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C/C++ macro string concatenation
Is it possible to concatenate have STR3 == "s1"?
You can do this by passing args to another Macro function. But is there a direct way?
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Generic Repository With EF 4.1 what is the point
...in to the DbContext, DbSet and associated interfaces, I am wondering why you would need to implement a separate "Generic" Repository around these implementations?
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Why is 'false' used after this simple addEventListener function?
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According to MDN Web Docs, the third parameter is:
useCapture
If true, useCapture indicates that the user wishes to
initiate capture. After initiating
capture, all events of the specified
type will be dispatched to the
registered listener before being
dispatched t...
How can I save an image to the camera roll?
I am new to Xcode (using 4.3) and am not sure how to save an image to the device's camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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How can I see all the issues I'm watching on Github?
Github has a great feature where you can "watch" an issue. This is handy for getting notifications about progress on that issue.
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How to declare a global variable in a .js file
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Just define your variables in global.js outside a function scope:
// global.js
var global1 = "I'm a global!";
var global2 = "So am I!";
// other js-file
function testGlobal () {
alert(global1);
}
To make sure that this...
What is the difference between __dirname and ./ in node.js?
... Node.js and referencing files that are located somewhere in relation to your current directory, is there any reason to use the __dirname variable instead of just a regular ./ ? I've been using ./ thus far in my code and just discovered the existence of __dirname , and essentially want to know w...
What does “Mass Assignment” mean in Laravel?
When I went through Laravel Document about Eloquent ORM topic part, I got a new term Mass Assignment .
4 Answers
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What should I use Android AccountManager for?
I've seen AccountManager in the Android SDK and that it is used for storing account information. Thus, I cannot find any general discussion of what it is intended for. Does anyone know of any helpful discussions of what the intention behind AccountManager is and what it buys you? Any opinions of wha...
Best way to create an empty map in Java
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1) If the Map can be immutable:
Collections.emptyMap()
// or, in some cases:
Collections.<String, String>emptyMap()
You'll have to use the latter sometimes when the compiler cannot automatically figure out what kind of Map is needed (this ...