @developer033:
function buildFormData(formData, data, parentKey) {
if (data && typeof data === 'object' && !(data instanceof Date) && !(data insta...
Why do Java webapps use .do extension? Where did it come from?
...oach will be described
below.
Prefix matching means that you want
all URLs that start (after the context
path part) with a particular value to
be passed to this servlet. Such an
entry might look like this:
<servlet-mapping>
<servlet-name>action</servlet-name>
...
Amazon S3 direct file upload from client browser - private key disclosure
...mazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me...
9...
Aspect Oriented Programming vs. Object-Oriented Programming
...ics need to be updated on screen. Assume to repaint the graphics you must call "Display.update()". The classical approach is to solve this by adding more code. At the end of each set method you write
void set...(...) {
:
:
Display.update();
}
If you have 3 set-methods, that is not a pro...
Differences between action and actionListener
...just specify exactly that string in the action attribute. Thus, this is totally clumsy:
<h:commandLink value="Go to next page" action="#{bean.goToNextpage}" />
With this senseless method returning a hardcoded string:
public String goToNextpage() {
return "nextpage";
}
Instead, just put t...
What is normalized UTF-8 all about?
....
Compatibility Normalization
Unicode also includes many characters that really do not belong, but were used in legacy character sets. Unicode added these to allow text in those character sets to be processed as Unicode, and then be converted back without loss.
Compatibility normalization converts t...