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How to print third column to last column?
...
awk '{ print substr($0, index($0,$3)) }'
solution found here:
http://www.linuxquestions.org/questions/linux-newbie-8/awk-print-field-to-end-and-character-count-179078/
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How to define a function in ghci across multiple lines?
...e a pretty new feature. You may need to upgrade GHC.
Edit: confirmed, see http://www.haskell.org/ghc/docs/6.8.2/html/users_guide/release-6-8-2.html
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How can I get the ID of an element using jQuery?
...(function() {
console.log($('#test').attr('id'));
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="test"></div>
Or through the DOM:
$('#test').get(0).id;
or even :
$('#test')[0].id;
and reason behind usa...
Get spinner selected items text?
...t;?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<EditText android:layout_height="wrap_content"
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POST request via RestTemplate in JSON
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This technique worked for me:
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers);
ResponseEntity<String> response = restT...
How to push both value and key into PHP array
... on the usage of the union operator vs array_merge in the documentation at http://php.net/manual/en/function.array-merge.php.
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Rails DB Migration - How To Drop a Table?
... information about how to accomplish different tasks in a migration here:
http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
More specifically, you can see how to drop a table using the following approach:
drop_table :table_name
...
Cloning an Object in Node.js
...j1.x); // still logs 5
Source code of Node's _extend function is in here: https://github.com/joyent/node/blob/master/lib/util.js
exports._extend = function(origin, add) {
// Don't do anything if add isn't an object
if (!add || typeof add !== 'object') return origin;
var keys = Object.keys(ad...
Allow multiple roles to access controller action
...;
foreach (var role in this.UserProfilesRequired)
if (HttpContext.Current.User.IsInRole(role))
{
authorized = true;
break;
}
if (!authorized)
{
var url = new UrlHelper(context.RequestContext);
...
MySQL check if a table exists without throwing an exception
...ble_name = '[table name]';
Any results indicate the table exists.
From: http://www.electrictoolbox.com/check-if-mysql-table-exists/
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