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Why does typeof array with objects return “object” and not “array”? [duplicate]
...index properties that may be inherited from its prototypes.
And here's a table for typeof
To add some background, there are two data types in JavaScript:
Primitive Data types - This includes null, undefined, string, boolean, number and object.
Derived data types/Special Objects - These incl...
Iterate over a Javascript associative array in sorted order
...ote: this does not work in very old browsers not supporting EcmaScript5, notably IE6, 7 and 8. For detailed up-to-date statistics, see this table)
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Session timeout in ASP.NET
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You can also read the documentation for event messages and the associated table of events.
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How To Set A JS object property name from a variable
...34+, Chrome 44+, Opera 31+, Safari 7.1+
(https://kangax.github.io/compat-table/es6/)
You can add support to older browsers by using a transpiler such as babel. It is easy to transpile an entire project if you are using a module bundler such as rollup or webpack.
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MySQL Database won't start in XAMPP Manager-osx
...l.err, if you find something like: "Attempted to open a previously opened tablespace. Previous tablespace ... uses space ID"
the following works for me:
edit file:
/Applications/XAMPP/xamppfiles/etc/my.cnf
find the [mysqld] section, add one line:
innodb_force_recovery = 1
then run
sudo /Appl...
jQuery: Test if checkbox is NOT checked
...input[id*="chkPrint"]:not(:checked)').length > 0)
In my case, I had a table with a class user-forms, and I was checking if any of the checkboxes that had the string checkPrint in their id were unchecked.
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What is the significance of #pragma marks? Why do we need #pragma marks?
...ethods according to the work they do. For example, you tagged some tag for Table View Protocol Methods, AlertView Methods, Init Methods, Declaration etc.
#pragma mark is the facility for XCode but it has no impact on your code. It merely helps to make it easier to find methods while coding.
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Merging dictionaries in C#
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Dictionary<String, String> allTables = new Dictionary<String, String>();
allTables = tables1.Union(tables2).ToDictionary(pair => pair.Key, pair => pair.Value);
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Build a Basic Python Iterator
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Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__().
The __iter__ returns the iterator object and is implicitly called
at the start of loops.
The __next__() method returns the next value and is implicitly cal...
Using an integer as a key in an associative array in JavaScript
...code is meant to be interpreted locally or the ECMAScript 6 compatibility table looks green enough for your purposes, consider using a Map:
var test = new Map();
test.set(2300, 'Some string');
console.log(test.get(2300));
// Output: 'Some string'
No type conversion is performed, for better and for...