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How to add new elements to an array?
...your code you're accessing a null reference. That's why it doesnt work. In order to have a
dynamically growing collection, use the ArrayList.
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Foreign keys in mongo?
...39ae90592692ccc9940"), "group" : "phones" }
You can use that ObjectId in order to do relations between documents.
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
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How do I enable EF migrations for multiple contexts to separate databases?
... this helped me! complete instructions with all the options and order. saved me hours
– elcool
Sep 8 '15 at 6:21
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What is the proper REST response code for a valid request but an empty data?
...y formatted HTTP request (for instance malformed http headers, incorrectly ordered segments, etc). This will almost certainly be handled by whatever framework you're using. You shouldn't have to deal with this unless you're writing your own server from scratch. Edit: Newer RFCs now allow for 400 to ...
Default argument values in JavaScript functions [duplicate]
...possible to assign a param the falsy value passed as the argument.
So, in order to handle only undefined values explicitly, the preferred approach would be,
function C(a, b) {
a = typeof a === 'undefined' ? DEFAULT_VALUE_A : a;
b = typeof b === 'undefined' ? DEFAULT_VALUE_B : b;
}
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UITapGestureRecognizer - single tap and double tap
... I just needed to add tapCount=0 on each handler (singleTap, doubleTap) in order to be sure that following touches are recognized as well.
– Sirio
Aug 20 '16 at 14:31
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Protecting executable from reverse engineering?
...erse-engineering. After all, the computer has to be able to decipher it in order to run it, and a human is simply a slower computer.
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Why use JUnit for testing?
...ond pair of eyes will have to converse with original author of the code in order to fully understand the code in question. Conversation as a means of sharing knowledge is notoriously unreliable. A point which is moot if the Original Coder is unavailable to the new pair eyes. In that instance the ne...
How can I make my own event in C#?
...n
now lets create Event that fired when a function is called
but I my order of solving this problem like this: I'm using the class before I create it
the place responsible for responding to the Event
NetLog.OnMessageFired += delegate(object o, MessageEventArgs args)
{
// when the E...