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Difference between DOMContentLoaded and load events
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Fyi, the same MDN link [now] also says: "Note: Stylesheet loads block script execution, so if you have a <script> after a <link rel="stylesheet" ...>, the page will not finish parsing - and DOMContentLoaded will not fire - until the styl...
How to send a GET request from PHP?
...ng is just part of the string. There's no reason a server would ignore it. Now, obviously, file_get_contents doesn't let you make the request with custom cookies, headers, and other things that a browser would typically send, so you might not get the response you were looking for. In that case, you'...
Hidden features of mod_rewrite
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Dude, totally the best article on the internet now on mod rewrite. I hate that thing. Im a lighttpd heretic because of how much i hate mod_rewrite.
– Kent Fredric
Nov 13 '08 at 1:20
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Android - how do I investigate an ANR?
... further GUI events in the application, and thus throws up an ANR dialog.
Now, in the trace you posted, the main thread seems to be doing fine, there is no problem. It is idling in the MessageQueue, waiting for another message to come in. In your case the ANR was likely a longer operation, rather t...
push_back vs emplace_back
...lue_type it takes a variadic list of arguments, so that means that you can now perfectly forward the arguments and construct directly an object into a container without a temporary at all.
That's useful because no matter how much cleverness RVO and move semantic bring to the table there is still c...
Difference between Hive internal tables and external tables?
...ll me the difference between Hive's external table and internal tables.
I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables.
Can anyone explain me in terms of nodes pleas...
Should I use the Reply-To header when sending emails as a service to others?
... have to forward it, but you can always add a hidden multipart. Everybody knows how to forward to another address.
– Aridane Álamo
Dec 13 '16 at 16:47
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In JavaScript, does it make a difference if I call a function with parentheses?
...they can be passed around exactly as if we were passing around values.
So now to the difference of assignment:
var operator = 3;
var operand = 4;
var ret = Multiply(operator, operand);
At the point of defining the ret variable, Multiply is executed and the return value is assigned - ret becomes ...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...ou're on 9.5 and don't need to be backward-compatible you can stop reading now.
9.4 and older:
PostgreSQL doesn't have any built-in UPSERT (or MERGE) facility, and doing it efficiently in the face of concurrent use is very difficult.
This article discusses the problem in useful detail.
In general y...
TypeScript static classes
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I have an use-case for having static classes. Right now, I have a class that only contains static methods. In the project we need to provide some sort of configuration for each class that can be instantiated. Declaring such class as static would not only help me notice that it...