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How to check for the type of a template parameter?
...::value) { /* ... */ } // optimizable...
}
Usually, that's a totally unworkable design, though, and you really want to specialize:
template <typename T> void foo() { /* generic implementation */ }
template <> void foo<animal>() { /* specific for T = animal */ }
Note also ...
How to Get a Layout Inflater Given a Context?
...
This is the only method that worked for me. Every other one that I've tried so far threw an exception.
– num1
Mar 12 '11 at 0:21
4
...
Check if application is on its first run [duplicate]
...er installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
...
Private properties in JavaScript ES6 classes
...th babel 7 and stage 3 preset.
class Something {
#property;
constructor(){
this.#property = "test";
}
#privateMethod() {
return 'hello world';
}
getPrivateMessage() {
return this.#privateMethod();
}
}
const instance = new Something();
console.log(instance.property); ...
In Perl, how can I read an entire file into a string?
...
Add:
local $/;
before reading from the file handle. See How can I read in an entire file all at once?, or
$ perldoc -q "entire file"
See Variables related to filehandles in perldoc perlvar and perldoc -f local.
Incidentally, if you can put...
Using ZXing to create an Android barcode scanning app [duplicate]
I've been searching for how to add a barcode scanner to my app. Are there any examples or how can I do this easily?
7 Answe...
What does @@variable mean in Ruby?
...en the classes; setting the value in an instance of one changes the value for all other instances of that class and even child classes, where a variable named @shared, with one @, would not be.
[Update]
As Phrogz mentions in the comments, it's a common idiom in Ruby to track class-level data with ...
Finding a substring within a list in Python [duplicate]
...
print [s for s in list if sub in s]
If you want them separated by newlines:
print "\n".join(s for s in list if sub in s)
Full example, with case insensitivity:
mylist = ['abc123', 'def456', 'ghi789', 'ABC987', 'aBc654']
sub = 'ab...
Sharing Test code in Maven
... type instead of classifier (see also: classifier). It tells Maven a bit more explicitly what you are doing (and I've found that m2eclipse and q4e both like it better).
<dependency>
<groupId>com.myco.app</groupId>
<artifactId>foo</artifactId>
<version>1.0-...
Custom CSS Scrollbar for Firefox
...m/a/54101063/405015
https://stackoverflow.com/a/53739309/405015
And this for background info: https://bugzilla.mozilla.org/show_bug.cgi?id=1460109
There's no Firefox equivalent to ::-webkit-scrollbar and friends.
You'll have to stick with JavaScript.
Plenty of people would like this feature, see: ...