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Iterating a JavaScript object's properties using jQuery
...em to the console with increasing indent:
function enumerate(o,s){
//if s isn't defined, set it to an empty string
s = typeof s !== 'undefined' ? s : "";
//iterate across o, passing keys as k and values as v
$.each(o, function(k,v){
//if v has nested depth
if(type...
Capture key press (or keydown) event on DIV element
... focus on start:
$(function() {
$('#mydiv').focus();
});
To remove - if you don't like it - the div focus border, set outline: none in the CSS.
See the table of keycodes for more keyCode possibilities.
All of the code assuming you use jQuery.
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Merge 2 arrays of objects
...
If you want to merge 2 arrays of objects in JavaScript. You can use this one line trick
Array.prototype.push.apply(arr1,arr2);
For Example
var arr1 = [{name: "lang", value: "English"},{name: "age", value: "18"}];
var arr...
What are paramorphisms?
...of the input and gives just the output value. It's not very efficient, but if you're interested in sheer expressivity, para gives you no more than foldr. If you use this foldr-encoded version of para, then safeTail will take linear time after all, copying the tail element by element.
So, that's it:...
Undo git update-index --skip-worktree
...
If you want to undo all files that was applied skip worktree, you can use the following command:
git ls-files -v | grep -i ^S | cut -c 3- | tr '\012' '\000' | xargs -0 git update-index --no-skip-worktree
git ls-files -v w...
What are the use(s) for tags in Go?
In the Go Language Specification , it mentions a brief overview of tags:
3 Answers
3...
What is the at sign (@) in a batch file and what does it do?
...ppend command arguments stored in a text file. The syntax is exe@commands (if I remember correctly)
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Disable migrations when running unit tests in Django 1.7
...ound, posted by Bernie Sumption to the Django developers mailing list:
If makemigrations has not yet been run, the "migrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests cal...
Passing just a type as a parameter in C#
...ColumnValue(string columnName, Type type)
{
// Here, you can check specific types, as needed:
if (type == typeof(int)) { // ...
This would be called like: int val = (int)GetColumnValue(columnName, typeof(int));
The other option would be to use generics:
T GetColumnValue<T>(string ...
How can I remove the outline around hyperlinks images?
...
Please note that the focus styles are there for a reason: if you decide to remove them, people who navigate via the keyboard only don't know what's in focus anymore, so you're hurting the accessibility of your website.
(Keeping them in place also helps power users that don't like t...