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What does “javascript:void(0)” mean?
...rator is often used merely
to obtain the undefined primitive
value, usually using “void(0)” (which
is equivalent to “void 0”). In these
cases, the global variable undefined
can be used instead (assuming it has
not been assigned to a non-default
value).
An explanation is provi...
Is embedding background image data into CSS as Base64 good or bad practice?
... without any of the style information until the download completes. For small images that you don't intend on changing often if ever it is a fine solution.
as far as generating the base64 encoding:
http://b64.io/
http://www.motobit.com/util/base64-decoder-encoder.asp (upload)
http://www.greywyve...
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>
...
jquery $(window).height() is returning the document height
...
With no doctype tag, Chrome reports the same value for both calls.
Adding a strict doctype like <!DOCTYPE html> causes the values to work as advertised.
The doctype tag must be the very first thing in your document. E.g., you can't have any text before it, even if it doesn't re...
How do you debug a regex? [closed]
...n other programming languages that also adhere to the PCRE standard (Perl, PHP, etc...).
(...)
Runs on Linux, Unix, Windows, Mac.
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Building a notification system [closed]
...══════╝
(Add time fields where you see fit)
This is basically for grouping changes per object, so that you could say "You have 3 friend requests". And grouping per actor is useful, so that you could say "User James Bond made changes in your bed". This also gives ability to translate...
What is the difference between POST and GET? [duplicate]
...f a new resource or the updates of existing resources or both.
So essentially GET is used to retrieve remote data, and POST is used to insert/update remote data.
HTTP/1.1 specification (RFC 2616) section 9 Method Definitions contains more information on GET and POST as well as the other HTTP met...
IIS7 Permissions Overview - ApplicationPoolIdentity
...
ApplicationPoolIdentity is actually the best practice to use in IIS7+. It is a dynamically created, unprivileged account. To add file system security for a particular application pool see IIS.net's "Application Pool Identities". The quick version:
If the ...
How is mime type of an uploaded file determined by browser?
...dden), and then if not found there, we defer to the system registry.
// Finally, we scan a secondary hard-coded list to catch types that we can
// deduce but that we also want to allow the OS to override.
The hard-coded lists come a bit earlier in the file: https://cs.chromium.org/chromium/src/net/...
Markdown and image alignment
...de a class name like so (PHP Markdown Extra):
{.callout}
or, alternatively (Maruku, Kramdown, Python Markdown):
{: .callout}
Then, of course, you can use a stylesheet the proper way:
.callout {
float: right;
}
If yours supports this syn...