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jQuery Tips and Tricks
...nt and keeping a reference
var newDiv = $("<div />");
newDiv.attr("id", "myNewDiv").appendTo("body");
/* Now whenever I want to append the new div I created,
I can just reference it from the "newDiv" variable */
Checking if an element exists
if ($("#someDiv").length)
{
// It exi...
How can I create a “Please Wait, Loading…” animation using jQuery?
.../ajaxload.info
I'll be using
Let's create an element that we can show/hide anytime we're making an ajax request:
<div class="modal"><!-- Place at bottom of page --></div>
The CSS
Next let's give it some flair:
/* Start by setting display:none to make this hidden.
Then w...
Strip html from string Ruby on Rails
... html from a string using sanitize or equal method and keep only text inside value attribute on input tag?
6 Answers
...
Is there a function to deselect all text using JavaScript?
...election().removeAllRanges(); works in all current browsers. Live demo: jsfiddle.net/hWMJT/1
– Šime Vidas
Jul 3 '11 at 12:18
...
What Product Flavor does Android Studio build by default in build.gradle?
We have an Android project that uses the new Gradle build system, and we use Android Studio as a development tool. When there are several product flavors specified in build.gradle , we notice that Android Studio builds the first one specified alphabetically. Is there a way to tell Android Studio to...
Finding diff between current and last version
...to know the diff between head and any commit you can use:
git diff commit_id HEAD
And this will launch your visual diff tool (if configured):
git difftool HEAD^ HEAD
Since comparison to HEAD is default you can omit it (as pointed out by Orient):
git diff @^
git diff HEAD^
git diff commit_id
...
Popstate on page's load in Chrome
...
@ChadvonNau excellent idea, and it works a treat - thanks very much!
– sowasred2012
Mar 7 '13 at 12:55
...
Maven Snapshot Repository vs Release Repository
...ts
These are specific, point-in-time releases. Released artifacts are considered to be solid, stable, and perpetual in order to guarantee that builds which depend upon them are repeatable over time. Released JAR artifacts are associated with PGP signatures and checksums verify both the authenticity...
How does MongoDB sort records when no sort order is specified?
... for storage engines and MongoDB's API does not mandate predictability outside of an explicit sort() or the special case of fixed-sized capped collections which have associated usage restrictions. For typical workloads it is desirable for the storage engine to try to reuse available preallocated spa...
How are people unit testing with Entity Framework 6, should you bother?
...ion these are every bit as important.
There are a couple of things to consider:
Your database needs to be in a known state with each test. Most systems use either a backup or create scripts for this.
Each test must be repeatable
Each test must be atomic
There are two main approaches to setting ...