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python: how to identify if a variable is an array or a scalar
... ah, it's a tuple on the right, not a list, got it, thanks and it works now. I regret, I can't upvote 2 times - the best solution so far :)
– Oleg Gryb
Jun 12 '14 at 17:42
...
Programmatically scroll a UIScrollView
... flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing so that I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll?
...
How to persist a property of type List in JPA?
...tring) {
return Arrays.asList(string.split(SPLIT_CHAR));
}
}
Now use it on your Entities like this:
@Convert(converter = StringListConverter.class)
private List<String> yourList;
In the database your list will be stored as foo;bar;foobar and in your Java object you will get a ...
What's the fastest way to convert String to Number in JavaScript?
...
There are 4 ways to do it as far as I know.
Number(x);
parseInt(x, 10);
parseFloat(x);
+x;
By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it ma...
How does one reorder columns in a data frame?
... @user4050: you can also use df[,c(1,3,2,4:ncol(df))] when you don't know how many columns there are.
– arekolek
Mar 15 '16 at 14:28
1
...
Why is it bad practice to call System.gc()?
...n; any that rely on it for performance are most likely broken.
You don't know what sort of garbage collector you are running under. There are certainly some that do not "stop the world" as you assert, but some JVMs aren't that smart or for various reasons (perhaps they are on a phone?) don't do it...
javac not working in windows command prompt
... of checking, execute:
echo %path%
from your command prompt and let us know what it is.
Otherwise, make sure there is a javac in that directory by trying:
"c:\program files\java\jdk1.6.0_16\bin\javac.exe"
from the command prompt. You can also tell which executable (if any) is being used with ...
How to disable python warnings
...s warnings section of the python docs?
If you are using code that you know will raise a warning, such as a deprecated function, but do not want to see the warning, then it is possible to suppress the warning using the catch_warnings context manager:
import warnings
def fxn():
warnings.war...
Are custom elements valid HTML5?
...mitted in HTML5. This confirms Alochi's circular argument observation. 2) Nowhere does the spec say that custom elements are not permitted.
– d13
Mar 24 '12 at 9:59
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Is there a standard naming convention for git tags? [closed]
... This answer is done when existed old semver (version 1.0). Nowadays the prefix 'v' removed from semver v2.0. For details see post below.
– vitalii
May 19 '15 at 9:17
...