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Detecting an undefined object property
...e: different from having a value of undefined) identifier without an early error:
if(typeof myVariable === 'undefined') {
alert('myVariable is either the special value `undefined`, or it has not been declared');
}
In versions of JavaScript prior to ECMAScript 5, the property named "undefined" o...
Is there a portable way to print a message from the C preprocessor?
...r versions - #warning is not going to be great, as warnings are treated as errors for us generally, and we'd really like the message to be informational, rather than stop the compilation.
– Danny S
Mar 23 '15 at 4:10
...
How can I convert an Integer to localized month name in Java?
I get an integer and I need to convert to a month names in various locales:
13 Answers
...
How to hide reference counts in VS2013?
Visual Studio 2013 introduced a new feature where it shows you how many times each of your methods are used.
5 Answers
...
MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid
...at was the culprit for me as well, I'm on a fresh Arch install and got the error while trying to run rescuetime. Fixing /etc/locale.gen and running locale-gen was all that was required.
– erb
Jan 15 '16 at 18:21
...
Reading in a JSON File Using Swift
...jsonData = NSData(contentsOfFile: path, options: .DataReadingMappedIfSafe, error: nil)
{
if let jsonResult: NSDictionary = NSJSONSerialization.JSONObjectWithData(jsonData, options: NSJSONReadingOptions.MutableContainers, error: nil) as? NSDictionary
{
if let persons :...
How to Select Every Row Where Column Value is NOT Distinct
...ss] must appear in the GROUP BY clause or be used in an aggregate function error. Is the only fix - editing the sql_mode?
– Volodymyr Bobyr
Jul 16 at 16:21
...
Examples of GoF Design Patterns in Java's core libraries
..., all the doXXX() methods by default sends a HTTP 405 "Method Not Allowed" error to the response. You're free to implement none or any of them.
Visitor (recognizeable by two different abstract/interface types which has methods defined which takes each the other abstract/interface type; the one actu...
Quick easy way to migrate SQLite3 to MySQL? [closed]
...
This does not work for a media wiki database. Many errors: Blobvar data type, back ticks in CREATE statement ...
– Frank Hintsch
Sep 10 '17 at 18:32
1
...
jQuery UI Sortable, then write order into a database
... .success(function(data) {
alert('saved');
})
.error(function(data) {
alert('Error: ' + data);
});
}
</script>
<ul id="sortable">
<?php
//my way to get all the articles, but you should of course use your own method.
$articles = Page::...