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Which is a better way to check if an array has more than one element?
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@AlixAxel oh ok... wow thanks, didn't know that :o... In any case I'm just gonna leave it there in case OP wants to differentiate between a String and Array (regardless of size) Thanks for pointing that out :)
– Andreas Wong
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How to scale a UIImageView proportionally?
... For anyone having the same problem in Swift: ScaleAspectFit is now an enum UIViewContentMode, so you would set imageView.contentMode = UIViewContentMode.ScaleAspectFit. Note the period.
– sudo make install
Feb 14 '15 at 10:28
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How to check if the URL contains a given string?
...gex way:
var matches = !!location.href.match(/franky/); //a boolean value now
Or in a simple statement you could use:
if (location.href.match(/franky/)) {
I use this to test whether the website is running locally or on a server:
location.href.match(/(192.168|localhost).*:1337/)
This checks...
Putting an if-elif-else statement on one line?
...gt;> a = "Hello" if foo() else "Goodbye"
Edit:
Your revised question now shows that the three statements are identical except for the value being assigned. In that case, a chained ternary operator does work, but I still think that it's less readable:
>>> i=100
>>> a = 1 if i...
In which language are the Java compiler and JVM written?
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@devdimi the link is broken and now resides at: stroustrup.com/applications.html
– flup
Jul 13 '13 at 11:25
1
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How to filter rows in pandas by regex
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It may be a bit late, but this is now easier to do in Pandas by calling Series.str.match. The docs explain the difference between match, fullmatch and contains.
Note that in order to use the results for indexing, set the na=False argument (or True if you want...
PHP “pretty print” json_encode [duplicate]
I'm working on a script that creates a JSON file. Right now I'm just using json_encode (PHP 5.2.x) to encode an array into JSON output. Then I print the returned value to a file and save it. Problem is that the client wants to be able to open these JSON files for readability, so I'd like to add li...
Print content of JavaScript object? [duplicate]
... (var p in o) {
out += p + ': ' + o[p] + '\n';
}
alert(out);
}
// now test it:
var myObject = {'something': 1, 'other thing': 2};
printObject(myObject);
Using a DOM inspection tool is preferable because it allows you to dig under the properties that are objects themselves. Firefox has Fir...
C# equivalent of the IsNull() function in SQL Server
... function to check if a value is null, and if it is, return another value. Now I am wondering if there is anything similar in C#.
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What is (functional) reactive programming?
...Keep deconstructing into pieces that are more general/simple.
So that you know you're on solid ground, give the whole model a compositional foundation, using the technique of denotational semantics, which just means that (a) each type has a corresponding simple & precise mathematical type of "me...