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Why does typeof array with objects return “object” and not “array”? [duplicate]
... treatment to a certain class of property names. A property name P (in the form of a String value) is an array index if and only if ToString(ToUint32(P)) is equal to P and ToUint32(P) is not equal to 2^32-1. A property whose property name is an array index is also called an element. Every Array obje...
Make browser window blink in task Bar
...ill blink on and off until they move the mouse. This should work cross platform, and even if they just have it in a different tab.
newExcitingAlerts = (function () {
var oldTitle = document.title;
var msg = "New!";
var timeoutId;
var blink = function() { document.title = document.ti...
Nullable type as a generic parameter possible?
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Personal preference, but you can use the short form T? instead of Nullable<T>
– Dunc
Sep 9 '10 at 15:04
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Can two Java methods have same name with different return types? [duplicate]
...name, the same type parameters (if any) (§8.4.4), and, after adapting the formal parameter types of N to the the type parameters of M, the same formal parameter types.
If both methods has different parameter types (so, they have different signature), then it is possible. It is called overloading....
How do I send a POST request as a JSON?
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If you don't specify the header, it will be the default application/x-www-form-urlencoded type.
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Maximum value for long integer
...here is no explicitly defined limit. The amount of available address space forms a practical limit.
(Taken from this site). See the docs on Numeric Types where you'll see that Long integers have unlimited precision. In Python 2, Integers will automatically switch to longs when they grow beyond their...
Specifying rails version to use when creating a new application
...N = '2.1.2' unless defined? RAILS_GEM_VERSION
or use the "rails" command form the version you want anyway.
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MySQL - UPDATE query based on SELECT Query
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The first form (update with join) is going to be a lot more efficient than the second. The first would do a single join, whereas the second would execute the select query for every row of tableA.
– ColinM
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How can I detect if the user is on localhost in PHP?
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Yeah, this is bad advice and in its current form and needs to be edited - or downvoted.
– Pekka
Aug 3 '13 at 8:40
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Getting SyntaxError for print with keyword argument end=' '
...sion 2.xx.xx. Thank you so much, I applied the suggestion to put it in the form of print "foo" %bar, and it worked perfectly fine.
– Mehrad
May 5 '14 at 23:20
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